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SAM2695 Datasheet

1. 41 SAM2695 8 APPENDIX 8 1 INSTRUMENTS REQUIRING 2 VOICES 2 LAYER INSTRUMENT PC Name 4 Honky tonk Piano 5 El Piano 1 6 El Piano 2 9 Celesta 10 Glockenspiel 11 Music Box 15 Tubular Bells 19 Rock Organ 20 Church Organ 22 Accordion french 24 Tango Accordion 31 Distortion Guitar 37 Slap Bass 1 40 Synth Bass 2 52 Synth Strings 2 54 Voice Oohs 55 Synth Voice 56 Orchestra Hit 61 French Horn 63 Synth Brass 1 64 Synth Brass 2 73 Piccolo 77 Blown Bottle 78 Shakuhachi 79 Whistle 80 Ocarina 81 Lead 1 square wave 82 Lead 2 saw wave 83 Lead 3 calliope 84 Lead 4 chiff 85 Lead 5 charang 86 Lead 6 voice 87 Lead 7 fifths 88 Lead8 bass lead 89 Pad 1 new age 91 Pad 3 polysynth 92 Pad 4 choir 93 Pad 5 bowed 94 Pad 6 metallic 95 Pad 7 halo 97 FX 1 rain 98 FX 2 soundtrack 99 FX 3 crystal 100 FX4 atmosphere 101 FX 5 brightness 102 FX 6 goblins 104 FX 8 sci fi 113 Tinkle Bell 115 Steel Drums 118 Melodic Tom 127 Applause 42 SAM2695 8 2 SIGNAL PROCESSING SYNOPTIC Main out echo reverb chorus MIDI EQ 3D Output Mono bus Stereo bus Echo Reverb Chorus Mike Output Selector 8 3 SPATIAL EFFECT BLOCK DIAGRAM Delay Volume Nrpn 3720h Delay Nrpn 372Ch Lef
2. 59 B3 Ride Cymbal 2 60 C4 Hi Bongo 61 C 4 Low Bongo 62 D4 Mute Hi Conga 63 D 4 Open Hi Conga 64 E4 Low Conga 65 F4 High Timbale 66 F 4 Low Timbale 67 G4 High Agogo 68 G 4 Low Agogo 69 A4 Cabasa 70 A 4 Maracas 71 B4 Short Whistle EXC2 72 C5 Long Whistle EXC2 73 C 5 Short Guiro EXC3 Vibra Slap 74 D5 Long Guiro EXC3 75 D 5 Claves Claves 76 E5 Hi Wood Block 77 F5 Low Wood Block 78 F 5 Mute Cuica EXC4 79 G5 Open Cuica EXC4 80 G 5 Mute Triangle EXC5 81 A5 Open Triangle EXC5 82 A 5 Applauses 83 B5 To be continued 33 SAM2695 Continued Prog 1 STANDARD SET Prog 17 POWER SET Prog 41 BRUSH Prog 49 ORCHESTRA Prog 127 CM 64 32 Partial 84 C6 85 C 6 86 D6 87 D 6 88 E6 Applauses 89 F6 90 f 6 91 G6 92 G 6 93 A6 94 A 6 Helicopter 95 B6 96 C7 Gun Shot 97 C 7 98 D7 99 D 7 100 E7 101 F7 102 F 7 Birds 103 G7 104 g 7 105 A7 106 A 7 SeaShore Notes No sound Blank Same sound as Standard Set EXC Sounds with same EXC number are mutually exclusive 34 SAM2695 5 NRPN 0375Fh Effect on off Polyphony selection Midi message code in hexadecimal B0h 63h 37h B0h 62h 5Fh B0h 06h vv
3. ECHM_LEFT Data byte0 7Fh 7Fh Master Echo volume left 3730h ECHS1_RIGHT Data byte0 7Fh 00h Slave1 Echo volume right 3731h ECHS1_LEFT Data byte0 7Fh 00h Slave1 Echo volume left 3732h ECHS2_RIGHT Data byte0 7Fh 00h Slave2 Echo volume right 3733h ECHS2_LEFT Data byte0 7Fh 00h Slave2 Echo volume left ECH_xxx Controls for echo applied on Mike input ECH_LEV 0 to 07Fh Default 7Fh ECH_TIM 0 shortest to 7Fh longest default 2Bh ECH_FEED 0 no feedback 7Fh maximum feedback default 42h ECHx_LEFT ECHx_RIGHT Pan Controls for echo Default setting of Echo is a stereophonic triple echo echo is heard successively in left speaker then center then right speaker These controls allow to change stereophonic position of each of the 3 echos left right and center For example for having only a monophonic echo located in center send ECHS1_RIGHT 0 ECHS1_LEFT 0 supress slave1 echo ECHS2_RIGHT 0 ECHS2_LEFT 0 supress slave2 echo ECHM_RIGHT 7Fh ECHM_LEFT 7Fh main echo to maximum volume See also appendix 8 4 for details 18 SAM2695 EQUALIZER DEVICE NRPN High Low CONTROL NAME Parameters Data Action 3700h EQ_LB Level byte 0 7Fh 60h Equalizer low band 3701h EQ_MLB Level byte 0 7Fh 40h Equalizer med low band 3702h EQ_MHB Level byte 0 7Fh 40h Equalizer med high band 3703h EQ_HB Level byte 0 7Fh 60h Equalizer high band 3708h EQF_LB Data byte 0 7Fh 0Ch Eq
4. Each bit of vv byte is used for selecting an effect ON or OFF as following 7 6 5 4 3 2 1 0 0 ECH REV CHR OM MIC EQ2 EQ1 Each time an effect is ON polyphony will be decreased In some configurations polyphony is decreased by 1 for reason of internal mixing REV bit 1 Reverb ON polyphony decreased by 13 CHR bit 1 Chorus ON polyphony decreased by 3 MIC bit 1 Mike ON polyphony decreased by 1 ECH bit 1 Mike Echo ON polyphony decreased by 3 OM bit output mode select OM 0 Spatial effect OFF OM 1 Spatial effect ON polyphony decreased by 1 Spatial effect parameters can be controlled using NRPN 3720h volume 372Ch delay time and 372Dh stereo mono See paragraph 2 1 EQ2 EQ1 bits Equalizer EQ2 0 EQ1 0 equalizer off EQ2 1 EQ1 0 2 band equalizer polyphony decreased by 4 EQ2 1 EQ1 1 4 band equalizer polyphony decreased by 8 35 SAM2695 The table below shows some possible NRPN 375F values with their impacts on polyphony NRPN 375F vv REV CH R Spatia l Effect EQ MI C ECH POL Y Comment 0000 0000 00h 0000 0010 02h 0000 0011 03h OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF 2 Band 4 Band OFF OFF OFF OFF OFF OFF 64 59 55 Max Poly 64 0000 1000 08h 0000 1010 0Ah 0000 1011 0Bh OFF OFF OFF OFF OFF OFF ON ON ON OFF 2 Band 4 Band OFF OFF OFF OFF OFF OFF 62 58 54 0000 1110 0Eh
5. OFF OFF ON 2 Band ON OFF 57 0010 0000 20h 0010 0010 22h 0010 0011 23h ON ON ON OFF OFF OFF OFF OFF OFF OFF 2 Band 4 Band OFF OFF OFF OFF OFF OFF 50 46 42 0010 1000 28h 0010 1010 2Ah 0010 1011 2Bh ON ON ON OFF OFF OFF ON ON ON OFF 2 Band 4 Band OFF OFF OFF OFF OFF OFF 49 45 41 0011 0000 30h 0011 0011 33h ON ON ON ON OFF OFF OFF 4 Band OFF OFF OFF OFF 48 39 0011 0111 37h ON ON OFF 4 Band ON OFF 38 0011 1011 3Bh ON ON ON 4 Band OFF OFF 38 Default 0100 0101 45h ON ON ON 4 Band OFF OFF 38 Reset All 0100 1110 4Eh OFF OFF ON 2 Band ON ON 55 0111 0100 74h 0111 0110 76h 0111 0111 77h ON ON ON ON ON ON OFF OFF OFF OFF 2 Band 4 Band ON ON ON ON ON ON 44 40 36 0111 1110 7Eh 0111 1111 7Fh ON ON ON ON ON ON 2 Band 4 Band ON ON ON ON 39 35 Important note For compatibility with SAM2195 value 45h is reserved for reset all Sending 45h is restoring the power up status Reverb Chorus ON Spatial Effect OFF 4 Band EQ Mike Echo OFF and re initializing all midi parameters to default The firmware will be stopped during reset procedure about 50 ms before being ready again to receive MIDI messages 36 SAM2695 6 CODEC CONTROL SYSTEM EXCLUSIVE A system exclusive is implemented for writing a 16 bi
6. SAM2695 LOW POWER SINGLE CHIP SYNTHESIZER WITH EFFECTS AND BUILT IN CODEC Single chip all in one design o MIDI control processor serial and parallel interface o Synthesis General MIDI wavetable implementation o General MIDI compatible effects reverb chorus o Spatial Effect o 4 band stereo equalizer o Stereo DAC DR 86dB typ THD N 75dB typ o Mike input DR 86dB typ THD N 75dB typ o Mike echo State of the art synthesis for best quality price products o 64 voice polyphony without effects o 38 voice polyphony effects o On chip CleanWave wavetable data firmware RAM delay lines Audio stereo line output Typical applications battery operated musical keyboards portable phones karaokes QFN48 6 x 6mm package small footprint small pin count Low power o 18 mA typ Operating 17 A typ Power down o Single 3 3V power supply MIDI IN Audio Out Typical hardware configuration SAM2695 Parallel MIDI Cited trademarks belong to their respective owners General MIDI logo under license of MIDI Manufacturers Association 2013 2014 DREAM S A S FRANCE All rights reserved 2 SAM2695 1 PIN DESCRIPTION 1 1 PINS BY FUNCTION 48 lead QFN Package 5VT indicates a 5 volt tolerant Input or I O pin DR4 DR8 indicates driving capability at VOL VOH see 4 D C CHARACTERISTICS Power supply group Pin name Pin Type Description GND 9 13 18 25 36 45 48
