SAM2695 Datasheet
Contents
1. xxx O O 1 1 1 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 exclusive FOh 00h 20h 00h 00h 00h 12h 33h 77h 14h 04h 07h 07h ODh xx F7h For restoring default Mic Boost OFF send system exclusive FOh 00h 20h 00h 00h 00h 12h 33h 77h 14h 00h 07h 07h ODh xx F7h 36 dream 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 OdB 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 52. dream 7 TIMINGS 7 1 SLAVE 8 BIT PARALLEL INTERFACE This interface is typically used to connect the chip to an host processor 8 bit parallel interface read cycle twrcyc teslwrl 8 bit parallel interface write cycle Parameter Min Address valid to chip select low Chip select low to RD low RD high to CS high RD pulse width Data out valid from RD Data out hold from RD Chip select low to WR low WR high to CS high WR pulse width Write data setup time Write data hold time Write cycle tcsirdi trdhcsh 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 OFFh Closed port O3Fh Open port For safe operation write cycle time should not be lower than 3 5ps cream 8 RESET 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 asserte
3. Signal Name 1 AOUTL 3 GND 25 GND 37 4 AGND X 16 28 D3 40 6 VA3 18 ____ 30 05 42 8 VD33 __ 20 32 06 YAA 9 GND LA NCC 12 WR 24 _____ 36 _ 48 dream 1 3 MECHANICAL DIMENSIONS 48 lead MQFN Package A3UN3Ql Va gt ONILVIS L NOISN3WIQ 9NITIONINOO YILININ N 2 m m m 2 2 m o o c m c m m 0 N N 9 5 S x m z 2 ZI dream 21140 Semur en Auxois FRANCE TITLE 48 LD MQFN 6x6mm Package Outline L F Material A194 FH Package designation MQEN48 REV dream 1 4 MARKING dream FRANCE SAM2695 XXXXX XXX e YYWW iw 1 dream 2 ABSOLUTE MAXIMUM RATINGS All voltages with respect to 0V GND 0V Parameter Temperature under bias Storage temperature Voltage on any 5 volt tolerant pin svr Voltage on any non 5 volt tolerant pin Supply voltage 1 0 Supply voltage CODEC analog 3 3V 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 e
4. DREAM 00h Chorus Olh Chorus2 02h Chorus3 03h Chorus4 04h Feedback 05h Flanger 06h Short delay 07h FB delay Poly on default power up CTRL Bnh cch vvh Assignable Controller 1 cc Controller number 0 5Fh vv Control GS value 0 7Fh Control number cch can be set on 1 CONTROLLER NUMBER Sys Ex 40 1x 1F The resulting effect is determined by CCI controller function Sys Ex 40 2x 40 4A 26 cream MIDI HEX CODE DESCRIPTION COMPATIBI MESSAGE LITY CTRL CC2 Bnh cch vvh Assignable Controller 2 cc Controller number 00h 5Fh vv control GS 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 MIDI GM RPN 0000h Bnh 65h 00h 64h 00h 06h vv Pitch bend sensitivity in semitones default 2 RPN 0001h Bnh 65h 00h 64h O1h 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 NRPN 0109h NRPN 010Ah NRPN 0120h NRPN 0121h NRPN 0163h NRPN 0164h Pitch coarse of drum instr note rr in semitones vv 40h gt no modif RPN 1Arth NRP s RP 32 G G G G N G G G NRPN 0166h Bnh 63h 01h 62h 66h 06h vv Env release time modif vv 40h gt no modif IGS S GS GS GS S S S GS GS S GS S S S S S S S S S S S N I Errh Bnh 63h 1E
5. Kickdumi azz BD Kick drum 37 C 2 Side Stick Rim Shot Brush Tap Snare Drum 2 Snare Drum 39 D 2 _______________ Slap Castanets Hand Clap 40 22 SnareDrum2 Brush Swirl Snare Drum 2 Elec Snare Drum 41 22 JLowFlorTom ___ Timpani F Acoustic Low Tom 42 2 2 ClosedHiHat EXC1 __ Timpani F Closed Hi Hat Exc1 43 G2 Tom WA Timpani G Acoustic Low Tom 44 682 PedalH Hat EXCt _____ Timpani G Open Hi Hat 2 45 2 LowTom Timpani A Acoustic Middle Tom 46 A 2 Open Hi Hat EXC1 __ Timpani A Open Hi Hat 1 Exc1 47 B2 LowMidTom Timpani B Acoustic Middle Tom 48 3 HiMidTom Timpani c Acoustic High Tom 49 C 3__ CrashCymba1 Timpani c Crash Cymbal 50 03 HighTom Timpani d Acoustic High Tom 51 0 3 RideCymbal Timpani d Ride Cymbal 52 E3 ___ Chinese Cymbal Timpani e 53 F3 JRideBel Timpani f 54 Tambourine O Tambourine 55 G3 Splash Cymbal 56 663 Cowbell Cowbell 57 ___ 58 3 Vibraslap 59 B3 RideCymba2 JA 60 4 HiBogo 61 C 4 LowBono 62 D4 MuteHiCoga 63 D 4 OpenHiCoga 64 4 LowCoga ___ 65 F4 HighTimble 66 F 4 67 G4 HighAggo 68 684 LowAgooo
