LM1095R-2 - topwaydisplay.com
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1. N 1 0 Descriptions o Name 1 VOUT Power Power Booster Output for VO 2 VO Input LCD Contrast Reference Input 3 VDD Power Positive Power Supply 4 VSS Power OV Power Supply GND 9 BUSY Output Controller busy signal MCU should poll this signal before accessing the LCD module 6 NC No connection leave open 7 ICS Input Chip Select Signal CS LOW Data IO is enabled 8 RS Input Register Select RS HIGH data on DBO to DB7 is display data RS LOW data on DBO to DB7 is control data 9 IWR Input Write enable input active LOW 10 RD Input Read enable input active LOW 11 DBO 0 8 bit bi directional data bus 18 DB7 19 RST Input Reset Signal RST L Reset the LCD Module RST H Normal Running 20 BLA Power Positive Power Supply for LED backlight Note For enable BUSY output the REG A0 DO D1 D2 or D3 should be set to hi URL www topwaydisplay com www topwaysz com Document Name LM1095R 2 Manual Rev0 1 doc Page 4 of 12 TOPWAY LCD Module User Manual LM1095R 2 2 Absolute Maximum Ratings Items Symbol Min Max Unit Condition Supply Voltage Vpp 0 5 5 V Vss OV Input Voltage Vin Vss 0 3 Vppt 0 3 V Vss OV Operating Temperature Top 20 70 C No Condensation Storage Temperature Tst 30 80 C No Condensation Cautions Any Stresses exceeding the Absolute Maximum Ratings may cause sub2. SR Software Reset 1 reset all register except DDRAM 0 normal operation CG Display mode selection 1 Character Mode 0 Graphic Mode DP Display on off control 1 normal display O display off BK Full screen blinking control 1 blinking blink time is set by CBTR O normal DV Full screen inverse control 1 normal O inversed CKN Clock output Control not applicable 1 enable O disable PLR Interrupt and Busy Polarity not applicable 1 active High O active low CKB1 CKBO Clock Speed Selection 00 3MHz 01 4MHz 10 8MHz 11 12MHz SP1 SP0 ROM RAM reading speed 00 speed0 01 speed1 10 speed2 11 speed3 ORA Font ROM Readable 1 enable 0 disable SRFS Scrolling Reset for Start 1 enable O disable DADR Display RAM Order byte 1 reverse 0 normal AUCM Common Auto Scrolling 1 enable O disable AUSG Segment Auto Scrolling 1 enable 0 disable Common or Segment Scrolling Selection 1 Segment Scrolling O Common Scrolling ARI Auto increase Cursor Position in reading DDRAM operation 1 enable O disable ALG Chinese English char alignment 1 enable O disable WDI Store Current Data to DDRAM 1 directly O invertly WBC Set Bold font char mode only 1 bold 0 normal AIX Auto increase Cursor Position in writing DDRAM operation 1 enable O disable CP Cursor display control 1 on O off CK Cursor blink control 1 blinking O no blinking CSD Set cursor width 1 auto adjust O fix width CR3
3. CRO Cursor Height 2 DY3 DY0 Line Distance URL www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 8 of 12 TOPWAY LCD Module User Manual LM1095R 2 Register Table Summary cont Descriptions GIM Graphic Mode Cursor Auto Shifting Direction 1 Horizontal then Vertical 0 Vertical then Horizontal RM2 RMO Display Layer Selection 001 page1 only 010 pagez2 only 011 combine two layer 000 gray scale mode 110 extended mode1 111 extended mode2 OP1 OP2 two layer mode setting 00 OR 01 XOR 10 NOR 11 AND WM1 WM0 Layer Read Write Selection 00 page0 01 page1 10 page2 11 page1 amp page2 at the same time X5 X0 Active Window Right Register A5 A0 Display Window Right Register e Y7 Y0 Active Window Bottom Register B7 BO0 Display Window Bottom Register B5 B4 B3 B2 BO SS5 SS0 Active Window Left Register C5 SS5 C4 SS4 C3 SS3 C2 SS2 CO SSO C5 C0 Display Window Left Register SC7 SCO0 Active Window Top Register D5 SC5 D4 SCA D3 SC3 D2 SC2 D1 DO SCO D7 DO0 Display Window Top Register RS5 RSO Cursor Poison X Register DS5 DSO0 Segment Start Position of Scrolling Mode RC7 RCO Cursor Position Y Register CB7 CBO Common Start Position of Scrolling Mode CD7 CDO Common Ending Position of Scrolling Mode BT7 BTO Cursor