7. 00h 3732h Slave2 Echo volume right 0 to7Fh see appendix 00h 3733h Slave2 Echo volume left 0 to7Fh see appendix 00h 16 SAM2695 3734h Master Echo volume right 0 to7Fh see appendix 7Fh 3735h Master Echo volume left 0 to7Fh see appendix 7Fh 3751h Auto test See section 7 3757h System Exclusive Device ID 0 to 1Fh 20h all accepted 20h 375Fh Effect ON OFF Polyphony Select See section 5 Notes 1 Post effects are Spatial Effect Equalizer 2 See Block diagram in Appendix SPECIAL MIDI MESSAGES DETAILS SYSTEM MESSAGES NRPN High Low CONTROL NAME Parameters Data Action 3707h MASTER_VOL Data byte 0 7Fh 7Fh Master volume MASTER_VOL Master volume Data range 0 7Fh Default 7Fh MIDI MESSAGES NRPN High Low CONTROL NAME Parameters Data Action 3722h GM_VOL Data byte 0 7Fh 7Fh General MIDI volume 3723h GM_PAN Data byte 0 7Fh 40h General MIDI pan GM_VOL Range 0 7Fh linear scale Default value GM_VOL 07Fh GM_PAN 0 hard left 40h center 7Fh hard right Same as GM system exclusive message 40h 00h 06h Default value GM_PAN 40h SPATIAL EFFECT DEVICE See Block diagram in Appendix NRPN High Low CONTROL NAME Parameters Data Action 3720h SUR_VOL Data byte 0 7Fh 0 Spatial Effect volume 372Ch SUR_DEL Data byte 0 7Fh 1Dh Spatial Effect delay 372Dh SUR_INP Data byte 0 7Fh 0 Input mono stereo select for Spat
8. 00h 0 40h 63 7Fh cents This SYSEX allows non chromatic tuning of the musical scale on a given MIDI channel Default v1 v2 v12 40h 40h 40h chromatic tuning Scale tuning has no effect if the part is assigned to a rhythm channel or if the sound played is not of chromatic type GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 1Ah vv xx F7h Velocity slope from 00h to 7Fh default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 1Bh vv xx F7h Velocity offset from 00h to 7Fh default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 1Fh vv xx F7h CC1 Controller number 00 5Fh default 10h GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 20h vv xx F7h CC2 Controller number 00 5Fh default 11h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 00h vv xx F7h Mod pitch control 24 24 semitone default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 01h vv xx F7h Mod tvf cutoff control default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 02h vv xx F7h Mod Amplitude control 100 100 default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 03h vv xx F7h Mod lfo1 rate control default 40h n is don t care Rate is common on all channels GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 04h vv xx F7h Mod lfo1 pitch depth 0 600 cents default 0Ah GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 05h vv xx F7h Mod lfo1 tvf depth default 00h GS 29 SAM2695 MIDI MESSAGE HEX CODE DESCRIPTION COMPATIBI LITY SYSEX F0h 41h 00h 42h 12
9. 16h Equalizer med high band right 0 12dB 40h 0dB 7Fh 12dB 40h Nrpn 3702h 17h Equalizer high band right treble 0 12dB 40h 0dB 7Fh 12dB 60h Nrpn 3703h 18h Equalizer Low cutoff freq 0 0Hz 7Fh 4 7 kHz 0Ch Nrpn 3708h 19h Equalizer Med Low cutoff freq 0 0Hz 7Fh 4 2 kHz 1Bh Nrpn 3709h 1Ah Equalizer Med High cutoff freq 0 0Hz 7Fh 4 2 kHz 72h Nrpn 370Ah 1Bh Equalizer High cutoff freq 0 0Hz 7Fh 18 75 kHz 40h Nrpn 370Bh 1Ch Main Echo right volume 0 to 7Fh 7Fh Nrpn 3734h 1Dh Main Echo left volume 0 to 7Fh 7Fh Nrpn 3735h 25h General MIDI reverb send 0 no send 80h default send FFh max 80h Nrpn 3715h 26h General MIDI chorus send 0 no send 80h default send FFh max 80h Nrpn 3716h 28h Mike Echo level 0 to 7Fh 7Fh Nrpn 3728h 29h Mike Echo time 0 to 7Fh 2Bh Nrpn 3729h 2Ah Mike Echo feedback 0 to 7Fh 42H Nrpn 372Ah 2Bh Slave1 Echo right volume 0 to 7Fh 00h Nrpn 3730h 2Ch Slave1 Echo left volume 0 to 7Fh 00h Nrpn 3731h 2Dh Slave2 Echo right volume 0 to 7Fh 00h Nrpn 3732h 2Eh Slave2 Echo left volume 0 to 7Fh 00h Nrpn 3733h 30h Spatial Effect volume 2 0 no effect FFh maximum effect 00h Nrpn 3720h 31h Spatial Effect delay 2 0 shortest to 7Fh longest 1Dh Nrpn 372Ch 32h Spatial Effect input 2 0 stereo 7Fh mono 00h Nrpn 372Dh 34h Mike volume 0 to FFh 80h Nrpn 3724h 36h Mike pan 0 left 40h center 7Fh right 40h Nrpn 3726h 38h General MIDI
10. 3h 4h 5h 6h 7h Default 4 hall2 REV_VOL Reverb volume Same as GM system exclusive message 40h 01h 33h Default values room1 room2 room3 hall1 hall2 plate delay pan delay 90h 90h 90h C0h 90h 90h FFh FFh REV_TIME Reverb time Same as GM system exclusive message 40h 01h 34h Default values room1 room2 room3 hall1 hall2 plate delay pan delay 7Fh 7Fh 7Fh 7Fh 7Fh 7Fh 18h 7Fh REV_FEED Reverb delay feedback Only if reverb number 6 or 7 delays This control is same as GM system exclusive message 40h 01h 35h Default values delay pan delay 22h 26h GMREV_SEND Modify reverb send level for General MIDI 80h original reverb send levels of MIDI sequence not modified 0 to 7Fh original reverb send levels decreased 81h to FFh original reverb send levels increased Default 80h 24 SAM2695 CHORUS DEVICE Ctrl CONTROL NAME Parameters Data Action Answer 6Ah CHR_TYPE Data byte 0 7 2 Chorus program select 3Bh CHR_VOL Data byte 0 FFh Chorus general volume 74h CHR_DEL Data byte 0 7Fh Chorus delay 75h CHR_FEED Data byte 0 7Fh Chorus feedback 76h CHR_RATE Data byte 0 7Fh Chorus rate 77h CHR_DEPTH Data byte 0 7Fh Chorus depth 26h GMCHR_SEND Data byte 0 FFh 80h General MIDI Chorus Send CHR_TYPE Chorus program Same as GM system exclusive message 40h 01h 38h or control 81 chorus1 chorus2 chorus3 chor
11. Chorus effect Reverb effect Spatial effect Mike input Mike Echo Some special messages allow to set parameters for these modules Messages have two formats NRPN or SysEx midi messages this format can be use either in serial mode or in parallel mode Parallel controls this format should be used in parallel mode only 2 1 SPECIAL MIDI MESSAGES received on serial MIDI in serial mode or on 8 bit data port in parallel mode Special midi messages are sent using midi Nrpn messages These NRPN messages are mainly using NRPN high 037h For example master volume can be set using NRPN 3707h which means NRPN high 037h midi control 99 63h 55 37h gt midi message 0B0h 063h 037h NRPN low 07h midi control 98 62h 07 07h gt midi message 0B0h 062h 07h NRPN value vv midi control 6 06h vv gt midi message 0B0h 006h vv vv being master volume value in range 0 to 127 0 to 7Fh Here is below list of all special NRPNs For controlling reverb chorus use standard reverb chorus midi system exclusive messages listed in paragraph 3 Detailed MIDI implementation NRPN High Low Description Power up default 3700h Equalizer Low band bass 0 12dB 40h 0dB 7Fh 12dB 60h 3701h Equalizer Med Low band 0 12dB 40h 0dB 7Fh 12dB 40h 3702h Equalizer Med High band 0 12dB 40h 0dB 7Fh 12dB 40h 3703h Equalizer High band treble 0 12dB 40h 0dB 7Fh 12dB 60h 3707h Master Volume 0 to 7Fh
12. PWR DIGITAL GROUND All pins should be connected to a ground plane GND exposed die pad PWR DIGITAL GROUND Ground supply down bonded to the exposed die pad heatsink It is recommended but not obligatory to connect this pad to a ground plane during PCB layout VD33 8 11 20 31 35 41 46 PWR PERIPHERY POWER SUPPLY 2 7V to 3 6V All VD33 pins should be returned to nominal 3 3V AGND 4 PWR ANALOG GROUND This pin should be connected to an analog ground plane VA33 6 PWR CODEC PERIPHERY ANALOG SUPPLY This pin should be connected to a nominal 3 3V power through a serial inductor filter better result or a 10 ohm resistor Serial MIDI parallel MIDI Pin name Pin Type Description MIDI_IN 16 IN 5VT Serial TTL MIDI IN Connected to the built in synthesizer at power up This pin has a built in pull up It should be left open or tied HIGH if not used D0 D7 24 26 30 32 33 I O 5VT DR8 8 bit data bus to host processor Information on these pins is parallel MIDI A0 10 IN 5VT Select data 0 or control 1 for write data 0 or status 1 for read CS 14 IN 5VT Chip select active low This pin has a built in pull up It should be left unconnected if not used RD 15 IN 5VT Read active low When CS and RD are low data A0 0 or status A0 1 is read on D0 D7 Read data is acknowledged on the rising edge of RD WR 12 IN 5VT Write active low When CS and WR are low data A0 0 or co
