() () () () () () () () DDRAM () II

液晶模块说明书 SPEC NO YM2232A REV NO. 液晶显示模块产品说明书 产品类型 : 产品型号 : 产品描述 : 标准产品 YM2232A 22x32 图形点阵模块, 控制器 :SED52,LED 背光 客户名称 : 客户确认 : 编写 : Dexun Zou 审核 : HCC 批准 : Jingxi Yang 发行日期 : 22.8 大连佳显电子有限公司 地址 : 大连市沙河口区工华街 7 号 Tel: (4)8469565 Fax: (4)8469585 网址 : http://www.good.c 邮箱 :sales@good-lcd.com

() () () () () () () () DDRAM () II

. YM2232A, ).VDD=+2.7V+5VLC D VDD-V=5.V 2.22()32() 3. 4.6 5.STN 6./32 Duty/6 Bias 7.-2 ~+6-3 ~+7 8. 2. 3. 65.8X27.2X9.267.27.28.4mm mm 54.88.3 mm 2232 dots.4.45 mm.36.4 mm

Item Symbol Standard Value Unit Condition Power supply voltage VDD ~+7. LCD driving voltage VDD~VLCD +3.5~+2. Input voltage VIN GNDV INV DD Operating temperature range Top -2~+6 Storage temperature range Tst -3~+7 V No condition Ta=~4VDD=2.7~6.V Item Symbol Standard Value Unit Power Supply VDD +2.4 ~ +6. V LCD Driving Voltage VLCD ----------- V Input High Voltage VIN.8VDDVINVDD V Output High Voltage VOH.5VDDmin V Input Low Voltage VIL VIL.2VDD V Output Low Voltage VOL.VDDmax V Power Supply Current IDD 2max ma LCD Power Supply Current ILCD 22max ua 2

Signal Parameter Symbol MIN MAX Unit Condition System cycle time Tcyc 2 -- ns A/RW Address setup time Taw 4 -- ns Address hold time Tah 2 -- ns Data setup time Tds 6 -- Data hold time Tdh 2 -- ns CL=p F D~D7 Output disable time Tch 2 2 ns Access time Tacc -- 8 ns E Enable pulse width(read) 2 -- Tew Enable pulse width(write) 6 -- ns Input wave width rise time Tr -- 5 ns LEVER VDD +5.V 2 VSS 3 VLCD ~+5V LCD 4 /RET H/L /RES 5 E H/L (MASTER) 6 E2 H/L (SLAVE) 7 R/W H/L D/I=H DB7DB 8 D/I H/L D/I=L DB7DB 9 DB H/L DB H/L DB2 H/L 2 DB3 H/L 3 DB4 H/L 4 DB5 H/L 5 DB6 H/L 3

6 DB7 H/L 7 LED+ +5.V LED 背光正极 8 LED- V LED 背光负极 VDD=+3V VLCD=~-5V INSTRCTI CODE ON R/W D/I D7 D6 D5 D4 D3 D2 D D DISPLAY ON/OFF Display Start Line Page Address set Column (seg) Address set Status Read Write Display Data Read Display / Display start Line Column address(~79) B u s y A D C ON / OFF R S T (3) PAGE: (~3) FUNCTION Switch the entire display ON or OFFregardless of the display RAM s Data or the internal status. : ON : OFF Determines the line of RAM data to be displayed at the display s top line (COM) Sets the page of the Display in the Address register(x address) Sets the column of the Display in the column address register(y address) Read status Busy :insternal operation :Ready ADC :Rightward output :Leftward RST :Reseting :Normal ON/OFF :Display on :Display off Write data Writes the data on the Data bus to RAM Read data Reads data from the Display RAM onto the Data BUS Data ADC Select / Determine the clockwise or Counterclockwise reading of the display Data RAM : Clockwise : Counterclockwise Static Drive ON/OFF Duty Ratio Select / Select the dynamic or static Driving. :Static driving : Dynamic driving / Select the duty ratio :/32 duty :/6 duty 4

Read Modify Write Increment the column Address register when writing. But no-change when reading. End Release from the Read Modify Write Mode. Reset Set the Display Start Line Register to st line, column Address count to and Page Add. Resister to. Power Save(dualco mmand) Set the power save mode by selecting display off and static driving on DDRAM Page Data Com No Drive D 2 D7 22 X 6 PLXELS D 3 6 Slave D7 22 X 6 PLXELS D 7 D7 22 X 6 PLXELS D 32 Master D7 22 X 6 PLXELS Column Addr ADC= H3C 3C H Seg No 6 6 Drive Slave Master YM2232A() (2) YM2232A 83 5VDD=+ 5

YM2232A 83 6 VDD=+ 5 ORG H INITMMOV A#E2H MOV A#AEH MOV A#A4H MOV A#A9H MOV A #AH MOV A #EEH MOV A #H MOV A #CH MOV A #AFH DISPLAY * MOV R2#B8H DIS2MOV AR2 RESET OFF DISPLAY OFF STATIC DRIVE SELECT /32 DUTY ADC SELECT RIGHTWARS OUTPUT READ MODIFY WRITE OFF COLUMN ADDRESS SET SET DISPLAY START LINE ON DISPLAY 6

