參數(shù)資料
型號: UPD6466
廠商: NEC Corp.
英文描述: ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 24-COLUMN, CAMERA-CONTAINED VCR
中文描述: 屏幕字符顯示的CMOS集成電路512-CHARACTER,12列,24列,攝像機(jī),錄像機(jī)所載
文件頁數(shù): 3/70頁
文件大?。?/td> 494K
代理商: UPD6466
3
μ
P
CMDCT
Data input shift
register
DATA
CLK
CS
Instruction decoder
D
.
Control signals
Display
control
register
Character size
register
Horizontal
address
register
Write
address
counter
Horizontal size
counter
Horizontal
position
counter
Horizontal
address
counter
Vertical
address
register
Oscilla-
tion
circuit
Synchro-
nization
protection
circuit
TEST
V
DD
GND
PCL
Character
data
9 bits
×
288 words
Color
data
3 bits
×
288 words
Blink
data
1 bit
×
288 words
Reverse
data
1 bit
×
288 words
Output
specification
data 1 bit
288 words
Video RAM
Back-
ground
control
data
register
Hsync
Vsync
Vertical
position
counter
Vertical size
counter
Output controller
V
R
V
BLK
V
B
V
G
BLK2
V
C2
(G
BLK
)
BLK1
V
C1
(R
BLK
)
(B
BLK
)
Character
generator
ROM
12
×
18 bits
×
512 words
OSC
IN
OSC
OUT
Vertical
address
counter
BLOCK DIAGRAM
Remark
Signals in ( ) are set by using an initial status setting command (RGB + RGB compatible blanking).
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