6. 0 lt 039h output 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 37 cream 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 188 Default value is OdB 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 48 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 Disable 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 OdB default 1 Mic Boost On 20dB HPF ADC hi
7. 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 chorus Chorus2 3 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 OCh 48h 7Fh 00h 50h CHR_RATE 03h 09h 03h 09h 02h Olh 00h 00h CHR_DEPTH 05h 13h 13h 10h OCh 03h 00h 00h 24 dream EOUALIZER DEVICE Ctrl CONTROL Parameters Data Action Answer NAME Mh EQLBR Level byte0 7Fh 60h Equalizer low band right o o 15h EQ MLBR Level byte 0 7Fh 40h Equalizer med low band right AA 16h _ _ __ __ byte 0 7Fh 40h Equalizer med high band right lt 17 EQ Level byte0 7Fh 60h Equalizer high band right 188 EQFLB ___ byte 0 7Fh 0Ch Equalizer low band frequency o 19h EQF MLB Data byte0 7Fh IBh Equalizer med low band frequency EQF Data byte 0 7Fh 72h Equalizer med high band frequency EQF HB _____ byte 0 7Fh 40h Equalizer high band frequency lt E
8. 40 Synth Bass 2 52 Synth Strins2 54 Voice Oohs 55 Synth Voice 56 OrhestaHt 61 French Hom 65 Synth Brass 64 SymhBrass2 80 Ocarina 81 Lead 1 square wave 82 Lead 2 saw wave 83 Lead 3 callope 84 Lead 4 chiff 85 Lead 5 charan 86 Lead 6 voice 89 Padi newage Pad3 posynh 92 Pad4 chor 93 bowed 94 Pad 6 metallic 95 Pad7 nao 98 FX2 soundrak 99 FX3 oysa 100 PX4 atmosphere 301 5 brightness 102 7 6 14 FX8 cM 13 Tinke Bei 115 Steel Drums 118 Melodic Tom 1 INSTRUMENTS REQUIRING 2 VOICES 2 LAYER INSTRUMENT 41 dream 8 2 SIGNAL PROCESSING SYNOPTIC Main out Reverb Chorus Output Selector Stereo bus ul Mono bus 8 3 SPATIAL EFFECT BLOCK DIAGRAM Left In Dela r y Volume Left Nrpn 372Ch Nrpn 3720h Input Nrpn 372Dh Delay Right Right In 42 dream 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 Slavel is Master 2T 3 Slave2 is Master T 3 Master Slave2 Slave1 Volume of Master Slavel and Slave2 can be separately set using nrpn 3730h to 3735h For example for
9. 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 23 dream CHORUS DEVICE Ctrl CONTROL Parameters Data Action Answer NAME 6Ah _ ___ 0 7 2 ____ Chorus programselect Jooo 3Bh CHR VOL Data byte0 FFh _ Chorus generalvolume 74h CHR Data byte0 7Fh Chorus delay _____ 758 Data byte 0 7Fh Chorus feedback Jo 76h CHR RATE Data byte 0 7Fh Chorus rate __ 7Ih 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 chorus 1 chorus2 chorus3 chorus4 FB chorus flanger short del FB delay 00h Olh 02h 03h 04h OSh 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
10. 86 89 90 91 92 93 94 95 96 Lead 4 chiff 116 Woodblock Pad 4 choi _ 124 Tweet Pad 5 bowed 125 Ring Pad 6 metallic 126 Helicopter Pad 7 halo 127 Pad 8 sweep 128 Gunshot 49 50 51 52 53 54 55 110 Tango Accordion 56 OrchestraHit Lead8 120 Reverse Cymbal Pad 1 fantasia 121 Gt FretNoise _ 58 122 59 123 60 61 62 63 64 16 19 20 21 22 23 24 25 Ac Guitar nylon 26 28 29 30 31 32 20 dream 4 2 MT 32 SOUND VARIATION 127 all channels except 10 To select variation send CTRL 0 127 then PC PC Program change CO controller 0 value zero for General MIDI capital sounds Instrument name PC Instrument name PC PC Instrument name PC 1 Piano 1 5 E Piano1 9 Organ 1 13 Church Org 2 17 Harpsichord 21 Clav 25 Synth Brass1 29 Synth Bassi 33 Fantasia 37 Soundtrack 41 Tinkle Bell 45 Saw Wave 49 Strings 53 Violin 57 Contrabass 61 Steel Str Gt 65 Acoustic Bs 69 Slap Bs 1 73 Flute 77 81 85 Oboe 89 Trumped 93 French Horn 97 Brass 2 101 Tinkle Bell 105 Marimba 109 Whistle 113 Timpani 117 Synth Drum 121 Castanets 125 Bird Pi
11. OFF OFF 64 Max Poly 64 000010011 03h OFF OFF OFF 4 Band OFF OFF 55 000011000 08h OFF OFF ON OFF OFF OFF 62 000011010 OAh OFF OFF ON 2 Band OFF OFF 58 000011011 OBh OFF OFF ON 4 Band OFF OFF 54 000011110 OEh OFF OFF ON 2 Band ON OFF 57 001010000 20h ON OFF OFF OFF OFF OFF 50 001010010 22h ON OFF OFF 2 Band OFF OFF 46 001010011 23h ON OFF OFF 4 Band OFF OFF 42 001011000 28h ON OFF ON OFF OFF OFF 49 001011010 2Ah ON OFF ON 2 OFF OFF 45 001011011 2Bh ON OFF ON 4 Band OFF OFF 41 fono ON ON om 001110011 33h ON ON OFF 4 Band OFF OFF 39 011 37 0011 ON OFF 4 Band ON OFF 38 Band Band 01000110 4Eh OFF OFF ON 2 Band ON ON 55 011110100 74h ON ON OFF ON ON 44 011110110 76h ON ON OFF 2 Band ON ON 40 011110111 77h ON ON OFF 4 Band ON ON 36 011111110 7Eh ON ON ON 2 Band ON ON 39 011111111 7Fh ON ON ON 4 Band ON ON 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 r