4. Control Value EOh FD7 FDO Pattern Data Register Display Times of Gray Mode FOh TNS FD7 DZEN BNK FD6 RMO FD4 DAC4 FDA FD3 ASC FD2 DAC2 ABSO FDO DACO TNS External Char ROM 1 enable O disable BNK ROM BANK Selection 1 Lower 256k ROM O upper 256k ROM RM1 RMO Font ROM Translate 00 GB 256k 01 BIG5 512k 102GB 512k FDA Fill Data to DDRAM 1 fill data to DDRAM enable 0 no action ASC Font ROM range select 1 decode as ASCII O auto ABS1 ABSO ASCII Block Selection 00 map to ASCII block 0 01 map to ASCII block 1 10 map to ASCII block 2 11 map to ASCII block 3 Note 1 It is suggested to check the BUSY before sending the Control Data FH1 FV0 Font Horizontal Size 00 1x 0122x 10 3x 11 4x FV1 FVO Font Vertical Size 00 1x 01 2x 1023x 11 4x 2 For the details please refer to RA8803 Data sheet URL Document Name LM1095R 2 Manual Rev0 1 doc Page 10 of 12 www topwaydisplay com www topwaysz com TOPWAY LCD Module User Manual LM1095R 2 4 6 Initialization Setting Example The following setting should be issue to LCD module after hardware reset It is a basic example only it could be adjusted if necessary Register Register Value Add Name binary Note 00h WLCR 1100 1101 Power Mode Normal Mode Software Reset Normal Operation Display mode Character Mode Display on off control normal display Full sc
5. aa aaa beue eat eee vea hax Tee Ec une Y T ETe e n e nuage vs 8 Initialization Setting Example sssssssssssssessseseseeeeeenen enne erem nne n nnne nennt niin eres 11 Design and Handling Precaution uiis cacs ease rk api dado nbus erba evil nS dax EE br FO Ub IdE d RE Gd I bra dada ERR Ri 12 www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 2 of 12 TOPWAY LCD Module User Manual LM1095R 2 1 Basic Specifications 1 1 Display Specifications 1 LCD Display Mode STN Negative Transmissive 2 Display Color Display Data 1 Dark Gray 1 Display Data 0 Light Gray 2 3 Viewing Angle 6H 4 Driving Method 1 128 duty 1 12 bias 5 Backlight White LED backlight Note 1 Color tone may slightly change by Temperature and Driving Condition 2 The Color is defined as the inactive background color 1 2 Mechanical Specifications 1 Outline Dimension 92 7 x 72 0 x 8 7MAX see attached Outline Drawing for details 1 3 Block Diagram BLA LED Backlight Circuit 2 LCD Panel Gz 192 x 128 pixels E O z mal re m SEGMENT U 99 Driver Os VDD VSS dz RA8803 VOUT VO amp or equivalent DBO DB7 RS RD WR BUSY CS RST URL www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 3 of 12 TOPWAY 1 4 Terminal Functions LCD Module User Manual LM1095R 2 Pin Pin
