CS4954-CQ Cirrus Logic Inc, CS4954-CQ Datasheet - Page 54

• Manufacturer Part Number: CS4954-CQ
• Description: Digital Video Encoder IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS4954-CQ

• No. Of Pins: 48
• Peak Reflow Compatible (260 C): No
• Ic Function: Digital Video Encoder IC
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

54
V [7:0]
CLK
PADDR
XTAL_IN
XTAL_OUT
HSYNC/CB
VSYNC
FIELD/CB
RD
WR
PDAT [7:0]
SDA
SCL
CVBS
Y
C
R
G
B
VREF
ISET
TTXDAT
TTXRQ
INT
RESET
TEST
VAA
GNDD
VDD
GNDA
Pin Name
19, 20, 21, 22, 23, 24, 25, 26
8, 7, 6, 5, 4, 3, 2, 1
Pin Number
36, 41, 46
35, 42, 45
29
16
15
14
10
27
28
32
33
44
48
47
39
40
43
38
37
30
31
12
34
13
18
17
11
9
Table 10. Device Pin Description
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
Type
OUT
OUT
OUT
OUT
I/O
I/O
I/O
I/O
I/O
PS
PS
PS
PS
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
Digital video data inputs
27 MHz input clock
Address enable line
subcarrier crystal input
subcarrier crystal output
Active low horizontal sync, or composite blank signal
Active low vertical sync.
Video field ID. Selectable polarity or composite blank
Host parallel port read strobe, active low
Host parallel port write strobe, active low
Host parallel port/ general purpose I/O
I
I
Composite video output
Luminance analog output
Chrominance analog output
Red analog output
Green analog output
Blue analog output
Internal voltage reference output or external refer-
ence input
DAC current set
Teletext data input
Teletext request output
Interrupt output, active high
Active low master RESET
TEST pin. Ground for normal operation
Ground
+5 V or 3.3 V supply (must be same as VAA)
Ground
2
2
+ 5 V or + 3.3 V supply (must be same as VDD)
C data
C clock input
s
Description
CS4954 CS4955
DS278PP4