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| HD6433832S Datasheet, PDF (327/560 Pages) Renesas Technology Corp – single-chip microcomputers | |||
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13.1.2 Block Diagram
Figure 13.1 shows a block diagram of the LCD controller/driver.
Ï /2 to Ï /256
Ï W to Ï W/4
CL2
LPCR
LCR
Display timing generator
CL1
VCC
LCD driver
power supply
M
Common
data latch
Common
driver
V1
V2
V3
VSS
COM 1
COM 4
40-bit
shift
register
Segment
driver
SEG40 /CL 1
SEG39 /CL 2
SEG38 /DO
SEG37 /M
SEG 36
LCD RAM
64 bytes
SEGn, DO
Notation:
LPCR: LCD port control register
LCR: LCD control register
Figure 13.1 LCD Controller/Driver Block Diagram
SEG 1
312
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