6. Blink Time Register BT4 CD4 CB4 RC4 D84 RS4 BT3 CD3 CB3 RC3 DS3 RS3 BT2 CD2 CB2 RC2 DS2 RS2 BTO CDO CBO RCO DSO RSO 0 BT5 CD5 CB5 RC5 DS5 RS5 0 BT7 CD7 CB7 RC7 0 BT6 CD6 CB6 RC6 1 1 1 1 Frame Rate Polarity Change at Common 4A Register CK7 CKO Shift Clock Control Register CK7 CK6 CK5 CK4 CK3 CK2 CKO Reserved INK Key Scan Interrupt Flag read only 2 1 detected 0 not detected INT Touch Panel detect read only 1 touched O untouched INX Cursor Column status read only 1 equal to INTX 0 not equal to INTX INTY Cursor Row status read only 1 equal to INTY 0 not equal to INTY MSZ Key Scan Interrupt output and BUSY output 1 enable key scan interrupt O disable key scan interrupt MSA Touch Panel interrupt output and BUSY output 1 enable O disable MSX INTX event interrupt output and BUSY output 1 enable O disable MSY INTY event interrupt output and BUSY output 1 enable O disable any bit of DO D3 set to 1 could enable the busy signal output URL www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 9 of 12 LCD Module User Manual LM1095R 2 TOPWAY Register Table Summary cont Reg Add Descriptions Ath not applicable KDTO D4 KEN Key Scan Enable Bit 1 enable O disable KSZ Key Scan Matrix Selection 1 4x4 0 8x8 KDT1
7. D5 D4 D3 D4 D3 D2 D1 DO 1 2 2 2 3 2 42 5 2 188 2 1892 1902 1912 1922 D7 D6 D5 D4 D3 D4 D3 D2 D1 DO 1 3 2 3 3 3 4 3 5 3 188 3 1893 1903 1913 1923 D7 D6 D5 D4 D3 D4 D3 D2 D1 D0 1 126 2 126 3 126 4 126 5 126 188 126 189 126 190 126 191 126 192 126 D7 D6 D5 D4 D3 D4 D3 D2 D1 DO 1427 2 127 3 127 4 127 5 127 188 127 189 127 190 127 191 127 192 127 D7 D6 D5 D4 D3 D4 D3 D2 D1 DO 1 128 2 128 3 128 4 128 5 128 188 128 189 128 190 128 191 128 192 128 D7 D6 D5 D4 D3 D4 D3 D2 D1 DO Pixel mapping Top View Based on the top view of the LCD module the 1 1 x y pixel is the upper left pixel the 192 128 x y pixel is the lower right pixel Note 1 URL www topwaydisplay com www topwaysz com For the details of memory mapping please refer to RA8803 datasheet Document Name LM1095R 2 Manual Rev0 1 doc Page 7 of 12 TOPWAY LCD Module User Manual LM1095R 2 4 4 Control Data and Command The LCD module setting is controlled by the internal Register Values The Register Address and Register Value should be issued in sequence and they are addressed as Control Data A full command sequence should be as follow Data DBO0 DB7 Register Address Register Value Descriptions PW1 PWO Power Mode 11 Normal Mode 00 Off Mode
8. KDTO Key Scan Data Sampling Times 00 2xFRM 01 4xFRM 10 8xFRM 11 16xFRM KF2 KFO0 Key Scan Frequency Selection 000 2xFRM 001 4xFRM 010 8xFRM 011 16xFRM 100 32xFRM 001 64xFRM 010 128xFRM 011 256xFRM A2h not applicable KC7 KCO Key Scan Output A3h not applicable KR7 KC7 KR6 KC6 KR7 KRO Key Scan Data Input BOh not applicable IX5 KR5 KC5 IX4 KR4 KC4 IX3 KR3 KC3 IX2 KR2 KC2 IXO KRO KCO IX5 IX0 Interrupt Column Setup Register B1h not applicable IY5 IY4 l I Y3 Y2 YO IY7 1YO Interrupt Row Setup Register COh not applicable SCAN AS3 8 AZEN Touch Panel Function 1 enable O disable AZOE Touch Panel Data Output 1 enable O disable SCAN Touch Panel Scan 1 enable O disable AS3 ASO Touch Panel Control Bits Cih not applicable ARDY AF1 FAO ARDY ADC Data Convert State 1 convert complete 0 convert incomplete ADET Touch Event Indicate 1 touched Ozuntouched C8h not applicable TPX9 TPX5 TPX4 TPX9 TPX2 Touch Panel Segment data D9 D2 C9h not applicable TPY9 TPY5 TPY4 TPY9 TPX2 Touch Panel Common data D9 D2 CAh not applicable TPX1 TPY1 TPYO TPX1 TPXO Touch Panel Segment data D1 D0 TPY1 TPYO Touch Panel Common data D1 D0 DOh not applicable DAC3 DZEN LCD contrast control 1 disable O enable DAC4 DACO LCD Contrast
