HD6473847RHV Datasheet, PDF (361/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 13 LCD Controller/Driver
13.3 Register Descriptions
The LCD controller/driver has the following registers.
• LCD port control register (LPCR)
• LCD control register (LCR)
• LCD control register 2 (LCR2)
• LCD RAM
13.3.1 LCD Port Control Register (LPCR)
LPCR selects the duty cycle, LCD driver, and pin functions.
Initial
Bit
Bit Name Value R/W Description
7
DTS1
0
R/W Duty Cycle Select 1 and 0
6
DTS0
0
R/W Common Function Select
5
CMX
0
R/W The combination of DTS1 and DTS0 selects static, 1/2,
1/3, or 1/4 duty.
CMX specifies whether or not the same waveform is to be
output from multiple pins to increase the common drive
power when not all common pins are used because of the
duty setting.
For details, see table 13.2.
4
—
—
W
Reserved
Only 0 can be written to this bit.
3
SGS3
0
R/W Segment Driver Select 3 to 0
2
SGS2
0
R/W Select the segment drivers to be used.
1
SGS1
0
R/W For details, see table 13.3.
0
SGS0
0
R/W
Rev. 7.00 Mar. 08, 2010 Page 329 of 510
REJ09B0024-0700