13. gain lt 0dB Using DACMUTE bit when OUTG 5 0 gt 039h output gain gt 0dB can generate big pop noise when DACMUTE bit going from 1 to 0 38 SAM2695 ING 5 0 Audio input gain control Adjust the IPGA gain in the ADC signal path with logarithmical steps from 36dB to 27dB in steps of 1dB Default value is 0dB ING5 ING4 ING3 ING2 ING1 ING0 Input Gain 1 1 1 1 1 1 36 dB 1 1 1 1 1 0 35 dB 1 1 1 1 0 1 34 dB 1 1 1 1 0 0 33 dB 1 1 1 0 1 1 32 dB 1 1 1 0 1 0 31 dB 1 1 1 0 0 1 30 dB 1 1 1 0 0 0 29 dB 1 1 0 1 1 1 28 dB 1 1 0 1 1 0 27 dB 1 1 0 1 0 1 26 dB 1 1 0 1 0 0 25 dB 1 1 0 0 1 1 24 dB 1 1 0 0 1 0 23 dB 1 1 0 0 0 1 22 dB 1 1 0 0 0 0 21 dB 0 1 1 0 1 1 0 dB 0 0 1 1 1 0 13 dB 0 0 1 1 0 1 14 dB 0 0 1 1 0 0 15 dB 0 0 1 0 1 1 16 dB 0 0 1 0 1 0 17 dB 0 0 1 0 0 1 18 dB 0 0 1 0 0 0 19 dB 0 0 0 1 1 1 20 dB 0 0 0 1 1 0 21 dB 0 0 0 1 0 1 22 dB 0 0 0 1 0 0 23 dB 0 0 0 0 1 1 24 dB 0 0 0 0 1 0 25 dB 0 0 0 0 0 1 26 dB 0 0 0 0 0 0 27 dB INMUTE ADC microphone input mute 0 Normal default 1 Muted ADCMUTE ADC system mute control 0 Disa
14. is 00h 40h GM PROGRAM CHANGE Cnh pp Program patch change Specific action on channel 10 n 9 select drumset Refer to sounds drumset list Drumsets can be assigned to other channels see SYSEX MIDI channel to part assign and part to rhythm allocation GM GS CHANNEL AFTERTOUCH Dnh vv vv pressure value Effect set using Sys Ex 40h 2nh 20h 26h MIDI MIDI RESET FFh Reset to power up condition CTRL 00 Bnh 00h cc Bank select Refer to sounds list No action on drumset GS CTRL 01 Bnh 01h cc Modulation wheel Rate and maximum depth can be set using SYSEX MIDI CTRL 05 Bnh 05h cc Portamento time MIDI CTRL 06 Bnh 06h cc Data entry provides data to RPN and NRPN MIDI CTRL 07 Bnh 07h cc Volume default 100 MIDI CTRL 10 Bnh 0Ah cc Pan default 64 center MIDI CTRL 11 Bnh 0Bh cc Expression default 127 MIDI GM CTRL 64 Bnh 40h cc Sustain damper pedal MIDI CTRL 65 Bnh 41h cc Portamento ON OFF MIDI CTRL 66 Bnh 42h cc Sostenuto pedal MIDI CTRL 67 Bnh 43h cc Soft pedal MIDI CTRL 80 Bnh 50h vv Reverb program vv 00h to 07h default 04h 00h Room1 01h Room2 02h Room3 03h hall1 04h Hall2 05h Plate 06h Delay 07h Pan delay DREAM CTRL 81 Bnh 51h vv Chorus program vv 00h to 07h default 02h 00h Chorus1 01h Chorus2 02h Chorus3 03h Chorus4 04h Feedback 05h Flanger 06h Short delay 07h FB delay DREAM CTRL 91 Bnh 5Bh vv Reverb send level vv 00h t
15. 2h 0Ah 06h vv Vibrate delay modify vv 40h gt no modif GS NRPN 0120h Bnh 63h 01h 62h 20h 06h vv TVF cutoff freq modify vv 40h gt no modif GS NRPN 0121h Bnh 63h 01h 62h 21h 06h vv TVF resonance modify vv 40h gt no modif GS NRPN 0163h Bnh 63h 01h 62h 63h 06h vv Env attack time modify vv 40h gt no modif GS NRPN 0164h Bnh 63h 01h 62h 64h 06h vv Env decay time modify vv 40h gt no modif GS NRPN 0166h Bnh 63h 01h 62h 66h 06h vv Env release time modif vv 40h gt no modif GS NRPN 18rrh Bnh 63h 18h 62h rr 06h vv Pitch coarse of drum instr note rr in semitones vv 40h gt no modif GS NRPN 1Arrh Bnh 63h 1Ah 62h rr 06h vv Level of drum instrument note rr vv 00 to 7Fh GS NRPN 1Crrh Bnh 63h 1Ch 62h rr 06h vv Pan of drum instrument note rr 40h middle GS NRPN 1Drrh Bnh 63h 1Dh 62h rr 06h vv Reverb send level of drum instrument note rr vv 00 to 7Fh GS NRPN 1Errh Bnh 63h 1Eh 62h rr 06h vv Chorus send level of drum instrument note rr vv 00 to 7Fh GS NRPN 37xxh Bnh 63h 37h 62h xx 06h vv Special Synthesis features controls see 2 1 DREAM SYSEX F0h 00h 20h 00h 00h 00h 12h 33h 77h pp vv3 vv2 vv1 vv0 xx F7h Write into port pp 16 bit value see 6 pp port number 0 to 7Fh vv 16 bit value nibble 0 to Fh vv3 highest nibble to vv0 lowest nibble DREAM Standard Sysex F0h 7Eh 7Fh 09h 01h F7h General MIDI reset GM Standard Sysex F0h 7Fh 7Fh 04h 01h 00h ll F7h Mast
16. 4 33 Fantasia 34 Syn Calliope 35 Choir Aahs 36 Bowed Glass 37 Soundtrack 38 Atmosphere 39 Crystal 40 Bag Pipe 41 Tinkle Bell 42 Ice Rain 43 Oboe 44 Pan Flute 45 Saw Wave 46 Charang 47 Tubular Bells 48 Square Wave 49 Strings 50 Tremolo Str 51 Slow Strings 52 Pizzicato Str 53 Violin 54 Viola 55 Cello 56 Cello 57 Contrabass 58 Harp 59 Harp 60 Nylon str Gt 61 Steel Str Gt 62 Chorus Gt 63 Funk Gt 64 Sitar 65 Acoustic Bs 66 Fingered Bs 67 Picked Bs 68 Fretless Bs 69 Slap Bs 1 70 Slap Bs 2 71 Fretless Bs 72 Fretless Bs 73 Flute 74 Flute 75 Piccolo 76 Piccolo 77 Recorder 78 Pan Flute 79 Soprano Sax 80 Alto Sax 81 Tenor Sax 82 Baritone Sax 83 Clarinet 84 Clarinet 85 Oboe 86 English Horn 87 Bassoon 88 Harmonica 89 Trumped 90 Muted Trumpet 91 Trombone 92 Trombone 93 French Horn 94 French Horn 95 Tuba 96 Brass 97 Brass 2 98 Vibraphone 99 Vibraphone 100 Kalimba 101 Tinkle Bell 102 Glockenspiel 103 Tubular Bell 104 Xylophone 105 Marimba 106 Koto 107 Taisho Koto 108 Shakuhachi 109 Whistle 110 Whistle 111 Bottle Blow 112 Pan Flute 113 Timpani 114 Melo Tom 115 Melo Tom 116 Synth Drum 117 Synth Drum 118 Taiko 119 Taiko 120 Reverse Cym 121 Castanets 122 Tinkle Bell 123 Orchestra Hit 124 Telephone 125 Bird 126 Helicopter 127 Bowed Glass 128 Ice Rain 32 SAM2695 4 3 DRUM SET TABLE M
17. 7Fh 3708h Equalizer Low cutoff freq 0 0Hz 7Fh 4 7 kHz 0Ch 3709h Equalizer Med Low cutoff freq 0 0Hz 7Fh 4 2 kHz 1Bh 370Ah Equalizer Med High cutoff freq 0 0Hz 7Fh 4 2 kHz 72h 370Bh Equalizer High cutoff freq 0 0Hz 7Fh 18 75 kHz 40h 3713h Clipping mode select 0 soft clip 7Fh hard clip 00h 3715h General MIDI reverb send 0 no send 40h default send 7Fh max 40h 3716h General MIDI chorus send 0 no send 40h default send 7Fh max 40h 3718h Post effects applied on GM 0 Post effects not applied 1 7Fh Post effects applied 1 7Fh 3719h Post effects applied on Mike 0 Post effects not applied 1 7Fh Post effects applied 1 00h 371Ah Post effects applied on Reverb Chorus 0 Post effects not applied 1 7Fh Post effects applied 1 7Fh 3720h Spatial Effect volume 2 0 no effect 7Fh maximum effect 00h 3722h General MIDI volume 0 to 7Fh 7Fh 3723h General MIDI pan 0 left 40h center 7Fh right 40h 3724h Mike volume 0 to 7Fh 40h 3726h Mike pan 0 left 40h center 7Fh right 40h 3728h Mike Echo level 0 to 7Fh 7Fh 3729h Mike Echo time 0 shortest to 7Fh longest 380ms 2Bh 372Ah Mike Echo feedback 0 no feedback to 7Fh maximum feedback 42h 372Ch Spatial Effect delay 2 0 shortest to 7Fh longest 1Dh 372Dh Spatial Effect input 2 0 stereo 7Fh mono 00h 3730h Slave1 Echo volume right 0 to7Fh see appendix 00h 3731h Slave1 Echo volume left 0 to7Fh see appendix
