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CS4952 数据表(PDF) 39 Page - Cirrus Logic

部件名 CS4952
功能描述  NTSC/PAL Digital Video Encoder
PDF  44 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS4952 数据表(HTML) 39 Page - Cirrus Logic

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CS4952/53
DS223PP2
39
PLCC Pin Description
Pin Name
Pin Number
Type
Description
V [7:0]
14, 13, 12, 11, 10, 9, 8, 7
IN
Digital video data inputs
CLK
33
IN
27 MHz input clock
ADDR
19
IN
Address enable line / subcarrier crystal input
XTAL
18
OUT
subcarrier crystal output
HSYNC/CB
16
I/O
Active low horizontal sync, or composite blank signal
VSYNC
17
I/O
Active low vertical sync.
FIELD
15
OUT
Video field ID. Selectable polarity
RD
31
IN
Host parallel port read strobe, active low
WR
32
IN
Host parallel port write strobe, active low
PDAT [7:0]
23,24,25,26,27,28,29,30
I/O
Host parallel port/ general purpose I/O
SDA
35
I/O
I2C data
SCL
36
IN
I2C clock input
CVBS75
5
CURRENT Composite video output for driving 75
Ω loads
CVBS37
4
CURRENT Composite video output for driving 37.5
Ω loads
Y
43
CURRENT Luminance analog output for driving 37.5
Ω loads
C
44
CURRENT Chrominance analog output for driving 37.5
Ω loads
VREFOUT
42
OUT
Internal voltage reference output
VREFIN
41
IN
External voltage reference input
ISET
40
OUT
DAC current set
INT
34
OUT
Interrupt output, active high
RESET
37
IN
Active low master reset
TEST
6
IN
TEST pin. Ground for normal operation
VAA
1, 3, 20, 39
PS
+5 V supply
GND
2, 22, 21, 38
PS
Ground



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