HD6433832S Datasheet, PDF (504/560 Pages) Renesas Technology Corp – single-chip microcomputers

LPCR—LCD port control register
H'C0 LCD controller/driver
Bit
Initial value
Read/Write
7
DTS1
0
R/W
6
DTS0
0
R/W
5
CMX
0
R/W
4
SGX
0
R/W
3
SGS3
0
R/W
2
SGS2
0
R/W
1
SGS1
0
R/W
0
SGS0
0
R/W
Segment driver select
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
SEG40 to
SGX SGS3 SGS2 SGS1 SGS0 SEG37
0
0
0
0
0 Port
Functions of Pins SEG₄₀ to SEG₁
SEG36 to SEG32 to SEG28 to SEG24 to SEG20 to SEG16 to SEG12 to SEG8 to SEG4 to
SEG33 SEG29 SEG25 SEG21 SEG17 SEG13 SEG9 SEG5 SEG1 Remarks
Port
Port
Port
Port
Port
Port
Port
Port Port (initial value)
1 SEG
SEG Port
Port
Port
Port
Port
Port
Port Port
1
0 SEG
SEG SEG Port
Port
Port
Port
Port
Port Port
1 SEG
SEG SEG SEG Port
Port
Port
Port
Port Port
1
0
0 SEG
SEG SEG SEG SEG Port
Port
Port
Port Port
1 SEG
SEG SEG SEG SEG SEG Port
Port
Port Port
1
0 SEG
SEG SEG SEG SEG SEG SEG Port
Port Port
1 SEG
SEG SEG SEG SEG SEG SEG SEG Port Port
1 _{* *} 0 SEG
1 SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
Port
SEG
1
0
0
0
0 External segment Port
Port
Port
Port
Port
Port
Port
Port Port
expansion
1 External segment SEG Port
Port
Port
Port
Port
Port
Port Port
expansion
1
0 External segment SEG SEG Port
Port
Port
Port
Port
Port Port
expansion
1 External segment SEG SEG SEG Port
Port
Port
Port
Port Port
expansion
1
0
0 External segment SEG SEG SEG SEG Port
Port
Port
Port Port
expansion
1 External segment SEG SEG SEG SEG SEG Port
Port
Port Port
expansion
1
0 External segment SEG SEG SEG SEG SEG SEG Port
Port Port
expansion
1 External segment SEG
expansion
SEG
SEG
SEG
SEG
SEG
SEG
Port Port
1
*
*
0 External segment SEG SEG SEG SEG SEG SEG SEG SEG Port
expansion
1 External segment SEG
expansion
SEG
SEG
SEG
SEG
SEG
SEG
SEG SEG
Expansion signal select
0 Pins SEG40 to SEG37
1 Pins CL1, CL2, DO, and M
Duty and common function select
Bit 7 Bit 6 Bit 5
DTS1 DTS0 CMX Duty
Common Driver Other Uses
0
0
0 Static COM1
COM3, COM2, and COM1 usable as ports
1
COM4 to COM1 COM4, COM3, and COM2 output the same waveform as COM1
0
1
0 1/2 duty COM2, COM1 COM4 and COM3 usable as ports
1
COM4 to COM1 COM4 outputs the same waveform as COM3, and COM2 the same waveform as COM1
1
0
0 1/3 duty COM3 to COM1 COM4 usable as port
1
COM4 to COM1 COM4 outputs a non-select waveform
1
1
0 1/4 duty COM4 to COM1 —
1
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