h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 550

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 17 LCD Controller/Driver
17.3
The LCD controller/driver has the following registers.
• LCD port control register (LPCR)
• LCD control register (LCR)
• LCD control register 2 (LCR2)
• LCDRAM
17.3.1
LPCR selects the duty cycle, and the LCD driver and pin functions.
Rev. 2.00 Dec. 05, 2005 Page 512 of 724
REJ09B0200-0200
Bit
7
6
5
4
3
2
1
0
Bit Name
DTS1
DTS0
CMX

SGS3
SGS2
SGS1
SGS0
Register Descriptions
LCD Port Control Register (LPCR)
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W

R/W
R/W
R/W
R/W
Description
Duty Cycle Select 1 and 0
Common Function Select
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 17.2.
Reserved
This bit is always read as 0. The write value should
always be 0.
Segment Driver Select 3 to 0
These bits select the segment drivers to be used.
For details, see table 17.3.