Block Diagram - Hitachi H8/3827R Series Hardware Manual

13.1.2

Block Diagram

Figure 13.1 shows a block diagram of the LCD controller/driver.
ø/2 to ø/256
ø
w
Notation:
LPCR: LCD port control register
LCR: LCD control register
LCR2: LCD control register 2
Figure 13.1 Block Diagram of LCD Controller/Driver
324
CL
2
LPCR
LCR
LCR2
Display timing generator
LCD RAM
(32 bytes)
LCD drive power supply
M
Common
data latch
32-bit shift
register
CL
1
SEG DO
n,
V
0
V
1
V
2
V
3
V
SS
COM
1
Common
driver
COM
4
SEG /CL
32
SEG /CL
31
SEG /DO
30
SEG /M
29
SEG
28
Segment
driver
SEG
1
1
2