Block Diagram; Figure 13.1 Block Diagram Of Lcd Controller/Driver - Renesas H8/3847R Series Hardware Manual

Section 13 LCD Controller/Driver
13.1.2

Block Diagram

Figure 13.1 shows a block diagram of the LCD controller/driver.
φ/2 to φ/256
φ
w
Display timing generator
Legend:
LPCR: LCD port control register
LCR: LCD control register
LCR2: LCD control register 2
Note: * The external expansion function for LCD segments is not implemented in the H8/38347 Group and H8/38447 Group.

Figure 13.1 Block Diagram of LCD Controller/Driver

Rev. 6.00 Aug 04, 2006 page 432 of 680
REJ09B0145-0600
CL
2
LPCR
LCR
LCR2
CL
1
LCD RAM
(32 bytes)
LCD drive power supply
M
Common
data latch
40-bit shift
register
SEG DO
n,
V
0
V
1
V
2
V
3
V
SS
COM
1
Common
driver
COM
4
SEG /CL
*
40 1
SEG /CL
*
39 2
SEG /DO*
38
SEG /M*
37
SEG
36
Segment
driver
SEG
1