HD6433802H Datasheet, PDF (314/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

13.1.2 Block Diagram
Figure 13.1 shows a block diagram of the LCD controller/driver.
ø/2 to ø/256
ø_w
LPCR
LCR
LCR2
Display timing generator
LCD drive power supply
Common
data latch
Common
driver
VCC
V1
V2
V3
VSS
COM1
COM4
25-bit shift
register
Segment
driver
SEG25
LCD RAM
(13 bytes)
SEGn
Notation:
LPCR: LCD port control register
LCR: LCD control register
LCR2: LCD control register 2
Figure 13.1 Block Diagram of LCD Controller/Driver
SEG1
296