9. LM1095R 2 LCD Module User Manual Shenzhen TOPWAY Technology Co Ltd Descriptions Release Date New release 2006 08 17 URL www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 1 of 12 TOPWAY LCD Module User Manual LM1095R 2 Table of Content URL Basic SPeCiTiCatlonS tL 3 Display SpecifiCatiOris e ten ot rer Ri ERR ERR NR ERREUR ER KERA NR E KR Xa MR NU ANE Rea ERRARE ERR NATAS ERA 3 Mechanical Specifications nsise i aa A EATE rsen enhn nemen nest einen nenne 3 slfere SIBI Ter 3 LORMINAl gelo P 4 Absolute Maximum Ratiligs uei cicer tror ren ix senses b EEER qa rta vacamaE EH YER FIR Mu EEK E ECKE DE dS ERE FREE 5 Electrical Characteristics 2c o eee iue i ninni oo ee eere ones Ie se ec ore Pago arnari ninina ia 5 DC CharactenistiGs wi pe 5 LED Backlight Circuit Characteristics eseseeenene ener 5 AC Characteristics S 6 Function Specifications eeeeees iei eiee esee eee ee eene ne nnne n nnn nnnn nns nnns nns anns ana sana n nenna 7 Adjusting the Display Contrast ssssssssesseeene eene enne enne nennen nnne en nns 7 Resetting the AE eb 7 IBI eIc Vas cop 7 Control Datacand Command cett ee port te te teet Fede Re Eua Ee Rene RETRO Ee Lee uae nhe FREE e dee d 8 Register Table Summary aiiin ener treo ene aaa aaea
10. M1095R 2 Manual Rev0 1 doc www topwaysz com Page 11 of 12 TOPWAY LCD Module User Manual LM1095R 2 5 Design and Handling Precaution URL The LCD panel is made by glass Any mechanical shock eg dropping form high place will damage the LCD module 2 Do not add excessive force on the surface of the display which may cause the Display color change abnormally 3 The polarizer on the LCD is easily get scratched If possible do not remove the LCD protective film until the last step of installation 4 Never attempt to disassemble or rework the LCD module 5 Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol Other solvents eg water may damage the LCD 6 When mounting the LCD module make sure that it is free form twisting warping and distortion 7 Ensure to provide enough space with cushion between case and LCD panel to prevent external force adding on it or it may cause damage to the LCD or degrade the display result 8 Only hold the LCD module by its side Never hold LCD module by add force on the heat seal or TAB 9 Never add force to component of the LCD module It may cause invisible damage or degrade of the reliability 10 LCD module could be easily damaged by static electricity Be careful to maintain an optimum anti static work environment to protect the LCD module 11 When peeling off the protective film from LCD static charge may cause abnormal display pattern It is normal and will resume to n
11. ess Time tacc8 413 Ns Output disable Time toh8 13 Ns Note 2 System clock 8MHz RS CS WR RD DB0 DB7 Write DBO DB7 Read tow8 tcyc8 tcc8 tds8 ui un 1 Input signal rise fall time should be less than 20ns fo tah8 tdhs Bus Timing Diagram 3 3 4 Reset Timing Vss 0V Vpp 5 0V Top 25 C Item Symbol MIN TYP MAX Unit Reset Time trst 320 ms Reset LOW pulse width trsth 65 ms trst RST trsth Internal Status URL www topwaydisplay com www topwaysz com Reset Timing Diagram Document Name LM1095R 2 Manual Rev0 1 doc Page 6 of 12 Normal Running End of Reseting TOPWAY LCD Module User Manual 4 Function Specifications 4 1 Adjusting the Display Contrast A Variable Resistor must be connected to the LCD module for providing a reference to VO Adjusting the VR will result the change of LCD display contrast The recommended value of VR is 25k to 50k H LCD module VSS VOUT 4 2 Resetting the LCD module The LCD module should be initialized by using RST terminal LM1095R 2 While turning on the VDD and VSS power supply maintain RST terminal at LOW level After the power supply stabilized release the reset terminal RST HIGH 4 3 Display Pixel Map 1 1 2 1 3 1 41 5 1 188 1 189 1 190 1 191 1 192 1 D7 D6
