hd66420 Renesas Electronics Corporation., hd66420 Datasheet - Page 8
hd66420
Manufacturer Part Number
hd66420
Description
Ram-provided 160 Channel 4-level Grey Scale Driver For Dot Matrix Graphics Lcd
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD66420.pdf
(52 pages)
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HD66420
Block Diagram
DB7
-DB0
8
MPU Interface
COM1
Row Driver
Level Shifter
RS
WR
COM40 SEG1
Contrast Control Register
Start Line Register
Blink Start Line Register
Blink End Line Register
RD
Blink Registers
Control Register
CS
M/S
X Address Counter
Y Address Counter
LCD driver power supply,
Contrast control
Display memory
Column Driver
Grey scale selector
V1O
Level Shifter
Data Latch2
Data Latch1
X Decoder
320 x 80bit
Data Buffer
V2O
Attribute
160
320
320
320
V3O
V4O
V5O
SEG160COM41
VLCD
MPX
Row Driver
Level Shifter
FLM M CL1
I/O control
Grey scale
palette
Grey
scale
pattern
Generator
Decoder
COM80
Comparator
Display Line
Counter
DCON
RES
Row
Counter
OSC
Timing
Generator
Oscillator
OSC1
OSC2
CO
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