12. having mono echo preset 0 slavel and slave2 must be muted Left and right volumes can be set independently for providing best stereo effect 43 cream 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
13. 69 A4 70 Marcas 71 B4 j ShotWhisl EXC2 72 5 LongWhisle EXC2 1 73 5 ShotGuio EXCS Vibra Slap 74 05 LongGuro EXC3 5 Df5 Clves Claves 6 E5 HiWoodBlock 7 F5 LowWoodBlck 8 Ff5 Mute Cuica EXC4 9 G5 OpenCuia EXC4 1 80 G 5 Mute Triangle EXC5 __ 81 5 OpenTriangle EXC5 82 __ 83 B5 To be continued 64 32 Partial ee il Kick drum Kick drum Rim Shot Snare Drum Hand Clap Elec Snare Drum Acoustic Low Closed Hi Hat 1 Acoustic Low Tom Open Hi Hat2 Acoustic Middle Open Hi Hat 1 Exc1 Acoustic Middle Tom Acoustic High Tom__ Crash Cymbal Acoustic High Ride Cymbal et Tambourine _____ Cowbell pa ni en Oo li M ei ed ui SS I e E lea di Vibra Slap Applauses 32 cream Continued STANDARD SET POWER SET BRUSH ORCHESTRA CM 64 32 Partial 84 C6 __ 8B5 CH6 86 D 03 _________ Applauses 89 F6 S i 90 6 LL 91 66 PT 92 66 0 0 0 0 93 A6 Helicopter 95 86 __ 96 67 Gun Shot 98 07 __ 99 DE 100 E7 0 0 0 101 F7 0 0 0 0 102 2 7
14. Q_xxx Band level 00h 20h 40h 60h 7Fh 12dB 6dB OdB 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 OCh MLB 0 4 2Khz 1Bh MHB 0 4 2Khz 72h HB 0 18 75Khz 40h 25 dream 3 DETAILED MIDI IMPLEMENTATION MIDI messages are received by the built in wavetable synthesizer from e Serial MIDI IN pin serial mode e 8 bit parallel data port in parallel mode MIDI HEX CODE DESCRIPTION COMPATIBI MESSAGE LITY MIDI channel n 0 15 note ON kk 1 127 velocity vv 1 127 vv 0 means NOTE OFF vv is don t care PITCH BEND Enh bl bh Pitch bend as specified by bhibl 14 bits GM Maximum swing is 1 tone power up Can be changed using pitch bend sensitivity Center position is 00h 40h PROGRAM Cnh pp Program patch change Specific action on channel 10 n 9 select GM GS CHANGE 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 CHANNEL Dnh vv vv pressure value Effect set using Sys Ex 40h 2nh 20h 26h MIDI AFTERTOUCH MIDIRESET FFh Rexttopowrupcondtion SS S Sustain damper pedal Sostenuto pedal CTRL 80 Bnh 50h vv Reverb program vv 00h to 07h default 04h DREAM 00h Rooml Olh Room2 02h Room3 03h halll 04h Hall2 05h Plate 06h Delay 07h Pan delay CTRL 81 Bnh 51h vv Chorus program vv 00h to 07h default 02h
15. __ 103 07 104 9 7 LL 106 7 __ SeaShore Notes ci No sound Blank Same sound as Standard Set EXC Sounds with same EXC number are mutually exclusive 33 dream 5 NRPN 0375Fh Effect on off Polyphony selection Midi message code in hexadecimal BOh 63h 37h BOh 62h 5Fh BOh 06h vv Each bit of vv byte is used for selecting an effect ON or OFF as following Ts RES EE RR IRSE a 0 REV OM 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 34 dream The table below shows some possible NRPN 375F values with their impacts on polyphony NRPN 375F REV Spatia EQ MI ECH POL Comment Y Effect VV R C 000010000 00h OFF OFF OFF OFF
16. ading the data in DATAS register 0 0 TE goes 101 and IRQ is low again RF Receiver full If 0 then SAM2695 is ready to accept CONTROL DATA from host However minimum time between two consecutive writes must be 3 5 us 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 mode 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 e 3Fh to switch to parallel mode SAM2695 is acknowledging 3Fh control by sending to host FEh in DATA8 register e 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 e FFh parallel mode reset switch back to serial mode e 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 m
