參數(shù)資料
型號(hào): CS4955-CQZR
廠商: Cirrus Logic Inc
文件頁數(shù): 53/60頁
文件大?。?/td> 0K
描述: IC VID ENCODER NTSC/PAL 48-TQFP
標(biāo)準(zhǔn)包裝: 2,000
類型: 視頻編碼器
電壓 - 電源,模擬: 3.15 V ~ 5.25 V
電壓 - 電源,數(shù)字: 3.15 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 帶卷 (TR)
CS4954 CS4955
DS278F6
57
NOTE: 1. The FIELD pin (pin 9) remains an output pin in SLAVE mode. However, the FIELD pin state does not
toggle in SLAVE mode and its output state should be considered random.
Pin Name
Pin Number
Type
Description
V [7:0]
8, 7, 6, 5, 4, 3, 2, 1
IN
Digital video data inputs
CLK
29
IN
27 MHz input clock
PADDR
16
IN
Address enable line
XTAL_IN
15
IN
subcarrier crystal input
XTAL_OUT
14
OUT
subcarrier crystal output
HSYNC/CB
10
I/O
Active low horizontal sync, or composite blank signal
VSYNC
11
I/O
Active low vertical sync.
FIELD/CB(1)
9OUT(1)
Video field ID. Selectable polarity or composite blank
RD
27
IN
Host parallel port read strobe, active low
WR
28
IN
Host parallel port write strobe, active low
PDAT [7:0]
19, 20, 21, 22, 23, 24, 25, 26
I/O
Host parallel port/ general purpose I/O
SDA
32
I/O
IC data
SCL
33
IN
IC clock input
CVBS
44
CURRENT Composite video output
Y
48
CURRENT Luminance analog output
C
47
CURRENT Chrominance analog output
R
39
CURRENT Red analog output
G
40
CURRENT Green analog output
B
43
CURRENT Blue analog output
VREF
38
I/O
Internal voltage reference output or external reference
input
ISET
37
CURRENT DAC current set
TTXDAT
30
IN
Teletext data input
TTXRQ
31
OUT
Teletext request output
INT
12
OUT
Interrupt output, active high
RESET
34
IN
Active low master RESET
TEST
13
IN
TEST pin. Ground for normal operation
VAA
36, 41, 46
PS
+ 5 V or + 3.3 V supply (must be same as VDD)
GNDD
18
PS
Ground
VDD
17
PS
+5 V or 3.3 V supply (must be same as VAA)
GNDA
35, 42, 45
PS
Ground
Table 10. Device Pin Description
s
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