18. AND POWER DOWN During power up the RST PD input should be held low during 10ms A typical RC diode power up network can be used After the low to high transition of RST PD the SAM2695 enters an initialization routine It takes around 50 ms before a MIDI IN or MPU message can be processed Audio will begin after 500 ms maximum If RST PD is asserted low then the crystal oscillator and PLL will be stopped The chip enters a deep power down sleep mode as power is removed from the core To exit power down RST PD has to be asserted high 8 1 PIN STATUS IN POWER DOWN Table below shows the status of each pin in Normal mode RST PD High and in Power down mode RST PD Low Pin Status in Normal mode Status in Power down mode MIDI IN IN with Pull up resistor IN with Keeper resistor CS IN IN floating RD IN IN floating WR IN IN floating IRQ OUT OUT Low Level A0 IN IN with Keeper resistor D 7 0 I O IN floating LHPOUT ANA OUT ANA OUT VCM Level RHOUT ANA OUT ANA OUT VCM Level VCMHPOUT ANA OUT ANA OUT VCM Level VCM ANA OUT ANA OUT VCM Level MICIN ANA IN ANA IN RST PD IN IN driven Low X1 X2 Oscillator Power down XDIV IN IN with Keeper resistor TEST IN with Pull down resistor IN with Pull down resistor Note Keeper resistor can be pull up or pull down resistor This depends on logic state at the pin where it is connected when switching to Pow
19. IDI CHANNEL 10 Prog 1 STANDARD SET Prog 17 POWER SET Prog 41 BRUSH Prog 49 ORCHESTRA Prog 128 CM 64 32 Partial 27 D 1 Closed Hi Hat EXC1 28 E1 Pedal Hi Hat EXC1 29 F1 Open Hi Hat EXC1 30 F 1 Ride Cymbal 31 G1 32 G 1 33 A1 34 A 1 35 B1 Kick drum2 Jazz BD 2 Kick drum 36 C2 Kick drum1 Jazz BD 1 Kick drum 37 C 2 Side Stick Rim Shot 38 D2 Snare Drum 1 Gated Snare Brush Tap Snare Drum 2 Snare Drum 39 D 2 Hand Clap Brush Slap Castanets Hand Clap 40 E2 Snare Drum 2 Brush Swirl Snare Drum 2 Elec Snare Drum 41 F2 Low Floor Tom Timpani F Acoustic Low Tom 42 F 2 Closed Hi Hat EXC1 Timpani F Closed Hi Hat Exc1 43 G2 High Floor Tom Timpani G Acoustic Low Tom 44 G 2 Pedal Hi Hat EXC1 Timpani G Open Hi Hat 2 45 A2 Low Tom Timpani A Acoustic Middle Tom 46 A 2 Open Hi Hat EXC1 Timpani A Open Hi Hat 1 Exc1 47 B2 Low Mid Tom Timpani B Acoustic Middle Tom 48 C3 Hi Mid Tom Timpani c Acoustic High Tom 49 C 3 Crash Cymbal 1 Timpani c Crash Cymbal 50 D3 High Tom Timpani d Acoustic High Tom 51 D 3 Ride Cymbal 1 Timpani d Ride Cymbal 52 E3 Chinese Cymbal Timpani e 53 F3 Ride Bell Timpani f 54 F 3 Tambourine Tambourine 55 G3 Splash Cymbal 56 G 3 Cowbell Cowbell 57 A3 Crash Cymbal 2 58 A 3 Vibraslap
20. SAGE HEX CODE DESCRIPTION COMPATIBI LITY SYSEX F0h 41h 00h 42h 12h 40h 01h 38h vv xx F7h Chorus type vv 0 to 7 default 02h 00h Chorus1 01h Chorus2 02h Chorus3 03h Chorus4 04h Feedback 05h Flanger 06h Short delay 07h FB delay GS SYSEX F0h 41h 00h 42h 12h 40h 01h 3Ah vv xx F7h Chorus master level GS SYSEX F0h 41h 00h 42h 12h 40h 01h 3Bh vv xx F7h Chorus feedback GS SYSEX F0h 41h 00h 42h 12h 40h 01h 3Ch vv xx F7h Chorus delay GS SYSEX F0h 41h 00h 42h 12h 40h 01h 3Dh vv xx F7h Chorus rate GS SYSEX F0h 41h 00h 42h 12h 40h 01h 3Eh vv xx F7h Chorus depth GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 02h nn xx F7h MIDI channel to part assign p is part 0 to 15 nn is MIDI channel 0 to 15 16 OFF This SYSEX allows to assign several parts to a single MIDI channel or to mute a part Default assignment part MIDI channel 0 9 DRUMS 1 9 0 8 10 15 10 15 GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 15h vv xx F7h Part to rhythm allocation p is part 0 to 15 vv is 00 sound part or 01 rhythm part This SYSEX allows a part to play sound or drumset There is no limitation of the number of parts playing drumset Default assignment part 0 plays drums default MIDI channel 9 all other parts play sound GS SYSEX F0h 41h 00h 42h 12h 40h 1ph 40h v1 v2 v12 xx F7h Scale tuning n is MIDI channel 0 to 15 v1 to v12 are 12 semi tones tuning values C C D A B in the range 64
21. V for internal use only core supply 4 7 F or 10 F Decoupling capacitor must be connected between OUTVC12 and GND TEST 37 IN Test pin with a built in pull down It should be grounded or left open for normal operation NC 17 19 21 23 43 44 Not connected pins 1 2 PINOUT BY PIN 48 lead QFN Package Pin Signal Name Pin Signal Name Pin Signal Name Pin Signal Name 1 AOUTL 13 GND 25 GND 37 TEST 2 AOUTR 14 CS 26 D1 38 RST PD 3 VCMHPOUT 15 RD 27 D2 39 X1 4 AGND 16 MIDI_IN 28 D3 40 X2 5 VCM 17 NC 29 D4 41 VD33 6 VA33 18 GND 30 D5 42 IRQ 7 MICIN 19 NC 31 VD33 43 NC 8 VD33 20 VD33 32 D6 44 NC 9 GND 21 NC 33 D7 45 GND 10 A0 22 NC 34 OUTVC12 46 VD33 11 VD33 23 NC 35 VD33 47 XDIV 12 WR 24 D0 36 GND 48 GND 4 SAM2695 1 3 MECHANICAL DIMENSIONS 48 lead MQFN Package ZI 21140 Semur en Auxois FRANCE TITLE 48 LD MQFN 6x6mm Package Outline L F Material A194 FH Package designation MQFN48 REV 5 SAM2695 1 4 MARKING SAM2695 FRANCE YYWW XXXXX XXX Pin 1 6 SAM2695 2 ABSOLUTE MAXIMUM RATINGS All voltages with respect to 0V GND 0V Parameter Symbol Min Typ Max Unit Temperature under bias 55 125 C Storage temperature 65 150 C Voltage on any 5 volt tolerant pin 5VT 0 3 5 5 V Voltage on any non 5 volt t
22. akage current IIN 10 1 10 A OUTVC12 output voltage VD12 1 14 1 2 1 26 V Digital power supply current ID33 10 mA Analog power supply current IA33 8 mA Power down supply current 17 A Pull up Pull down or Keeper resistor Rudk 30 75 190 k 7 SAM2695 5 DAC CHARACTERISTICS TA 25 C VA33 3 3V Parameter Symbol Min Typ Max Unit Total Harmonic Distortion Noise at 6 dB THD N 75 dB Dynamic Range 60dBFS with A Weighted DR 86 dB Inter channel isolation 1kHz 89 dB Full scale output voltage 0 85 VA33 Vpp VCM Maximum allowable DC current source 0 1 mA VCM Reference voltage with 10 F and 100nF capacitors VA33 2 50mV VA33 2 VA33 2 50mV V Output Gain Control 1dB steps Additional setting 1 Additional setting 2 40 43 5 58 5 6 dB dB dB Maximum output power in Headphones mode 30 mW 6 ADC CHARACTERISTICS TA 25 C VA33 3 3V Parameter Symbol Min Typ Max Unit Total Harmonic Distortion Noise at 6 dB THD N 75 70 dB Dynamic Range 60dBFS with A Weighted DR 86 dB Full scale input voltage 0 6 VA33 Vpp Input Gain without boost 4 dB Input Gain with boost 22 24 dB Input Programmable Gain Amplifier 1dB steps 27 36 dB Frequency response 3dB bandwidth 0 41 Fs MICIN i
23. ble ADC digital mute default 1 Enable ADC digital mute and ADC input mute RSV 12 0 Reserved for test Do not change default setting MICBT Microphone boost control Add 20dB gain in ADC path 0 Mic Boost Off 0dB default 1 Mic Boost On 20dB HPF ADC high pass filter control 0 High pass filter disabled Default 1 High pass filter enabled 39 SAM2695 CODEC BLOCK DIAGRAM SCF DAC DACSEL Digital Sigma Delta Modulator HPAMP Digital Interpolation Filter OUTG 5 0 6 to 40dB 1dB step 43 5 58 5dB VCM buffer Digital Audio Interface SCF DAC Digital Sigma Delta Modulator HPAMP Digital Interpolation Filter OUTG 5 0 DACSEL Digital Audio Bus DACMUTE DACMUTE MICBT ING 5 0 MICBT 0 20dB IPGA 36 to 27dB 1dB step Sigma Delta Modulator INMUTE 6 to 40dB 1dB step 43 5 58 5dB Digital Decimation Filter High Pass Filter ADCMUTE HPF Voltage Reference VCMHPOUT AOUTR AOUTL MICIN VCM 40 SAM2695 7 AUTO TEST A built in auto test program is included which can be used for board production testing To start auto test send NRPN 3751h 23h Sine waveforms at different frequencies will be output to the DAC to indicate the test in progress as follows Test in progress Output frequency On chip RAM 1 18 kHz On chip ROM 876 Hz PASS 295 Hz If PASS frequency is detected this means that part is OK