17. all2 05h Plate 06h Delay 07h Pan delay G SYSEX FOh 41h 00h 42h 12h 40h 01h 31h vv xx Reverb character default 04h G F7h SYSEX FOh 41h 00h 42h 12h 40h 01h 33h vv xx Reverb master level G F7h F7h SYSEX FOh 41h 00h 42h 12h 40h 01h 35h vv xx Reverb delay feedback Only if reverb number 6 or 7 delays F7h 27 cream MIDI HEX CODE DESCRIPTION COMPATIBI MESSAGE LITY FOh 41h 00h 42h 12h 40h 01h 38h vv xx Chorus type vv 0 to 7 default 02h F7h 00h Chorus 1 01h Chorus2 02h Chorus3 03h Chorus4 04h Feedback 05h Flanger 06h Short delay 07h FB delay SYSEX FOh 41h 00h 42h 12h 40h 01h 3Ah vv xx Chorus master level GS F7h GS SYSEX FOh 41h 00h 42h 12h 40h 01h 3Bh vv xx Chorus feedback F7h SYSEX FOh 41h 00h 42h 12h 40h 01h 3Ch vv Chorus delay F7h F7h SYSEX FOh 41h 00h 42h 12h 40h Olh 3Eh vv Chorus depth F7h SYSEX FOh 41h 00h 42h 12h 40h I ph 02h nn xx MIDI channel to part assign p is part 0 to 15 nn is MIDI channel 0 GS F7h 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 SYSEX FOh 41h 00h 42h 12h 40h Iph 15h vv xx Part to rhythm allocation p is part 0 to 15 vv is 00 sound part or GS F7h 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 dru
18. ano 2 E Piano2 Organ 2 Church Org Coupled Hps Clav Synth Brass2 Synth Bass2 Syn Calliope Atmosphere Ice Rain Charang Tremolo Str Viola Harp Chorus Gt Fingered Bs Slap Bs 2 Flute Pan Flute Baritone Sax English Horn Muted Trumpet French Horn Vibraphone Glockenspiel Koto Whistle Melo Tom Taiko Tinkle Bell Helicopter Piano 3 Detuned EP2 Organ 3 Church Org Coupled Hps Celesta Synth Brass3 Synth Bass3 Choir Aahs Crystal Oboe Tubular Bells Slow Strings Cello Harp Funk Gt Picked Bs Fretless Bs Piccolo Soprano Sax Clarinet Bassoon Trombone Tuba Vibraphone Tubular Bell Taisho Koto Bottle Blow Melo Tom Taiko Orchestra Hit Bowed Glass Instrument name Detuned EP 1 Honky Tonk Detuned Or 1 Accordion Fr Clav Celesta Synth Brass4 Synth Bass4 Bowed Glass Bag Pipe Pan Flute Square Wave Pizzicato Str Cello Nylon str Gt Sitar Fretless Bs Fretless Bs Piccolo Alto Sax Clarinet Harmonica Trombone Brass Kalimba Xylophone Shakuhachi Pan Flute Synth Drum Reverse Cym Telephone Ice Rain 31 cream 4 3 DRUM SET TABLE MIDI CHANNEL 10 Prog 1 Prog 17 Prog 49 Prog 128 STANDARD SET POWER SET ORCHESTRA CM 272 081 Closed Hi Hat EXC1 28 _ Pedal Hi Hat EXC1 29 14 J Cd Open Hi Hat EXC1 PT Ride Cymbal 31 61 4 34 A cl cao if ___ 35 B1 Kickdrum2 azz BD 2 Kick drum 36 C2
19. d high 8 1 PIN STATUS POWER DOWN Table below shows the status of each pin in Normal mode RST PD High and in Power down mode RST PD Low Status i in Normal mode Status i in Power down mode o 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 Power 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 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 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 cream 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 VCMHPOUT dream 10 3 HEADPHONES OR LINE OUTPUT HEADPHONES or LINE OUT STEREO 10 4 MICROPHONE INPUT MIKE IN 1 MICIN dream 11 RECOMMENDED BOARD LAYOUT Like all HCMOS high integration ICs following simple rules of board layout is mandatory for rel
20. dream SAM2695 LOW POWER SINGLE CHIP SYNTHESIZER WITH EFFECTS AND BUILT IN CODEC a Single chip all in one design MIDI control processor serial and parallel interface Synthesis General MIDI wavetable implementation General MIDI compatible effects reverb chorus O 0 0 0 0 0 00 Spatial Effect 4 band stereo equalizer Stereo DAC DR 8605 typ THD N 75dB typ Mike input DR 86dB typ THD N 75dB typ Mike echo a 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 a Audio stereo line output karaokes O la Low power o 18 MA typ Operating 17 uA typ Power down Single 3 3V power supply MIDI IN SAM2695 Parallel MIDI Typical applications battery operated musical keyboards portable phones QFN48 6 x 6mm package small footprint small pin count Audio Out Typical hardware configuration 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 dream 1 PIN DESCRIPTION 1 1 PINS BY FUNCTION 48 lead QFN Package indicates a 5 volt tolerant Input or I O pin pra prs indicates driving capability at VOL see 4 D C CHARACTERISTICS Power supply gro
21. eceive MIDI messages 35 dream 6 CODEC CONTROL SYSTEM EKCLUSIVE A system exclusive is implemented for writing a 16 bit value in any internal port of SAM2695 Midi message code in hexadecimal FOh 00h 20h 00h 00h 00h 12h 33h 77h pp vv3 vv2 vv1 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 FOh 00h 20h 00h 00h 00h 12h 33h 77h 56h ODh 03h 05h 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 14 138 12 11 130 9 8 7 6 5 4 3 2 1 9 ADC IN 64 1 65 1 ING3 ING2 1461 1460 DAC DAC OUTG5 OUTG4 OUTG3 OUTG2 OUTG1 OUTGO0 MUTE MUTE MUTE SEL Reset Default Value 1B79h 0 65 i 9 6 9 i Sytem exclusive restoring port 18 12h to default 00h 20h 00h 00h 00h 12h 33h 77h 12h 01h OBh 07h 09h xx F7h PORT ADDRESS 20 14h CODEC CONTROL 1 15 14 13 12 11 110 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 RSVO Reset Default Value 077Dh
