saa5264 NXP Semiconductors, saa5264 Datasheet - Page 6

• Manufacturer Part Number: saa5264
• Description: 10 And 1 Page Intelligent Teletext Decoders
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Jan 27
G
R
VDS
HSYNC
VSYNC
V
V
OSCGND
XTALIN
XTALOUT
RESET
V
Port 1: 8-bit programmable bidirectional port
P1.0
P1.1
P1.2
P1.3
SCL
SDA
P1.4
P1.5
SSP
DDC
DDP
10 and 1 page intelligent teletext decoders
SYMBOL
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
TYPE
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
Green colour information pixel rate output
Red colour information pixel rate output
video/data switch push-pull output for pixel rate fast blanking
horizontal sync pulse input: Schmitt triggered for a Transistor Transistor Level (TTL)
version; the polarity of this pulse is programmable by register bit
TXT1.H POLARITY
vertical sync pulse input; Schmitt triggered for a TTL version; the polarity of this
pulse is programmable by register bit TXT1.V POLARITY
periphery ground
core supply voltage (+3.3 V)
crystal oscillator ground
12 MHz crystal oscillator input
reset input; if this pin is HIGH for at least 2 machine cycles (24 oscillator periods)
while the oscillator is running, the device resets; this pin should be connected to
V
periphery supply voltage (+3.3 V)
I
12 MHz crystal oscillator output
input/output for general use
input/output for general use
input/output for general use
input/output for general use
I
input/output for general use
input/output for general use
2
2
DDP
C-bus Serial Clock input from application
C-bus Serial Data input/output (application)
via a capacitor
6
DESCRIPTION
SAA5264; SAA5265
Preliminary specification