SAA5X9X Datasheet, PDF (5/68 Pages) NXP Semiconductors – Economy teletext and TV microcontrollers

Philips Semiconductors
Economy teletext and TV microcontrollers
5 BLOCK DIAGRAM
Preliminary specification
SAA5x9x family
handbook, full pagewidth
BLACK IREF
VDDA VDDM VDDT VSSA VSSD
CVBS0,
CVBS1
DATA SLICER
TELETEXT
ACQUISITION
DISPLAY
XTALIN
XTALOUT
OSCGND
OSCILLATOR
SAA5x9x
ACQUISITION
TIMING
512 × 8
AUX RAM
32K × 8
ROM
PAGE
RAM
DISPLAY
TIMING
256 × 8
RAM
TEXT
INTERFACE
RESET
data
8051
address
MICRO-
CONTROLLER
int
I²C-BUS
INTERFACE
TIMER/
CTRS
ADC
PWM
R, G, B,
VDS,
COR
VSYNC
HSYNC
FRAME
PORT 1
P1.0 to P1.7
PORT 0
PORT 3
P0.0 to P0.7
P3.0 to P3.7
PORT 2
P2.0 to P2.7
MGK462
Fig.1 Block diagram.
1997 Jul 07
5