参数资料
型号: LC74735W
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PQFP80
封装: SQFP-80
文件页数: 50/50页
文件大小: 258K
代理商: LC74735W
LC74735W System Block Diagram
No. 7191-9/50
LC74735W
CS
SIN
SCLK
VDD1, VDD2,VDD3
VSS1,VSS2,VSS3
RST
HSYNC
HBLK
HSYNC
HBLK
OSCin
OSCout
CTRL1
OE, CE
A0-17
D0-11
D/A
FROM
VRAM
Serial-to-
parallel
converter
16-bit
latch
+
command
decoder
Horizontal
direction
control register
Address
control circuit
Address
control circuit
External ROM
control circuit
Output control circuit
Vertical
direction
control register
Horizontal
direction
counter
Vertical
direction
counter
RAM and ROM
read and write
control
Character
size control
Timing
generator
RD2-0
GD2-0
BD2-0
BLK
CCOMP
CVREF
RREF
OUTR
ROUT
GOUT
BOUT
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