24. cho volume left 2Dh ECHS2_RIGHT Data byte0 7Fh 00h Slave2 Echo volume right 2Eh ECHS2_LEFT Data byte0 7Fh 00h Slave2 Echo volume left ECH_xxx Controls for echo applied on Mike input ECH_LEV 0 to 07Fh Default 7Fh ECH_TIM 0 shortest to 7Fh longest default 2Bh longest 7Fh 380ms ECH_FEED 0 no feedback 7Fh maximum feedback default 42h ECHx_LEFT ECHx_RIGHT Pan Controls for echo Default setting of Echo is a stereophonic triple echo echo is heard successively in left speaker then center then right speaker These controls allow to change stereophonic position of each of the 3 echos left right and center For example for having only a monophonic echo located in center send ECHS1_RIGHT 0 ECHS1_LEFT 0 supress slave1 echo ECHS2_RIGHT 0 ECHS2_LEFT 0 supress slave2 echo ECHM_RIGHT 7Fh ECHM_LEFT 7Fh main echo to maximum volume See also appendix 8 4 for details 23 SAM2695 REVERB DEVICE Ctrl CONTROL NAME Parameters Data Action Answer 69h REV_TYPE Data byte 0 7 4 Reverb program select 3Ah REV_VOL Data byte 0 FFh Reverb general volume 78h REV_TIME Data byte 0 7Fh Reverb time 79h REV_FEED Data byte 0 7Fh Reverb feedback 25h GMREV_SEND Data byte 0 FFh 80h General MIDI Reverb Send REV_TYPE Reverb program Same as GM system exclusive message 40h 01h 30h or control 80 room1 room2 room3 hall1 hall2 plate delay pan delay 0h 1h 2h
25. e the parallel MIDI interface is inactive and the IRQ line is floating The serial MIDI IN is connected to the synthesis In serial mode the 8 bit parallel interface accepts two controls 3Fh to switch to parallel mode SAM2695 is acknowledging 3Fh control by sending to host FEh in DATA8 register BEh to send any control see list of control message in chapter 2 2 BEh allows to send only one control which means that each control sent in serial mode should start with BEh control Parallel mode In parallel mode all data received by SAM2695 on its serial MIDI IN pin is sent to host through the 8 bit register DATA8 but is not sent to synthesis Midi Data received by SAM2695 from host through register DATA8 is sent to the synthesis Parallel mode accepts following controls FFh parallel mode reset switch back to serial mode Additional controls listed in paragraph 2 2 These additional controls being independent of the MIDI data flow allow to easily insert some special messages for controlling some SAM2695 effect modules in the middle of a MIDI data flow 14 SAM2695 The following diagram illustrates serial and parallel mode SYNTHESIS DATA8 OUT to Host DATA8 IN from Host Serial MIDI IN SYNTHESIS DATA8 OUT to Host DATA8 IN from Host Serial MIDI IN Parallel Mode Serial Mode 15 SAM2695 2 CONFIGURATION AND SPECIAL MESSAGES SAM2695 includes the following modules 4 band Equalizer
26. ented close to the IC Crystal The paths between the crystal the crystal compensation capacitors and the SAM2695 should be short and shielded The ground return from the compensation capacitors should be the GND plane from SAM2695 D0 D7 Bus A ground plane should be implemented below the D0 D7 bus which connects both to the host and to the SAM2695 GND Analog section A specific AGND ground plane should be provided which connects by a single trace to the GND ground No digital signals should cross the AGND plane 13 SAM2695 SAM2695 USER S MANUAL 1 PARALLEL AND SERIAL MIDI MODES The SAM2695 can be controlled both from the parallel interface D0 D7 CS WR RD INT or from the serial MIDI interface MIDI IN The parallel Interface consists of two byte registers and one IRQ interrupt request line I O address Write from host Read to host A0 0 DATA8 DATA8 A0 1 CONTROL STATUS Status Register TE RF X X X X X X TE Transmit empty If 0 data from SAM2695 to host is pending and IRQ is high When host is reading the data in DATA8 register A0 0 TE goes to1 and IRQ is low again RF Receiver full If 0 then SAM2695 is ready to accept CONTROL or DATA from host However minimum time between two consecutive writes must be 3 5 s even if RF is not set 1 1 SERIAL amp PARALLEL MODES Serial mode After power up hardware reset or parallel reset control the SAM2695 is in serial mode In this mod
27. er down mode o If logic state is Low when entering Power down mode keeper resistor will be pull down o If logic state is High when entering Power down mode keeper resistor will be pull up In a designs where it is planned to use the Power down mode external pull up or pull down resistor should be added on each pin that have the IN floating status and that is not externally driven in Power down mode To avoid consumption in Normal mode these resistors can have high value like 1MOhm 10 SAM2695 9 RECOMMENDED CRYSTAL COMPENSATION 10 ANALOG INPUT AND OUTPUTS The schematics of this section are the reference designs for SAM2695 analog input and outputs The conformity with these schematics ensures the best performances 10 1 LINE OUTPUT 10 2 HEADPHONES OUTPUT 11 SAM2695 10 3 HEADPHONES OR LINE OUTPUT 10 4 MICROPHONE INPUT 12 SAM2695 11 RECOMMENDED BOARD LAYOUT Like all HCMOS high integration ICs following simple rules of board layout is mandatory for reliable operations GND VD33 VA33 distribution and decoupling All GND VD33 VA33 pins should be connected A GND plane is strongly recommended below the SAM2695 The board GND VD33 distribution should be in grid form Recommended decoupling is 4 7 or 10 F close to OUTVC12 pin Each VD33 and VA33 pin requires 0 1 F An additional 10 F T capacitor should be placed on VD33 close to the crystal Decoupling capacitors should be implem
28. er volume ll 0 to 127 default 127 GM SYSEX F0h 41h 00h 42h 12h 40h 00h 00h dd dd dd dd xx F7h Master tune default dd 00h 04h 00h 00h 100 0 to 100 0 cents Nibblized data should be used always four bytes For example to tune to 100 0 cents sent data should be 00h 07h 0Eh 08h GS SYSEX F0h 41h 00h 42h 12h 40h 00h 04h vv xx F7h Master volume default vv 7Fh GS SYSEX F0h 41h 00h 42h 12h 40h 00h 05h vv xx F7h Master key shift default vv 40h no transpose GS SYSEX F0h 41h 00h 42h 12h 40h 00h 06h vv xx F7h Master pan default vv 40h center SYSEX F0h 41h 00h 42h 12h 40h 00h 7Fh 00h xx F7h GS reset GS SYSEX F0h 41h 00h 42h 12h 40 01h 10h vv1 vv2 vv3 vv4 vv5 vv6 vv7 vv8 vv9 vv10 vv11 vv12 vv13 vv14 vv15 vv16 xx F7h Voice reserve vv1 Part 10 Default vv 2 vv2 to vv10 Part 1 to 9 Default vv 2 vv11 to vv16 Part 11 to 16 Default vv 0 GS SYSEX F0h 41h 00h 42h 12h 40h 01h 30h vv xx F7h Reverb type vv 0 to 7 default 04h 00h Room1 01h Room2 02h Room3 03h Hall1 04h Hall2 05h Plate 06h Delay 07h Pan delay GS SYSEX F0h 41h 00h 42h 12h 40h 01h 31h vv xx F7h Reverb character default 04h GS SYSEX F0h 41h 00h 42h 12h 40h 01h 33h vv xx F7h Reverb master level GS SYSEX F0h 41h 00h 42h 12h 40h 01h 34h vv xx F7h Reverb time GS SYSEX F0h 41h 00h 42h 12h 40h 01h 35h vv xx F7h Reverb delay feedback Only if reverb number 6 or 7 delays GS 28 SAM2695 MIDI MES
29. ft 14h EQ_LBR Level byte 0 7Fh 60h Equalizer low band right 15h EQ_MLBR Level byte 0 7Fh 40h Equalizer med low band right 16h EQ_MHBR Level byte 0 7Fh 40h Equalizer med high band right 17h EQ_HBR Level byte 0 7Fh 60h Equalizer high band right 18h EQF_LB Data byte 0 7Fh 0Ch Equalizer low band frequency 19h EQF_MLB Data byte 0 7Fh 1Bh Equalizer med low band frequency 1Ah EQF_MHB Data byte 0 7Fh 72h Equalizer med high band frequency 1Bh EQF_HB Data byte 0 7Fh 40h Equalizer high band frequency EQ_xxx Band level 00h 20h 40h 60h 7Fh 12dB 6dB 0dB 6dB 12dB Default 60h 6dB for LB HB 40h 0dB for MLB MHB EQF_xxx Band frequency 0 7Fh linear scale Band Range Default LB 0 4 7Khz 0Ch MLB 0 4 2Khz 1Bh MHB 0 4 2Khz 72h HB 0 18 75Khz 40h 26 SAM2695 3 DETAILED MIDI IMPLEMENTATION MIDI messages are received by the built in wavetable synthesizer from Serial MIDI IN pin serial mode 8 bit parallel data port in parallel mode MIDI MESSAGE HEX CODE DESCRIPTION COMPATIBI LITY NOTE ON 9nh kk vv MIDI channel n 0 15 note ON kk 1 127 velocity vv 1 127 vv 0 means NOTE OFF MIDI NOTE OFF 8nh kk vv MIDI channel n 0 15 note OFF kk 1 127 vv is don t care MIDI PITCH BEND Enh bl bh Pitch bend as specified by bh bl 14 bits Maximum swing is 1 tone power up Can be changed using pitch bend sensitivity Center position
