Renesas H8/3847R Series Hardware Manual page 637

LPCR—LCD Port Control Register
Bit 7
DTS1
Initial value 0
Read/Write R/W
Expansion signal select
0
1
Note: * Functions as ports when SGS3 to SGS0 are set at "0000".
Duty select, common function select
Bit 7 Bit 6 Bit 5
Duty Cycle
DTS1 DTS0 CMX
0 0 0
Static
0 0 1
0 1 0
1/2 duty
0 1 1
1 0 0
1/3 duty
1 0 1
1 1 0
1/4 duty
1 1 1
6 5
DTS0 CMX
0 0
R/W R/W
Segment driver select
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
SGX SGS3 SGS2 SGS1 SGS0
0 0 0 0
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1
* *
0 0
1 0
0 0
1 0
0 1
1 0
1 0 1
*
1 1
* *
Note: 1. SEG to SEG are external expansion pins.
40 37
SEG to SEG pin* (Initial value)
40 37
CL , CL , DO and M pin
1 2
In the case of the H8/38347 Group and H8/38447 Group the initial values of these bits must not be changed.
Common Drivers
COM Do not use COM
1
COM to COM COM
4 1 4
COM to COM Do not use COM
2 1
COM to COM COM outputs the same waveform as COM
4 1 4
COM to COM Do not use COM
3 1
COM to COM Do not use COM
4 1
COM to COM
4 1
Appendix B Internal I/O Registers
H'C0
4 3
SGX SGS3
0 0
R/W R/W
Function of Pins SEG to SEG
32
SEG SEG SEG
40 32
to SEG to SEG to SEG
33 25
0 Port Port Port
1 SEG Port Port
SEG SEG Port
*
SEG SEG SEG
*
SEG SEG SEG
*
SEG SEG SEG
*
*1
0
Port Port Port
1
Do not use
*
*
*
Notes
, COM , and COM
4 3 2
to COM output the same waveform as COM
2
and COM
4 3
3
4
4
—
Rev. 6.00 Aug 04, 2006 page 599 of 680
LCD controller/driver
2 1
SGS2 SGS1
0 0
R/W R/W
1
SEG SEG
24 16 8
to SEG to SEG
17 9 1
Port Port (Initial value)
Port Port
Port Port
Port Port
SEG Port
SEG SEG
Port Port
1
and COM outputs the same waveform as COM
2
REJ09B0145-0600
0
SGS0
0
R/W
Notes
* : Don't care
1