22. erb 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 EA 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 CONTROL Parameters Data Action HighlLow NAME 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 17 dream EOUALIZER DEVICE NRPN CONTROL NAME Parameters Data Action EQ xxx Band level 00h 20h 40h 60h 7Fh 12dB 6dB OdB 6dB 12dB Default 60h 6dB fo
23. everb chorus use standard reverb chorus midi system exclusive messages listed in paragraph 3 Detailed MIDI implementation NRPN Description rd HighlLow caut 3700h Equalizer Low band bass 0 12dB 40h 0dB 7Fh 12dB 3701h Equalizer Med Low band 0 12dB 40h 0dB 7Fh 12dB Equalizer Med High band 0 12dB 40h 0dB 7Fh 12dB Equalizer High band treble 0 12dB 40h 0dB 7Fh 12dB 7Fh Equalizer Med Low cutoff freq OZ0Hz 7Fh 4 2 kHz Clipping mode select clip 7Fh hard clip 3715h General MIDI reverb send send 40h default send 7Fh max 3716h General MIDI chorus send send 40h default send 7Fh max 40h 3718h Post effects applied on GM 0 Post effects not applied 1 7Fh 7Fh Post effects applied 1 3719h Post effects applied on Mike 0 Post effects not applied 1 00h 7Fh Post effects applied 1 371Ah Post effects applied on Reverb Chorus 0 Post effects not applied 1 7Fh 7Fh Post effects applied 1 00h General MIDI volume 0 to 7Fh 7 Oh 40h 40h 7Fh Mike Echo time O shortest to 7Fh longest 380ms 2Bh Mike Echo feedback feedback to 7Fh maximum feedback 42h Spatial Effect delay 2 O shortest to 7Fh longest 1Dh 00h 00h 00h 00h 3733h Slave2 Echo volume left 0 to7Fh see appendix 00h 15 cream 3734h Master Echo volume right 0 to7Fh see appendix 3735h Master Echo volume left 0 to7Fh see appendix 3751h Auto test Seesection7 O S __ 3757h System Exclusive Device ID 0 t
24. gh pass filter control 0 High pass filter disabled Default 1 High pass filter enabled 38 dream CODEC BLOCK DIAGRAM Digital Interpolation Filter Digital Interpolation Filter Digital Digital Audio Audio Bus Interface High Pass Filter Digital Sigma Delta Modulator Digital Sigma Delta Modulator Digital Decimation Filter DACMUTE DACMUTE ADCMUTE Sigma Delta Modulator SAM2695 DACSEL OUTG 5 0 Ple 6 to 40dB 1dB step 43 5 58 5dB DACSEL OUTG 5 0 6 to 40dB 1dB step 43 5 58 5dB INMUTE ING 5 0 MICBT 36 to 27dB 1dB step 0 20dB Voltage Reference VCMHPOUT AOUTR AOUTL LJ MICIN VCM 39 dream 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 40 dream 8 APPENDIX 8 PC Name 4 Pino 5 6 H Pino2 9 10 Gocnspel MusicBox 15 TubuerBels 19 Rock Organ 20 Church Organ 22 Accordion french 24 Tango Accordion 31 Distortion Guitar
25. h 62h rr 06h vv Chorus send level of drum instrument note rr vv 00 to 7Fh NRPN 37xxh Bnh 63h 37h 62h xx 06h vv Special Synthesis features controls see 2 1 DREAM SYSEX FOh 00h 20h 00h 00h 00h 12h 33h 77h pp Write into port pp 16 bit value see 6 DREAM vv2 vvl vv0 xx F7h pp port number 0 to 7Fh vv 16 bit value nibble 0 to Fh vv3 highest nibble to vv0 lowest nibble Standard Sysex FOh 7Eh 7Fh 09h 01h F7h General MIDI reset Standard Sysex FOh 7Fh 7Fh 04h 01h 00h Il F7h Master volume 1 0 to 127 default 127 SYSEX FOh 41h 00h 42h 12h 40h 00h 00h dd dd dd Master tune default dd 00h 04h 00h 00h 100 0 to 100 0 cents dd xx F7h Nibblized data should be used always four bytes For example to tune to 100 0 cents sent data should be 00h 07h OEh 08h SYSEX FOh 41h 00h 42h 12h 40h 00h 04h vv xx Master volume default vv 7Fh F7h SYSEX FOh 41h 00h 42h 12h 40h 00h 05h vv xx Master key shift default vv 40h no transpose F7h SYSEX FOh 41h 00h 42h 12h 40h 00h 06h vv xx Master pan default vv 40h center F7h G G G F7h SYSEX FOh 41h 00h 42h 12h 40 01h 10h 1 vv2 Voice reserve GS vv4 vv5 vv6 vv7 vv8 vv9 vv10 11 vv l Part 10 Default vv 2 vv12 vv13 vv14 vv15 vv16 xx F7h vv2 to vv10 Part 1 to 9 Default vv 2 vv11 to vv16 Part 11 to 16 Default vv 0 SYSEX FOh 41h 00h 42h 12h 40h 01h 30h vv xx Reverb type vv 0 to 7 default 04h F7h 00h Room1 01h Room2 02h Room3 03h Halll 04h H