30. h 40h 2ph 06h vv xx F7h Mod lfo1 tva depth 0 100 default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 10h vv xx F7h Bend pitch control 24 24 semitone default 42h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 11h vv xx F7h Bend tvf cutoff control default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 12h vv xx F7h Bend Amplitude control 100 100 default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 14h vv xx F7h Bend lfo1 pitch depth 0 600 cents default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 15h vv xx F7h Bend lfo1 tvf depth default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 16h vv xx F7h Bend lfo1 tva depth 0 100 default 0h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 20h vv xx F7h CAF pitch control 24 24 semitone default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 21h vv xx F7h CAF tvf cutoff control default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 22h vv xx F7h CAF Amplitude control 100 100 default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 24h vv xx F7h CAF lfo1 pitch depth 0 600 cents default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 25h vv xx F7h CAF lfo1 tvf depth default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 26h vv xx F7h CAF lfo1 tva depth 0 100 default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 40h vv xx F7h CC1 pitch control 24 24 semitone default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 41h vv xx F7h CC1 tvf cutoff contr
31. ial Effect SUR_VOL Spatial Effect volume Default 0 SUR_DEL Delay time Default 1Dh SUR_INP Input type select 0 Stereo default Stereo wide Input to delay line is left right 7Fh Mono Pseudo stereo Input to delay line is left right 17 SAM2695 ROUTING MESSAGES NRPN High Low CONTROL NAME Parameters Data Action 3718h GM_POST Data byte 0 7Fh 7Fh Post effects applied on General MIDI 3719h MIKECH_POST Data byte 0 7Fh 00h Post effects applied on Mike and Echo 371Ah EFF_POST Data byte 0 7Fh 7Fh Post effects applied on Reverb chorus xxx_POST Post effects are Spatial Effect and Equalizer Post effects can be separately applied on each module However general settings of post effects EQ_xxx EQF_xxx EQU_TYPE SUR_VOL SUR_DEL SUR_INP are common for all modules Data 00h post effects not applied on module Data 7Fh post effects applied on module MIKE amp ECHO DEVICE For these controls being effective Mike and Echo must first be set ON using nrpn 375Fh NRPN High Low CONTROL NAME Parameters Data Action 3724h MIKE_VOL Data byte 0 7Fh 40h Mike volume 3726h MIKE_PAN Data byte 0 7Fh 40h Mike pan 3728h ECH_LEV Data byte 0 7Fh 7Fh Echo level 3729h ECH_TIM Data byte 0 7Fh 2Bh Echo time max 7Fh 380ms 372Ah ECH_FEED Data byte 0 7Fh 42h Echo feedback 3734h ECHM_RIGHT Data byte0 7Fh 7Fh Master Echo volume right 3735h
32. no 2 34 Finger Bass 66 Alto Sax 98 FX 2 soundtrack 3 El Grd Piano 3 35 Picked Bass 67 Tenor Sax 99 FX 3 crystal 4 Honky tonk Piano 36 Fretless Bass 68 Baritone Sax 100 FX4 atmosphere 5 El Piano 1 37 Slap Bass 1 69 Oboe 101 FX 5 brightness 6 El Piano 2 38 Slap Bass 2 70 English Horn 102 FX 6 goblins 7 Harpsichord 39 Synth Bass 1 71 Bassoon 103 FX 7 echoes 8 Clavi 40 Synth Bass 2 72 Clarinet 104 FX 8 sci fi 9 Celesta 41 Violin 73 Piccolo 105 Sitar 10 Glockenspiel 42 Viola 74 Flute 106 Banjo 11 Music Box 43 Cello 75 Recorder 107 Shamisen 12 Vibraphone 44 Contrabass 76 Pan Flute 108 Koto 13 Marimba 45 Tremolo Strings 77 Blown Bottle 109 Kalimba 14 Xylophone 46 Pizzicato Strings 78 Shakuhachi 110 Bag pipe 15 Tubular Bells 47 Orchestral Harp 79 Whistle 111 Fiddle 16 Santur 48 Timpani 80 Ocarina 112 Shanai 17 Drawbar Organ 49 String Ensemble 1 81 Lead 1 square 113 Tinkle Bell 18 Percussive Organ 50 String Ensemble 2 82 Lead 2 sawtooth 114 Agogo 19 Rock Organ 51 Synth Strings 1 83 Lead 3 calliope 115 Steel Drums 20 Church Organ 52 Synth Strings 2 84 Lead 4 chiff 116 Woodblock 21 Reed Organ 53 Choir Aahs 85 Lead 5 charang 117 Taiko Drum 22 Accordion french 54 Voice Oohs 86 Lead 6 voice 118 Melodic Tom 23 Harmonica 55 Synth Voice 87 Lead 7 fifths 119 Synth Dr
33. nput resistance with boost disabled 35 kOhm MICIN input resistance with boost enabled 3 5 kOhm 8 SAM2695 7 TIMINGS 7 1 SLAVE 8 BIT PARALLEL INTERFACE This interface is typically used to connect the chip to an host processor A 0 C S R D D 0 D 7 tav cs tcslrd l tp rd trd h csh trd ld v td rh 8 b it p a ra llel in terfa ce rea d cy cle IR Q A 0 C S W R D 0 D 7 tav cs tcslw rl tp w r tw rh csh td w s td w h 8 b it p a ra llel in terfa ce w rite cy cle tw rcyc Parameter Symbol Min Typ Max Unit Address valid to chip select low tavcs 0 ns Chip select low to RD low tcslrdl 5 ns RD high to CS high trdhcsh 5 ns RD pulse width tprd 50 ns Data out valid from RD trdldv 20 ns Data out hold from RD tdrh 5 10 ns Chip select low to WR low tcslrwrl 5 ns WR high to CS high twrhcsh 5 ns WR pulse width tpwr 50 ns Write data setup time tdws 10 ns Write data hold time tdwh 0 ns Write cycle twrcyc 3 5 s Notes When data is pending on parallel port the host should read it within 1 ms If not the parallel port will be deactivated Reactivating the port can be done with the following control sequence 0FFh Closed port 03Fh Open port For safe operation write cycle time should not be lower than 3 5 s 9 SAM2695 8 RESET
34. ntrol A0 1 is written from the D0 D7 bus to the SAM2695 on the rising edge of WR IRQ 42 OUT DR4 A rising edge indicates that a MIDI byte is available for read on D0 D7 Acknowledged by reading the byte Analog audio group Pin name Pin Type Description MICIN 7 IN Analog microphone input AOUTL 1 OUT Left channel audio line or headphones output AOUTR 2 OUT Right channel audio line or headphones output VCM 5 OUT Analog common mode voltage Should be stabilized by external capacitors 10 F 100nF to AGND VCMHPOUT 3 OUT Analog headphones common mode voltage buffer output 3 SAM2695 Miscellaneous group Pin name Pin Type Description RST PD 38 IN 5VT Master reset and Power down Schmitt trigger input RST PD should be held low during at least 10ms after power is applied On the rising edge of RST PD the chip enters its initialization routine When RST PD is low Power down is active 8 bit port data lines are High Z IRQ is set to 0 The PLL is stopped and supply voltage is removed from analog and digital core To exit from power down RST PD must be set to VD33 X1 X2 39 40 9 6 MHz or 12 MHz crystal connection An external clock can also be used on X1 XDIV 47 IN System clock divider When grounded it allows using 9 6MHz crystal When connected to VD33 it allows using 12MHz crystal OUTVC12 34 PWR 3 3V to 1 2 V regulator output The built in regulator gives 1 2
