HD6433802H Datasheet, PDF (389/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

LPCR—LCD port control register
Bit
Initial value
Read/Write
7
DTS1
0
R/W
6
DTS0
0
R/W
5
CMX
0
R/W
H'C0
LCD controller/driver
4
3
2
1
0
—
SGS3 SGS2 SGS1 SGS0
—
0
0
0
0
W
R/W R/W
R/W
R/W
Clock enable
Bit 3 Bit 2
SGS3 SGS2
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
Bit 1
SGS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 0
SGS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Function of Pins SEG25 to SEG1
SEG25 SEG24 to SEG20 to SEG16 to SEG12 to SEG8 to SEG4 to Notes
SEG21 SEG17 SEG13 SEG9 SEG5 SEG1
Port Port Port Port Port Port Port (Initial value)
Port Port Port Port Port Port SEG
Port Port Port Port Port SEG SEG
Port Port Port Port SEG SEG SEG
Port Port Port SEG SEG SEG SEG
Port Port SEG SEG SEG SEG SEG
Port SEG SEG SEG SEG SEG SEG
SEG SEG SEG SEG SEG SEG SEG
SEG SEG SEG SEG SEG SEG SEG
SEG SEG SEG SEG SEG SEG Port
SEG SEG SEG SEG SEG Port Port
SEG SEG SEG SEG Port Port Port
SEG SEG SEG Port Port Port Port
SEG SEG Port Port Port Port Port
SEG Port Port Port Port Port Port
Port Port Port Port Port Port Port
Duty select, common function select
Bit 7 Bit 6 Bit 5
DTS1 DTS0 CMX
000
1
010
1
100
1
110
1
Duty Cycle Common Drivers
Static
1/2 duty
1/3 duty
COM1
COM4 to COM1
COM2 to COM1
COM4 to COM1
COM3 to COM1
COM4 to COM1
1/4 duty COM4 to COM1
Notes
COM4 to COM2 output the same waveform as COM1
COM4 outputs the same waveform as COM3 and COM2 outputs the same waveform as COM1
COM4 outputs a non-selected waveform
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