saa7120 NXP Semiconductors, saa7120 Datasheet - Page 5

• Manufacturer Part Number: saa7120
• Description: Digital Video Encoder Condenc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Jan 06
handbook, full pagewidth
V
V
RESET
SCL
SDA
TTXRQ
TTX
SYMBOL
SSD3
DDD3
Digital Video Encoder (ConDENC)
PIN
38
39
40
41
42
43
44
I/O
I/O
O
V DDD1
V SSD1
I
I
I
I
I
RCV1
RCV2
MP7
MP6
MP5
LLC
res.
SP
AP
digital ground 3
digital supply voltage 3
reset input, active LOW; after reset is applied, all digital I/Os are in input mode;
the I
I
I
teletext request output, indicating when bit stream is valid
teletext bit stream input
2
2
10
11
C-bus serial clock input
C-bus serial data input/output
1
2
3
4
5
6
7
8
9
2
C-bus receiver waits for the START condition
Fig.2 Pin configuration.
SAA7120
SAA7121
5
DESCRIPTION
MBH790
33 V SSA2
32
31
30
29
28
27
26
25
24
23
SAA7120; SAA7121
V SSA1
V DDA3
CVBS
res.
V DDA2
Y
res.
V DDA1
C
res.
Preliminary specification