saa5261 NXP Semiconductors, saa5261 Datasheet - Page 6

• Manufacturer Part Number: saa5261
• Description: Saa5261; Saa5262; Saa5263 10-page Intelligent Teletext Decoders
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1998 Apr 22
G
R
VDS
HSYNC
VSYNC
V
V
OSCGND
XTALI
XTALO
RESET
V
PUINL
DISDSR
DIS8/30
DISLCBD
SCLK2
SDAT2
ME8/30T
E/W
SYMBOL
DDA
DDD(T)
DDD(M)
10-page intelligent teletext decoders
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
serial data input/output (I
green dot rate character output of the green colour information: the high voltage level is
defined by the RGBREF pin (can source 4 mA)
red dot rate character output of the red colour information: the high voltage level is defined by
the RGBREF pin (can source 4 mA)
push-pull output for blanking the TV picture
horizontal sync input: the polarity of this pulse is set by input HSMODE
vertical sync input: the polarity of this pulse is set by input VSMODE
analog supply voltage (+5 V)
digital supply voltage for teletext circuits (+5 V)
ground for crystal oscillator
12 MHz crystal oscillator input
12 MHz crystal oscillator output
reset input
digital supply voltage for microcontroller (+5 V)
power-up in list mode control input: LOW selects auto TOP/Fastext on power-up; HIGH
selects LIST mode on power-up
disable default status row input: LOW enables display of status row
disable packet 8/30 display input: LOW enables display of packet 8/30
disable Link Control Byte (LCB) decode input: LOW enables decoding of the LCB in Fastext
serial clock input (I
mesh 8/30 and time displays input: HIGH will select a meshed display for the packet 8/30 and
time
East/West language select input: LOW selects West language
2
C-bus)
2
C-bus)
6
DESCRIPTION
SAA5261; SAA5262; SAA5263
Product specification