h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 999

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

LCR—LCD Control Register
Bit
Initial value
Read/Write
LCD Power Supply Split-Resistance Connection Control
0
1
LCD power supply split-resistance is disconnected from V
LCD power supply split-resistance is connected to V
Display Function Activate
0
1
—
—
7
1
LCD controller/driver operation halted
LCD controller/driver operates
Display Data Control
0
1
PSW
R/W
Blank data is displayed
LCD RAM data is display
6
0
Frame Frequency Select
Notes: 1. When 1/3 duty is selected, the frame frequency is 4/3 times the
CKS3
Bit 3
0
1
ACT
R/W
CKS2
2. This is the frame frequency when
Bit 2
5
0
0
1
*
value shown.
CKS1
Bit 1
0
1
0
1
0
1
DISP
R/W
4
0
CKS0
Bit 0
0
1
0
1
0
1
0
1
0
1
*
Rev. 5.00 Sep 22, 2005 page 973 of 1136
CKS3
H'FC31
R/W
Operating Clock
3
0
CC
SUB
SUB
SUB
/8
/16
/32
/64
/128
/256
/512
/1024
Appendix B Internal I/O Register
CC
CKS2
/2
/4
R/W
2
0
SUB
= 32.768 kHz.
Frame Frequency
CKS1
R/W
1
0
REJ09B0257-0500
128 Hz
152.6 Hz
= 20 MHz
4880 Hz
2440 Hz
1220 Hz
76.3 Hz
38.1 Hz
64 Hz
32 Hz
610 Hz
305 Hz
*: Don't care
CKS0
*2
*2
*2
R/W
0
0
*1
LCD