Philips Semiconductors
Product specification
Digital video encoder
SAA7120H; SAA7121H
SYMBOL
XCLK
V
SSD3
V
DDD3
RESET
SCL
SDA
TTXRQ
TTX
PIN
37
38
39
40
41
42
43
44
TYPE
O
supply
supply
I
I
I/O
O
I
digital ground 3
digital supply voltage 3
DESCRIPTION
clock output of the crystal oscillator
Reset input, active LOW. After reset is applied, all digital I/Os are in input mode.
The I
2
C-bus receiver waits for the START condition.
I
2
C-bus serial clock input
I
2
C-bus serial data input/output
teletext request output, indicating when bit stream is valid
teletext bit stream input
39 VDDD3
43 TTXRQ
36 VDDA4
40 RESET
38 VSSD3
35 XTALI
37 XCLK
handbook, full pagewidth
34 XTALO
42 SDA
41 SCL
44 TTX
RES 1
SP 2
AP 3
LLC 4
VSSD1 5
VDDD1 6
RCV1 7
RCV2 8
MP7 9
MP6 10
MP5 11
33 VSSA2
32 VSSA1
31 VDDA3
30 CVBS
29 RES
SAA7120H
SAA7121H
28 VDDA2
27 Y
26 RES
25 VDDA1
24 C
23 RES
MP4 12
MP3 13
MP2 14
MP1 15
MP0 16
VDDD2 17
VSSD2 18
RTCI 19
RES 20
SA 21
RES 22
MBH790
Fig.2 Pin configuration.
2002 Oct 11
6
PHILIPS [ NXP SEMICONDUCTORS ]