12. ormal in a short while 12 Take care and prevent get hurt by the LCD panel sharp edge 13 Never operate the LCD module exceed the absolute maximum ratings 14 Keep the signal line as short as possible to prevent noisy signal applying to LCD module 15 Never apply signal to the LCD module without power supply 16 IC chip eg TAB or COG is sensitive to the light Strong lighting environment could possibly cause malfunction Light sealing structure casing is recommend 17 LCD module reliability may be reduced by temperature shock 18 When storing the LCD module avoid exposure to the direct sunlight high humidity high temperature or low temperature They may damage or degrade the LCD module www topwaydisplay com Document Name LM1095R 2 Manual Rev0 1 doc www topwaysz com Page 12 of 12
13. reen blinking control normal no blinking Full screen inverse normal no inverse 0010 1001 Auto increase Cursor Position in reading DDRAM operation disable Chinese English char alignment disable Store Current Data to DDRAM directly Set Bold font char mode only normal Auto increase Cursor Position in writing DDRAM operation enable Cursor display control off Cursor blink control no blinking Set cursor width auto adjust 0001 0000 Cursor Height 1 Line Distance 0 0001 0111 Active Window Right Register 17 0001 0111 Display Window Right Register 17 0111 1111 Active Window Bottom Register 7F 1000 0000 Display Window Bottom Register 80 0000 0000 Active Window Left Register 00 0000 0000 Display Window Left Register 00 0000 0000 Active Window Top Register 00 0000 0000 Display Window Top Register 00 0100 0000 Frame Rate Polarity Change at Common_A Register 0000 1101 Shift Clock Control Register set to 69Hz when system clock 3MHz 0000 1000 Enable the BUSY output with Key Scan Interrupt output 1010 0000 External Char ROM enable ROM BANK Selection upper 256k ROM Font ROM Translate GB Fill Data to DDRAM no action Font ROM range select auto ASCII Block Selection map to ASCII block 0 Note Others un mentioned register are using its hardware reset default value URL www topwaydisplay com Document Name L
14. stantial damage to the device Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability 3 Electrical Characteristics 3 1 DC Characteristics Vss 0V Vopp 3 3V Top 25 C Items Symbol MIN TYP MAX Unit Applicable Pin Operating Voltage Vop 3 0 3 3 3 6 V VDD Input High Voltage Vn 0 8xVDD VDD V Esse Input Low Voltage Vin VSS O1xVDD V fene UWR RDS Operating Current lop 20 0 50 0 mA VDD 3 2 LED Backlight Circuit Characteristics VSSz0V Ifa A785mA Top 25 C Items Symbol MIN TYP MAX Unit Applicable Pin Forward Voltage VfeLa 3 3 V BLA Forward Current IfsLa 85 110 mA BLA Cautions Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime URL BLA VSS www topwaydisplay com www topwaysz com No of LED 5pcs Document Name LM1095R 2 Manual Rev0 1 doc Page 5 of 12 TOPWAY 3 3 AC Characteristics LCD Module User Manual Vss 0V Vpp 5 0V Top 25 C LM1095R 2 Item Symbol MIN TYP MAX Unit Address Hold Time tah8 13 Ns Address Setup Time taw8 79 Ns System Cycle Time tcyc8 1000 Ns Strobe Pulse Width tcc8 500 Ns Data Setup Time tds8 79 Data Hold Time tdh8 13 Ns Data Acc
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