26. iable operations e 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 10uF close to OUTVC12 pin Each VD33 and VA33 pin requires 0 1uF An additional 10uF T capacitor should be placed on VD33 close to the crystal Decoupling capacitors should be implemented close to the IC e 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 e DO D7 Bus A ground plane should be implemented below the DO D7 bus which connects both to the host and to the SAM2695 GND e 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 dream SAM2695 USER S MANUAL 1 PARALLEL AND SERIAL MIDI MODES The SAM2695 can be controlled both from the parallel interface DO 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 address Write from host Read to host DATA8 DATA8 CONTROL STATUS Status Register TE Transmit empty If 0 data from SAM2695 to host is pending and IRQ is high When host is re
27. iddle of a MIDI data flow dream The following diagram illustrates serial and parallel mode DATAS IN from Host SYNTHESIS Serial MIDI IN DATAS OUT to Host Serial Mode DATAS IN from Host L gt SYNTHESIS Serial MIDI IN DATAS OUT to Host ps Parallel Mode 14 cream 2 CONFIGURATION AND SPECIAL MESSAGES SAM2695 includes the following modules 4 band Equalizer Chorus effect Reverb effect Spatial effect Mike input Mike Echo Some special messages allow to set parameters for these modules Messages have two formats 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 OBOh 063h 037h NRPNlow 07h midi control 98 62h 07 07h gt midi message OBOh 062h 07h value vv midi control 6 06h vv gt midi message OBOh 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 r
28. ing the byte Analog audio group Pin name Pin Type Description MICIN Analog microphone input AOUTL Left channel audio line or headphones output AOUTR Right channel audio line or headphones output VCM 5 OUT Analog common mode voltage Should be stabilized by external capacitors 10uF 100nF to AGND VCMHPOUT Analog headphones common mode voltage buffer output dream Miscellaneous group Pin name Pin Type Description RST PD IN svr 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 RE 40 9 6 MHz or 12 MHz crystal connection An external clock can also be used on X1 clock divider When grounded it allows using 9 6MHz crystal When connected to VD33 it allows using 12MHz crystal Li A 3 3V to 1 2 V regulator output The built in regulator gives 1 2V for internal use only core supply 4 7YuF or Decoupling capacitor must be connected between OUTVC12 and GND open for normal operation I RR 43 44 1 2 PINOUT BY PIN 48 lead QFN Package Ping Signal Name Ping SignalName Pin SignalName
29. ms default MIDI channel 9 all other parts play sound SYSEX FOh 41h 00h 42h 12h 40h Iph 40h v1 v2 Scale tuning n is MIDI channel 0 to 15 v1 to v12 12 semi tones v12 xx F7h tuning values C C D A B in the range 64 00h 0 40h 63 7Fh cents This SYSEX allows non chromatic tuning of the musical scale on a given MIDI channel Default v1 v2 12 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 Mod tvf cutoff control default 40h Mod Amplitude control 100 100 default 40h F7h on all channels F7h 28 cream MIDI HEX CODE DESCRIPTION COMPATIBI MESSAGE LITY Mod Ifo1 tva depth 0 100 default 00h Bend Amplitude control 100 100 default 40h Bend 1101 tva depth 0 100 default 0h CAF Amplitude control 100 100 default 40h CAF Ifol tva depth 0 100 default 00h F7h CCI Amplitude control 100 100 default 40h CCI Ifol tva depth 0 100 default 00h F7h ECC CC2 Amplitude control 100 100 default 40h CC2 Ifol tva depth 0 100 default 00h F7h Notes GS GS S 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 29 dream 4 SOUNDS 4 1 MAIN SOUNDS GENERAL MIDI all channel
30. o 1Fh 20h all accepted 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 CONTROL NAME Parameters Data Action HighlLow 3707h MASTER VOL Data byte 0 7Fh 7Fh MASTER VOL Master volume Data range 0 7Fh Default 7Fh MIDI MESSAGES NRPN CONTROL NAME Parameters Data Action HighlLow 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 O hard left 40h center 7Fh hard right Same as GM system exclusive message 40h 00h 06h gt Default value GM PAN 40h SPATIAL EFFECT DEVICE See Block diagram in Appendix NRPN CONTROL NAME Parameters Data Action HighlLow 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 16 dream ROUTING MESSAGES NRPN CONTROL NAME Parameters Data Action HighlLow 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 Rev
