PT6547 Datasheet, PDF (11/35 Pages) Princeton Technology Corp – LCD Driver IC with Key Input Function

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LCD Driver IC with Key Input Function
PT6547
COMMAND 3: ADDRESS SETTING COMMANDS
Address Setting Commands are used to set the address of the display memory. The address is
consider valid if it has a value of “00H” to “25H”. If the address is set to 26H or higher, the data is
ignored until a valid address is set. When power is turned on, the address is set at “00H”. Please refer
to the diagram below.
MSB
LSB
1 1 b5 b4 b3 b2 b1 b0
Address: 00H to 25H
DISPLAY MODE AND RAM ADDRESS
Data transmitted from an external device to PT6547 via the serial interface are stored in the Display
RAM and are assigned addresses. The RAM Address of PT6547 are given below in 8 bits unit.
1/3 duty
COM1 COM3
SG1
00H_L
SG2
00H_U
SG3
01H_L
SG4
01H_U
SG5
SG6
02H_L
02H_U
SG7
03H_L
SG8
03H_U
SG9
04H_L
SG10
SG11
04H_U
05H_L
SG12
05H_U
SG13
06H_L
SG14
SG15
SG16
06H_U
07H_L
07H_U
SG17
08H_L
SG18
08H_U
SG19
09H_L
SG20
09H_U
COM1 COM3
SG21
0AH_L
SG22
0AH_U
SG23
0BH_L
SG24
0BH_U
SG25
0CH_L
SG26
0CH_U
SG27
0DH_L
SG28
0DH_U
SG29
0EH_L
SG30
0EH_U
SG31
0FH_L
SG32
0FH_U
SG33
10H_L
SG34
10H_U
SG35
11H_L
SG36
11H_U
SG37
12H_L
SG38
12H_U
SG39
13H_L
SG40
13H_U
COM1 COM3
SG41
14H_L
SG42
14H_U
SG43
15H_L
SG44
15H_U
SG45
16H_L
SG46
16H_U
SG47
17H_L
SG48
17H_U
SG49
18H_L
SG50
18H_U
SG51
19H_L
SG52
19H_U
SG53
1AH_L
SG54
1AH_U
SG55
1BH_L
SG56
1BH_U
SG57
1CH_L
SG58 1CH_U
SG59
1DH_L
SG60 1DH_U
COM1 COM3
SG61 1EH_L
SG62 1EH_U
SG63
1FH_L
SG64 1FH_U
SG65
20H_L
SG66 20H_U
SG67
21H_L
SG68 21H_U
SG69
22H_L
SG70 22H_U
SG71
23H_L
SG72 23H_U
SG73
24H_L
SG74 24H_U
SG75
25H_L
SG76 25H_U
b0
b3 b4
b7
xxH_L
xxH_U
Lower 4bits Higher 4 bits
b3, b7 are dummy
PT6547 V1.2
- 11 -
January, 2006