MOV A#H MOV R#FH DISMOV A#55H MOV A#AAH DJNZ R DIS INC R2 CJNE R2 #BCHDIS2 MOV A #AFH DISPLAY MOV R2 #B8H DIS3MOV AR2 MOV A#H MOV R#3DH DIS4MOV A#55H LCALL OUTMD LCALL OUTSD DJNZ R DIS4 INC R2 CJIE R2#BCHDIS3 MOV A #AFH DISPLAY MOV R2#B8H 7

DIS5MOV AR2 MOV A #H MOV R #EH DIS6MOV A#H MOV A #FFH DJNZ R DIS6 MOV A #3CH MOV A #H INC R2 CJNE R2 #BCHDIS5 MOV A #AFH DISPLAY INITMCMOV DPTR#CHINESE MOV R #H MOV B#B8H DISPWORDMPUSH B MOV A B LCALL OUTST MOV A #H MOV R2 #7AH DISPWORDMOV AR MOVC A@A+DPTR LCALL OUTMD INC DPTR DEC R2 8

CJNE R2 #3DHDISPWORD MOV A #H LCALL OUTST DISPWORD2MOV AR MOVC A@A+DPTR LCALL OUTSD INC DPTR DJNZ R2 DISPWORD2 MOV R #H POP B INC B MOV A B CINZ A #BCHDISPWORDM AJMP INITM MS4 MOV R7#E8H MS2 MOV R6#FFH MS DJNA R6MS DJNZ R7MS2 RET OUT INSTRCTION T O MASTER 645 OUTMIPUSH DPH PUSH DPL MOV DPTR#6H MOVX @DPTRA POP DPL POP DPH RET OUT INSRCTION TO SLAVE 645 OUTSIPUSH DPH PUSH DPL MOV DPTR#5H MOVX @DPTRA POP DPL POP DPH RET 9

OUT DATA TO MASTER 645 OUTMDPUSH DPH PUSH DPL MOV DPTR#EH MOVX @DPTRA POP DPL POP DPH RET OUT DATA TO SLAVE 645 OUTSDPUSH DPH PUSH DPL MOV DPTR#DH MOVX @DPTRA POP DPL POP DPH RET CHINESEPAGE DB H,H DB H,8H,8H,8H,8H,8H,8H,8H,8H,8H,8H,8H,8H,8H,COH,8H, DB,,H,88H,C4H,23H,4H,42H,42H,42H,42H,42H,C2H,43H,62H,4H, DB,,,F8H,8H,CH,OAH,9H,8H,8H,8H,8H,8H,FCH,8H,, DB,8H,EEH,8AH,OFAH,AAH,AEH,8H,24H,E3H,B6H,AAH,B6H,E2H,2H,2H, DB,,,,,,,,FFH,2H,2H,2H,3H,2H,,, DB,4H,44H,54H,54H,54H,54H,54H,7FH,54H,54H,54H,54H,56H,44H,4H, DB,4H,42H,42H,42H,42H,42H,42H,FEH,42H,42H,42H,42H,43H,62H,4H, B PAGE DB, B,,,,,,,,,,,,,,,, DB,2H,H,,FFH,,,,,,4H,8H,7FH,,,, DB,,,7FH,2H,2H,2H,2H,2H,2H,2H,2H,2H,7FH,,, DB,,4H,4H,5H,52H,53H,56H,5AH,52H,5AH,56H,9H,9H,78H,H, DB,4H,4H,4H,4H,4H,4H,4H,7FH,4H,4H,4H,4H,4H,6H,4H, DB,,,,FFH,5H,5H,5H,5H,5H,55H,95H,7FH,,,, DB,8H,8H,4H,2H,H.CH,3H,,3H,CH,H,2H,4H,CH,4H, DB PAGE2 DB, DB,2H,2H,F2H,2H,2H,FEH,2H,2H,2H,FEH,2H,2H,F2H,3H,2H, DB,,,,FCH,4H,4H,4H,4H,4H,4H,4H,FEH,4H,,,

DB,2H,2H,24H,24H,24H,3FH,24H,E4H,24H,3FH,24H,24H,24H,3H,2H, DB,4H,E4H,24H,E4H,4H,E4H,26H,E4H,,FCH,6H,55H,84H,7CH,, DB,,FCH,4H,4H,FCH,4H,,FCH,6H,5H,44H,84H,7EH,4H,, DB,,4H,4H,55H,C9H,4H,5FH,6H,4H,55H,C9H,4H,5FH,4H,, DB,H,DH,FFH,9H,H,FEH,2H,2H,F9H,,FEH,2H,2H,FFH,2H, DB PAGE3 DB, DB,,,FFH,8H,4H,3H,4H,8H,4H,3H,44H,98H,7FH,,, DB,,8H,4H,23H,H,9H,H,H,H,9H,H,23H,6H,CH,, DB,,8H,8H,5FH,55H,35H,5H,FH,5H,35H,35H,5FH,4H,8H,, DB,,7FH,2H,7FH,,7FH,2H,7FH,H,3H,2H,AH,52H,82H,7EH, DB,,OFH,4H,4H,FH,H,H,3H,2H,2H,AH,52H,82,7FH,2H, DB,8H,8H,AH,9H,8H,9H,AH,FCH,AH,9H,8H,9H,AH,8H,8H, DB,H,,FFH,,H,8FH,44H,22H,FH,,FFH,8H,H,FH,, DB