31. r LB HB 40h 0dB for MLB MHB EQF_xxx Band frequency 0 7Fh linear scale Band Range Default LB 0 4 7Khz OCh MLB 0 4 2Khz 1Bh MHB 0 4 2Khz 72h HB 0 18 75Khz 40h 18 cream 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 Compatible default NRPN SYSEX Th Nrpn 3707h 10h Nrpn 3700h Uh Nrpn 3701h 12h Nrpn 3702h 13h Equalizer high band left treble 0 12dB 40h 0dB 7Fh 12dB Nrpn 3703h 14h Equalizer low band right bass 0 12dB 40h 0dB 7Fh 12dB Nrpn 3700h 15h Equalizer med low band right 0 12dB 40h 0dB 7Fh 12dB Nrpn 3701h 16h Equalizer med high band right 0 12dB 40h 0dB 7Fh 12dB Nrpn 3702h 17h Equalizer high band right treble 0 12dB 40h 0dB 7Fh 12dB Nrpn 3703h 18h Nrpn 3708h 19h Nrpn 3709h Ah Nrpn 370Ah 1Bh Nrpn 370Bh 1Ch Nrpn 3734h 1Dh Nrpn 3735h 80h Fh 25h General MIDI reverb send send 80h default send FFh max 80h Nrpn 3715h 26h General MIDI chorus send send 80h default send FFh max Nrpn 3716h 28h Mike Echo level 0 to 7Fh Nrpn 3728h 29h Mike Echo time 0 to 7Fh Nrpn 3729h Ah Mike Echo feedback 0 to 7Fh Nrpn 372Ah Nrpn 3730h Nrpn 3731h Nrpn 3732h Nrpn 3733h Nrpn 3720h N
32. rpn 372Ch 32h _ Spatial Effect input 2 O stereo 7Fh mono Nrpn 372Dh 34h Mike volume 0 to FFh Nrpn 3724h 36h _ Mike pan O left 40h center 7Fh right Nrpn 3726h 38h Nrpn 3722h 39h General MIDI pan O left 40h center 7Fh right Swichto UARTmode __ 62h Post effects applied on GM 0 Post effects not applied 1 E 7Fh Post effects applied 1 65h Post effects applied on Mike and Echo 0 Post effects not applied 1 00h Nrpn 3719h 7Fh Post effects applied 1 Post effects applied on Reverb Chorus 0 Post effects not applied 1 7Fh Nrpn 371Ah 7Fh Post effects applied 1 19 2 7h 10h dih 2h 13h 14h 15h 16h 17h 8h AA Bh ICh Dh 25h 26h 28h 29h 2Ah 2Eh 321 34h 36h 38h 39h 2Bh Ch Dh 2Eh Oh Ih cream 3 Clipping mode select O soft clip 7Fh hard clip BEh Enable Dream control stand alonemode LFFh_ Reset UART mode AAA 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 Parameters Data Action Answer NAME MASTER VOL Data byteO FFh REh Mastervolume EN CONTROL Enable dream control in stand alone mode Po RESET Reset UART mode ii UART_MOD Switch to UART mode Data FEh MASTER_VOL Master volume Data range 0 FFh Default FFh EN_CONTROL Thi
33. s 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 20 cream SPATIAL EFFECT DEVICE See Block diagram in Appendix Ctrl CONTROL Parameters Data Action Answer NAME SUR_VOL Data byte 0 FFh 0 Spatial Effect volume aerei 31h SUR_DEL Data byte 0 7Fh 1Dh Spatial Effect delay 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 Parameters Data Action Answer NAME GM_POST Data byte 0 7Fh 7Fh Post effects applied on general MIDI ee MIKECH POST _ Data byte 0 7Fh 00h _ Post effects applied on Mike and Echo 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 EA xxx EQF xxx EQU TYPE SUR VOL SUR DEL SUR INP are common for all modules Data 00h post effects not applied on mod
34. s except 10 PC Program change 1 Grand Piano1 33 AcousticBass 65 97 FX1 rain 2 Bright Piano2 34 FingerBass 66 5 98 FX 2 soundtrack 3 Grd Piano3 35 PickedBass 67 TenorSax 99 3 crystal 4 Honky tonk Piano 36 Fretless Bass 68 Baritone Sax 100 FX4 atmosphere 5 Piano1 37 SlapBasst ___ 69 Oboe 101 FX5 brightness 6 El 38 SlapBass2 70 English Hom 102 FX6 goblins 7 Harpsichord 39 SynthBass1 __ 71 Bassoon 103 7 echoes 8 _____ 40 SynthBass2 72 Clarinet 0 104 8 sci fi 9 Celesta ____ 41 Violin 73 Piccolo 105 Siar 10 Glockenspiel 42 74 Flute _______ 106 Bano 11 MusicBox 43 Cello 75 Recorder 107 12 Vibraphone _ 44 Contrabass 76 PanFlue 108 13 Marimba 45 TremoloStrings 77 BlownBottle 109 Kalimba 14 Xylophone 46 Pizzicato Strings 78 Shakuhachi _ 110 Bagpipe 15 TubularBells 47 Orchestra Harp 79 Whistle 111 Fiddle Santur ______ 48 Timpani 80 Ocarina _____ 112 Lead 1 square 113 TinkeBell 18 Percussive Organ Lead 2 sawtooth 114 Agogo Lead 5 charang i i 81 82 83 Lead 3 calliope 115 SteelDrums 84 85
