SAA5290A Philips Semiconductors, SAA5290A Datasheet - Page 5

• Manufacturer Part Number: SAA5290A
• Description: Economy teletext and TV microcontrollers
• Manufacturer: Philips Semiconductors

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