h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 672

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

Section 18 LCD Controller/Driver
18.1.2
Figure 18.1 shows a block diagram of the LCD controller/driver.
Rev. 5.00 Sep 22, 2005 page 646 of 1136
REJ09B0257-0500
Legend:
LPCR: LCD port control register
LCR:
LCR2: LCD control register 2
Notes: 1. In the H8S/2646, H8S/2646R, and H8S/2645.
/8 to /1024
LCD control register
2. In the H8S/2648, H8S/2648R, and H8S/2647.
SUB
Block Diagram
Display timing generator
Figure 18.1 Block Diagram of LCD Controller/Driver
LCD RAM
20 bytes
CL2
LPCR
LCR2
LCR
CL1
SEGn, DO
M
data latch
register *
register *
Common
24-bit
40-bit
shift
shift
power supply
LCD drive
1
2
Common
Segment
driver
driver
H8S/2646R
COM1
COM4
SEG24
SEG23
SEG22
SEG21
SEG20
SEG1
LPV
V1
V2
V3
V
SS
CC
*
1
H8S/2648R
SEG40
SEG39
SEG38
SEG37
SEG36
SEG1
*
2