35. ule Data 7Fh post effects applied on module MIDI MESSAGES Ctrl CONTROL Parameters Data Action Answer NAME GM VOL Data byte 0 FFh FFh General MIDI volume GM_PAN Data byte 0 7Fh 40h General MIDI pan 00 GM_VOL Range 0 FFh linear scale Default value GM_VOL 0FFh GM PAN O hard left 40h center 7Fh hard right Same as GM system exclusive message 40h 00h 06h gt Default value GM PAN 40h 21 cream MIKE amp ECHO DEVICE For these controls being effective Mike and Echo must first be set ON using nrpn 375Fh Ctrl CONTROL Parameters Data Action 34h MIKE VOL Data byte 0 FFh 80h Mike volume 36h MIKE PAN ____ 0 7Fh40h Mikepan AA Data byte 0 7Fh 7Fh Echo level applied on Mike 29h TIM Data byte0 7Fh 2Bh EchotimeappiedonMike 2Ah ECH FEED Data byte 0 7Fh 42h Echo feedback applied on Mike _ _ 1 ECHM RIGHT Data byte0 7Fh 7Fh Echo volume nii IDh ECHM_LEFT___ Data byte0 7Fh 7Fh Main Echo volumeleft 2Bh ECHSI RIGHT Data byte0 7Fh 00h SlavelEcho volume right J Ch ECHSI LEFT __ Data byte0 7Fh 00h SlavelEcho volume left _____ 2Dh ECHS2 RIGHT Data byte0 7Fh 00h Slave2 Echo volume right lt 2Eh_ ECHS2_LEFT__ Data byte0 7Fh 00h Slave2 Echo volume left _____ lt ECH_xxx Controls for echo applied on Mike input ECH_LEV 0 to 07Fh Defa
36. ult 7Fh ECH_TIM 0 shortest to 7Fh longest default 2Bh longest 7Fh gt 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 22 dream REVERB DEVICE Ctrl CONTROL Parameters Data Action NAME Reverb time REV_TIME Data byte 0 7Fh Reverb time REV_FEED Data byte 0 7Fh Reverb feedback 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 rooml room2 room3 halll hall2 plate delay pan delay Oh lh 2h 3h 4h 5h 6h 7h Default 4 hall2 REV_VOL Reverb volume Same as GM system exclusive message 40h 01h 33h Default values rooml room2 room3 halll hall2 plate delay pan delay 90h 90h 90h COh 90h 90h FFh FFh REV_TIME Reverb time Same as GM system exclusive message 40h 01h 34h Default values room room2 room3 hall hall2 plate delay pan delay
37. up Pin name Pin Type Description 36 45 48 All pins should be connected to a ground plane exposed die PWR DIGITAL GROUND pad 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 41 46 All VD33 pins should be returned to nominal 3 3V This pin should be connected to an analog ground plane PWR 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 svr 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 32 33 information on these pins is parallel MIDI ST Select data 0 or control 1 for write data 0 or status 1 for read IN svr Chip select active low This pin has a built in pull up It should be left unconnected if not used IN svr Read active low When CS and RD are low data A0 0 or status A0 1 is read on 00 07 Read data is acknowledged on the rising edge of RD IN svr Write active low When CS and WR are low data A0 0 or control A0 1 is written from the DO D7 bus to the SAM2695 on the rising edge of WR 42 OUT prs A rising edge indicates that a MIDI byte is available for read on 00 07 Acknowledged by read
38. xtended periods may affect device reliability 3 RECOMMENDED OPERATING CONDITIONS Parameter Min Typ Max Unit EVI 0 Parameter Low level input voltage 1 VIL High level input voltage on svr pins VIH 2 High level input voltage svr pins 2 Low level output voltage at IOL IOHLMin VOL 24 Power down supply current dream 5 DAC CHARACTERISTICS TA 25 C VA33 3 3V Parameter Min Total Harmonic Distortion Noise at 6 dB Dynamic Range 60dBFS with A Weighted Inter channel isolation 1kHz Full scale output voltage VCM Maximum allowable DC current source with and 100nF capacitors Output Gain Control 1dB steps Additional setting 1 Additional setting 2 Maximum output power in Headphones mode 6 ADC CHARACTERISTICS TA 25 C VA33 3 3V Parameter Symbol Min Typ Max Unit Unit Total Harmonic Distortion Noise THD CURE at 6 dB Dynamic Range 60dBFS with A Weighted Full scale input voltage ETTI 0 6 VA33 E 4 without boost ia a dB Input Gain with boost 2 24 _ dB Input Programmable Gain Amplifier 1dB steps 27 CC 36 dB Frequency response 3dB bandwidth 041 __ Fs MICIN input resistance with boost disabled 35 kOhm MICIN input resistance with boost enabled 00 0 35 kOm
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