HD66421TB0 HITACHI [Hitachi Semiconductor], HD66421TB0 Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
HD66421TB0
Manufacturer Part Number
HD66421TB0
Description
(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD66421TB0.pdf
(46 pages)
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DB7
-DB0
Block Diagram
MPU Interface
COM1
Preliminary
Level Shifter
Row Driver
RS
WR
COM50 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
SEG160COM51
VLCD
10
5
MPX
Row Driver
Level Shifter
FLM M CL1
I/O control
Grey scale
palette
Grey
scale
pattern
Generator
Decoder
COM100
Comparator
Display Line
Counter
DCON
RES
Rev. 1.1E '99.02.10
Row
Counter
OSC
Timing
Generator
Oscillator
HD66421
OSC1
OSC2
CO
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