Table of Contents
Advertisement
• Module stop mode
As the initial setting, LCD operation is halted. Access to registers and LCD RAM is
enabled by clearing module stop mode.
18.1.2
Block Diagram
Figure 18-1 shows a block diagram of the LCD controller/driver.
ø/8 to ø/1024
ø
SUB
Display timing generator
Legend:
LPCR: LCD port control register
LCR:
LCD control register
LCR2: LCD control register 2
Notes: *1 In the H8S/2646, H8S/2646R, and H8S/2645.
*2 In the H8S/2648, H8S/2648R, and H8S/2647.
Figure 18-1 Block Diagram of LCD Controller/Driver
632
CL2
LPCR
LCR
LCR2
CL1
LCD RAM
20 bytes
SEGn, DO
LCD drive
power supply
M
Common
Common
data latch
driver
24-bit
shift
1
register *
Segment
driver
40-bit
shift
2
register *
LPV
CC
V1
V2
V3
V
SS
COM1
COM4
*
1
*
H8S/2646R
H8S/2648R
SEG24
SEG40
SEG23
SEG39
SEG22
SEG38
SEG21
SEG37
SEG20
SEG36
SEG1
SEG1
2
Advertisement
Table of Contents