35. o 7Fh GS CTRL 93 Bnh 5Dh vv Chorus send level vv 00h to 7Fh GS CTRL 120 Bnh 78h 00h All sound off abrupt stop of sound on channel n MIDI CTRL 121 Bnh 79h 00h Reset all controllers MIDI CTRL 123 Bnh 7Bh 00h All notes off MIDI CTRL 126 Bnh 7Eh 00h Mono on MIDI CTRL 127 Bnh 7Fh 00h Poly on default power up MIDI CTRL CC1 Bnh cch vvh Assignable Controller 1 cc Controller number 0 5Fh vv Control value 0 7Fh Control number cch can be set on CC1 CONTROLLER NUMBER Sys Ex 40 1x 1F The resulting effect is determined by CC1 controller function Sys Ex 40 2x 40 4A GS 27 SAM2695 MIDI MESSAGE HEX CODE DESCRIPTION COMPATIBI LITY CTRL CC2 Bnh cch vvh Assignable Controller 2 cc Controller number 00h 5Fh vv control value 0 7Fh Control number can be set on CC2 CONTROLLER NUMBER Sys Ex 40 1x 20 The resulting effect is determined by CC2 controller function Sys Ex 40 2x 50 5A GS RPN 0000h Bnh 65h 00h 64h 00h 06h vv Pitch bend sensitivity in semitones default 2 MIDI GM RPN 0001h Bnh 65h 00h 64h 01h 06h vv Fine tuning in cents vv 00 100 vv 40h 0 vv 7Fh 100 MIDI RPN 0002h Bnh 65h 00h 64h 02h 06h vv Coarse tuning in half tones vv 00 64 vv 40h 0 vv 7Fh 64 MIDI NRPN 0108h Bnh 63h 01h 62h 08h 06h vv Vibrate rate modify vv 40h gt no modif GS NRPN 0109h Bnh 63h 01h 62h 09h 06h vv Vibrate depth modify vv 40h gt no modif GS NRPN 010Ah BnN 63h 01h 6
36. ol default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 42h vv xx F7h CC1 Amplitude control 100 100 default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 44h vv xx F7h CC1 lfo1 pitch depth 0 600 cents default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 45h vv xx F7h CC1 lfo1 tvf depth default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 46h vv xx F7h CC1 lfo1 tva depth 0 100 default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 50h vv xx F7h CC2 pitch control 24 24 semitone default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 51h vv xx F7h CC2 tvf cutoff control default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 52h vv xx F7h CC2 Amplitude control 100 100 default 40h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 54h vv xx F7h CC2 lfo1 pitch depth 0 600 cents default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 55h vv xx F7h CC2 lfo1 tvf depth default 00h GS SYSEX F0h 41h 00h 42h 12h 40h 2ph 56h vv xx F7h CC2 lfo1 tva depth 0 100 default 00h GS Notes NRPN sending method CTRL 99 high byte CTRL 98 low byte CTRL 6 vv Example NRPN 0108h 40h gt CTRL 99 1 CTRL 98 8 CTRL 6 64 x or xx means don t care 30 SAM2695 4 SOUNDS 4 1 MAIN SOUNDS GENERAL MIDI all channels except 10 PC Program change PC GENERAL MIDI PC GENERAL MIDI PC GENERAL MIDI PC GENERAL MIDI 1 Grand Piano 1 33 Acoustic Bass 65 Soprano Sax 97 FX 1 rain 2 Bright Pia
37. olerant pin 0 3 VD33 0 3 V Supply voltage I O VD33 0 3 3 6 V Supply voltage CODEC analog 3 3V VA33 0 3 3 6 V NOTICE Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied Exposure to absolute maximum rating conditions for extended periods may affect device reliability 3 RECOMMENDED OPERATING CONDITIONS Parameter Symbol Min Typ Max Unit Digital supply voltage VD33 2 7 3 3 3 6 V Analog supply voltage CODEC VA33 2 7 3 3 3 6 V Operating ambient temperature tA 25 70 C 4 D C CHARACTERISTICS TA 25 C VD33 3 3V X1 12 MHz AOUTL AOUTR load 47k Parameter Symbol Min Typ Max Unit Low level input voltage VIL 0 8 V High level input voltage on 5VT pins VIH 2 V High level input voltage on non 5VT pins VIH 2 V Low level output voltage at IOL IOHL Min VOL 0 4 V High level output voltage at IOH IOHL Min VOH 2 4 V Schmitt trigger negative to threshold voltage VTN 0 8 1 1 V Schmitt trigger positive to threshold voltage VTP 1 6 2 V Driving capability at VOL VOH for DR4 pins IOHL 4 mA Driving capability at VOL VOH for DR8 pins IOHL 8 mA Input le
38. rb chorus xxx_POST Post effects are Spatial Effect and Equalizer Post effects can be separately applied on each module However general settings of post effects EQ_xxx EQF_xxx EQU_TYPE SUR_VOL SUR_DEL SUR_INP are common for all modules Data 00h post effects not applied on module Data 7Fh post effects applied on module MIDI MESSAGES Ctrl CONTROL NAME Parameters Data Action Answer 38h GM_VOL Data byte 0 FFh FFh General MIDI volume 39h GM_PAN Data byte 0 7Fh 40h General MIDI pan GM_VOL Range 0 FFh linear scale Default value GM_VOL 0FFh GM_PAN 0 hard left 40h center 7Fh hard right Same as GM system exclusive message 40h 00h 06h Default value GM_PAN 40h 22 SAM2695 MIKE amp ECHO DEVICE For these controls being effective Mike and Echo must first be set ON using nrpn 375Fh Ctrl CONTROL NAME Parameters Data Action Answer 34h MIKE_VOL Data byte 0 FFh 80h Mike volume 36h MIKE_PAN Data byte 0 7Fh 40h Mike pan 28h ECH_LEV Data byte 0 7Fh 7Fh Echo level applied on Mike 29h ECH_TIM Data byte 0 7Fh 2Bh Echo time applied on Mike 2Ah ECH_FEED Data byte 0 7Fh 42h Echo feedback applied on Mike 1Ch ECHM_RIGHT Data byte0 7Fh 7Fh Main Echo volume right 1Dh ECHM_LEFT Data byte0 7Fh 7Fh Main Echo volume left 2Bh ECHS1_RIGHT Data byte0 7Fh 00h Slave1 Echo volume right 2Ch ECHS1_LEFT Data byte0 7Fh 00h Slave1 E
39. t In Input Nrpn 372Dh Right In 1 Left Right 43 SAM2695 8 4 MICROPHONE ECHO STRUCTURE Dream echo structure includes 3 echos Main one is the master echo master echo time T is set with nrpn 3729h while feedback is set with nrpn 372Ah Slave 1 and Slave 2 are 2 more echos delayed from master echo T 2T 0 Slave1 M aster S lave2 3T T 3 2T 3 Slave1 is M aster 2T 3 Slave2 is M aster T 3 Volume of Master Slave1 and Slave2 can be separately set using nrpn 3730h to 3735h For example for having mono echo preset 0 slave1 and slave2 must be muted Left and right volumes can be set independently for providing best stereo effect 45 SAM2695 Dream Contact info dream fr Website http www dream fr This publication neither states nor implies any warranty of any kind including but not limited to implied warrants of merchantability or fitness for a particular application Dream assumes no responsibility for the use of any circuitry No circuit patent licenses are implied The information in this publication is believed to be accurate in all respects at the time of publication but is subject to change without notice Dream assumes no responsibility for errors and omissions and disclaims responsibility for any consequences resulting from the information included herein June 22th 2015 Copyright 2013 2014 Dream S A S France
40. t value in any internal port of SAM2695 Midi message code in hexadecimal F0h 00h 20h 00h 00h 00h 12h 33h 77h pp vv3 vv2 vv1 vv0 xx F7h With pp port number 0 to 7Fh vv 4 bit nibble of 16 bit value 0 to Fh vv3 highest 4 bit nibble to vv0 lowest 4 bit nibble For example system exclusive F0h 00h 20h 00h 00h 00h 12h 33h 77h 56h 0Dh 03h 05h 0Ah xx F7h writes in port 56h value 0D35Ah It is not recommended to write in SAM2695 ports except in the 2 ports configuring the codec port 18 12h Codec Control 0 port 20 14h Codec Control 1 PORT ADDRESS 18 12h CODEC CONTROL 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ADC IN ING5 ING4 ING3 ING2 ING1 ING0 DAC DAC OUTG5 OUTG4 OUTG3 OUTG2 OUTG1 OUTG0 MUTE MUTE MUTE SEL Reset Default Value 1B79h 0 0 0 1 1 0 1 1 0 1 1 1 1 0 0 1 Sytem exclusive restoring port 18 12h to default F0h 00h 20h 00h 00h 00h 12h 33h 77h 12h 01h 0Bh 07h 09h xx F7h PORT ADDRESS 20 14h CODEC CONTROL 1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 HPF MICBT xxx RSV12 RSV11 RSV10 RSV9 RSV8 RSV7 RSV6 RSV5 RSV4 RSV3 RSV2 RSV1 RSV0 Reset Default Value 077Dh 0 0 xxx 0 0 1 1 1 0 1 1 1 1 1 0 1 This port is mainly used for controlling 20dB Mic Boost with bit 14 MICBT For setting Mic Boost ON send system e
