YM12232B. :(0411) (0411)

Size: px

Start display at page:

Download "YM12232B. :(0411) (0411)"

Milton Strickland
5 years ago
Views:

1 YM2232B :(4) (4)

2 () () () () () (2) () (2) () (3) () (3) () DDRAM (4) () (4) () (5) I

3 .. () STN ; (2) : ; (3) :6 ; (4) :/32 Duty,/6 Bias 2 () : ; (2) :2232 ; (3) :.36(W).4(H) (MM); (4) :.4(W).45(H) (MM) 3. LEVER VDD +35V 2 VSS V 3 VLCD +5V OR LCD -5V VDD=+3V,VLCD -5V 4 RES H/L ( ) 5 E H/L 6 E2 H/L ) 7 R/W H/L D/I=H DB7DB 8 A 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 6 DB7 H/L 7 VLED+ -- LED(+5V)EL 8 VLED- -- LED(V)EL. : Item Symbol Standard Value Unit Condition Power supply voltage VDD ~+7. LCD driving voltage VDD~VLCD ~+2. V Input voltage VIN VNDVINVDD Operating temperature range Top ~+4 Storage temperature range Tst -~+6 No condition

4 . Ta=~4 VDD=2.7~4.5V Item Symbol Standard Value MIN TYP MAX Unit Power Supply VDD V LCD Driving Voltage VLCD V Input High Voltage VIH.8VDD VDD V Output High Voltage VOH.5VDD V Input Low Voltage VIL GND.2VDD V Output Low Voltage VOL.VDD V Power Supply Current IDD ua I/ Leak Current IL ua Stand-by Current IDDQ.5. ua. : 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 -- ns Data hold time Tdh 2 -- ns D~D7 Output disable time Tch 2 2 ns Access time Tacc -- 8 ns CL=p F E Enable pulse width(read) 2 -- Tew Enable pulse width(write) 6 -- ns Input wave width rise time Tr -- 5 ns Bus Read /Write Operaion Sequence 2

5 . :. : 3

6 DDRAM Page Data Com No Drive D 2 D7 22 X 6 PLXELS D 3 5 Slave D7 22 X 6 PLXELS D 6 D7 22 X 6 PLXELS D 3 Master D7 22 X 6 PLXELS Column ADC= H3C H3C Addr Seg No 6 6 Drive Slave Master. : 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 / Display start Line (3) PAGE: (~3) B u s y A D C ON / OFF Column address(~79) R S T 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 off :Display on 4

7 Write Display Data Read Display Data ADC Select Static Drive ON/OFF Duty Ratio Select Read Modify Write End Reset Power Save(dual command) Write data Writes the data on the Data bus to RAM Reads data from the Read data Display RAM onto the Data BUS / Determine the clockwise or Counterclockwise reading of the display Data RAM : Clockwise : Counterclockwise / Select the dynamic or static Driving. :Static driving : Dynamic driving / Select the duty ratio :/32 duty :/6 duty Increment the column Address register when writing. But no-change when reading. Release from the Read Modify Write Mode. Set the Display Start Line Register to st line, column Address count to and Page Add. Resister to. Set the power save mode by selecting display off and static driving on YM2232B 83 5 VDD=+5V 5

8 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 MOV A#H MOV R#FH DISMOV A#55H MOV A#AAH 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

9 DJNZ RDIS 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 DIS5MOV AR2 MOV A#H MOV R#EH DIS6MOV A#H 7

10 MOV A#FFH DJNZ RDIS6 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 AB LCALL OUTST MOV A#H MOV R2 #7AH DISPWORDMOV AR MOVC A@A+DPTR LCALL OUTMD INC DPTR DEC R2 CJNE R2#3DHDISPWORD MOV A#H LCALL OUTST DISPWORD2MOV AR MOVC A@A+DPTR LCALL OUTSD INC DPTR DJNZ R2DISPWORD2 8

11 MOV R#H POP B INC B MOV AB CINZ A#BCHDISPWORDM AJMP INITM MS4MOV R7#E8H MS2MOV R6#FFH MSDJNA R6MS DJNZ R7MS2 RET OUT INSTRCTION TO MASTER 645 OUTMIPUSH DPH PUSH DPL MOV DPTR#6H POP DPL POP DPH RET OUT INSRCTION TO SLAVE 645 OUTSIPUSH DPH PUSH DPL MOV DPTR#5H POP DPL POP DPH RET OUT DATA TO MASTER 645 OUTMDPUSH DPH PUSH DPL MOV DPTR#EH POP DPL POP DPH RET 9

12 OUT DATA TO SLAVE 645 OUTSDPUSH DPH PUSH DPL MOV DPTR#DH 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,,

13 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

LCM12232A LCM12232A. 122 x 32 1/32D STN( EL / 100VAC 400HZ LED / 4.2VDC

LCM12232A LCM12232A. 122 x 32 1/32D STN( EL / 100VAC 400HZ LED / 4.2VDC LCM12232A 122 x 32 1/32D STN( ), EL LED EL / 100VAC 400HZ LED / 4.2VDC / 1 VDD-VSS 0 6.5 V Ta=25 LCD VDD-V0 0 12.0 V V1 0 VDD V VDD-VSS - 4.75 5.0 5.25 V LCD VDD-V0-4.5 5.5 6.5 V IDD - - 2.5 - ma LCD IEE