41. ualizer low band frequency 3709h EQF_MLB Data byte 0 7Fh 1Bh Equalizer med low band frequency 370Ah EQF_MHB Data byte 0 7Fh 72h Equalizer med high band frequency 370Bh EQF_HB Data byte 0 7Fh 40h Equalizer high band frequency EQ_xxx Band level 00h 20h 40h 60h 7Fh 12dB 6dB 0dB 6dB 12dB Default 60h 6dB for LB HB 40h 0dB for MLB MHB EQF_xxx Band frequency 0 7Fh linear scale Band Range Default LB 0 4 7Khz 0Ch MLB 0 4 2Khz 1Bh MHB 0 4 2Khz 72h HB 0 18 75Khz 40h 19 SAM2695 2 2 CONTROLS received on parallel CONTROL register Controls are normally sent in parallel mode Individual controls can also be sent on 8 bit port in serial mode if preceded by control BEh CONTROL MESSAGES OVERVIEW A control message consists of one CONTROL byte followed by one DATA8 byte parameter Ctrl Description Power up default Compatible NRPN SYSEX 7h Master Volume 0 to FFh FFh Nrpn 3707h 10h Equalizer low band left bass 0 12dB 40h 0dB 7Fh 12dB 60h Nrpn 3700h 11h Equalizer med low band left 0 12dB 40h 0dB 7Fh 12dB 40h Nrpn 3701h 12h Equalizer med high band left 0 12dB 40h 0dB 7Fh 12dB 40h Nrpn 3702h 13h Equalizer high band left treble 0 12dB 40h 0dB 7Fh 12dB 60h Nrpn 3703h 14h Equalizer low band right bass 0 12dB 40h 0dB 7Fh 12dB 60h Nrpn 3700h 15h Equalizer med low band right 0 12dB 40h 0dB 7Fh 12dB 40h Nrpn 3701h
42. um 24 Tango Accordion 56 Orchestra Hit 88 Lead8 bass lead 120 Reverse Cymbal 25 Ac Guitar nylon 57 Trumpet 89 Pad 1 fantasia 121 Gt Fret Noise 26 Ac Guitar steel 58 Trombone 90 Pad 2 warm 122 Breath Noise 27 El Guitar jazz 59 Tuba 91 Pad 3 polysynth 123 Seashore 28 El Guitar clean 60 Muted Trumpet 92 Pad 4 choir 124 Bird Tweet 29 El Guitar muted 61 French Horn 93 Pad 5 bowed 125 Teleph Ring 30 Overdriven Guitar 62 Brass Section 94 Pad 6 metallic 126 Helicopter 31 Distortion Guitar 63 Synth Brass 1 95 Pad 7 halo 127 Applause 32 Guitar harmonics 64 Synth Brass 2 96 Pad 8 sweep 128 Gunshot 31 SAM2695 4 2 MT 32 SOUND VARIATION 127 all channels except 10 To select variation send CTRL 0 127 then PC PC Program change C0 controller 0 value zero for General MIDI capital sounds PC Instrument name PC Instrument name PC Instrument name PC Instrument name 1 Piano 1 2 Piano 2 3 Piano 3 4 Detuned EP 1 5 E Piano1 6 E Piano2 7 Detuned EP2 8 Honky Tonk 9 Organ 1 10 Organ 2 11 Organ 3 12 Detuned Or 1 13 Church Org 2 14 Church Org 15 Church Org 16 Accordion Fr 17 Harpsichord 18 Coupled Hps 19 Coupled Hps 20 Clav 21 Clav 22 Clav 23 Celesta 24 Celesta 25 Synth Brass1 26 Synth Brass2 27 Synth Brass3 28 Synth Brass4 29 Synth Bass1 30 Synth Bass2 31 Synth Bass3 32 Synth Bass
43. us4 FB chorus flanger short del FB delay 00h 01h 02h 03h 04h 05h 06h 07h Default 2 chorus3 CHR_VOL Chorus Volume Same as GM system exclusive message 40h 01h 3Ah CHR_DEL Chorus delay Same as GM system exclusive message 40h 01h 3Ch CHR_FEED Chorus feedback Same as GM system exclusive message 40h 01h 3Bh CHR_RATE Chorus rate Same as GM system exclusive message 40h 01h 3Dh CHR_DEPTH Chorus depth Same as GM system exclusive message 40h 01h 3Eh GMCHR_SEND Modify chorus send level for General MIDI Data 80h original chorus send levels of MIDI sequence not modified Data 00h to 7Fh original chorus send levels decreased Data 81h to FFh original chorus send levels increased Default 80h Default values chorus1 Chorus2 chorus3 chorus4 FB chorus flanger short del FB delay CHR_VOL 90h 90h 90h 90h 90h 90h FFh FFh CHR_DEL 4Bh 40h 40h 2Bh 7Fh 56h 7Fh 7Fh CHR_FEED 00h 07h 09h 0Ch 48h 7Fh 00h 50h CHR_RATE 03h 09h 03h 09h 02h 01h 00h 00h CHR_DEPTH 05h 13h 13h 10h 0Ch 03h 00h 00h 25 SAM2695 EQUALIZER DEVICE Ctrl CONTROL NAME Parameters Data Action Answer 10h EQ_LBL Level byte 0 7Fh 60h Equalizer low band left 11h EQ_MLBL Level byte 0 7Fh 40h Equalizer med low band left 12h EQ_MHBL Level byte 0 7Fh 40h Equalizer med high band left 13h EQ_HBL Level byte 0 7Fh 60h Equalizer high band le
44. volume 0 to FFh FFh Nrpn 3722h 39h General MIDI pan 0 left 40h center 7Fh right 40h Nrpn 3723h 3Ah Reverb general volume 0 to FFh 3 SysEx 40h 01h 33h 3Bh Chorus general volume 0 to FFh 3 SysEx 40h 01h 3Ah 3Fh Switch to UART mode 62h Post effects applied on GM 0 Post effects not applied 1 7Fh Post effects applied 1 7Fh Nrpn 3718h 65h Post effects applied on Mike and Echo 0 Post effects not applied 1 7Fh Post effects applied 1 00h Nrpn 3719h 66h Post effects applied on Reverb Chorus 0 Post effects not applied 1 7Fh Post effects applied 1 7Fh Nrpn 371Ah 69h Reverb program select 0 to 7h 04h SysEx 40h 01h 30h 6Ah Chorus program select 0 to 7h 02h SysEx 40h 01h 38h 74h Chorus delay 3 SysEx 40h 01h 3Ch 75h Chorus feedback 3 SysEx 40h 01h 3Bh 20 SAM2695 76h Chorus rate 3 SysEx 40h 01h 3Dh 77h Chorus depth 3 SysEx 40h 01h 3Eh 78h Reverb time 3 SysEx 40h 01h 34h 79h Reverb feedback Only if reverb number 6 or 7 delays 3 SysEx 40h 01h 35h 7Eh Clipping mode select 0 soft clip 7Fh hard clip 00h Nrpn 3713h BEh Enable Dream control in stand alone mode FFh Reset UART mode Notes 1 Post effects are Spatial Effect Equalizer 2 See Block diagram in Appendix 3 See CONTROL MESSAGES DETAILS CONTROL MESSAGES DETAILS SYSTEM MESSAGES Ctrl CONTROL NAME Parameters Data Action Answer 07h MASTER_VOL Data b
45. xclusive F0h 00h 20h 00h 00h 00h 12h 33h 77h 14h 04h 07h 07h 0Dh xx F7h For restoring default Mic Boost OFF send system exclusive F0h 00h 20h 00h 00h 00h 12h 33h 77h 14h 00h 07h 07h 0Dh xx F7h 37 SAM2695 CODEC CONTROL BIT DESCRIPTION OUTG 5 0 Audio output gain control Adjust the DAC amplifier output in logarithmical steps from 6dB to 40dB in steps of 1dB Two additional gains 43 5dB and 58 5dB are also available Default value is 0dB OUTG5 OUTG4 OUTG3 OUTG2 OUTG1 OUTG0 Output Gain 1 1 1 1 1 1 6 dB 1 1 1 1 1 0 5 dB 1 1 1 1 0 1 4 dB 1 1 1 1 0 0 3 dB 1 1 1 0 1 1 2 dB 1 1 1 0 1 0 1 dB 1 1 1 0 0 1 0 dB 1 1 1 0 0 0 1 dB 1 1 0 1 1 1 2 dB 1 1 0 1 1 0 3 dB 1 1 0 1 0 1 4 dB 1 1 0 1 0 0 5 dB 1 1 0 0 1 1 6 dB 1 1 0 0 1 0 7 dB 1 1 0 0 0 1 8 dB 1 1 0 0 0 0 9 dB 0 1 0 0 1 1 38 dB 0 1 0 0 1 0 39 dB 0 1 0 0 0 1 40 dB 0 1 0 0 0 0 43 5 dB 0 0 x x x x 58 5 dB DACSEL Active DAC output audio path 0 DAC output signal not routed to audio output Audio output muted 1 DAC output signal routed to audio output default DACMUTE DAC system mute control 0 Disable DAC digital mute default 1 Enable DAC digital mute Note When using DACMUTE bit be sure gain OUTG 5 0 lt 039h output
46. yte 0 FFh FFh Master volume BEh EN_CONTROL None Enable dream control in stand alone mode FFh RESET None Reset UART mode 3Fh UART_MOD None Switch to UART mode Data FEh MASTER_VOL Master volume Data range 0 FFh Default FFh EN_CONTROL This control has been implemented to enable to send any parallel control even in Serial mode It allows to send only one parallel control which means that each control sent in serial mode should start with EN_CONTROL control RESET Switch SAM2695 in serial mode UART_MODE Switch SAM2695 in parallel mode 21 SAM2695 SPATIAL EFFECT DEVICE See Block diagram in Appendix Ctrl CONTROL NAME Parameters Data Action Answer 30h SUR_VOL Data byte 0 FFh 0 Spatial Effect volume 31h SUR_DEL Data byte 0 7Fh 1Dh Spatial Effect delay 32h SUR_INP Data byte 0 7Fh 0 Input mono stereo select for Spatial Effect SUR_VOL Spatial Effect volume Default 0 SUR_DEL Delay time Default 1Dh SUR_INP Input type select 0 Stereo default Stereo wide Input to delay line is left right 7Fh Mono Pseudo stereo Input to delay line is left right ROUTING MESSAGES Ctrl CONTROL NAME Parameters Data Action Answer 62h GM_POST Data byte 0 7Fh 7Fh Post effects applied on general MIDI 65h MIKECH_POST Data byte 0 7Fh 00h Post effects applied on Mike and Echo 66h EFF_POST Data byte 0 7Fh 7Fh Post effects applied on Reve

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