SAA7134 Philips Semiconductors, SAA7134 Datasheet - Page 16

• Manufacturer Part Number: SAA7134
• Description: PCI audio and video broadcast decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
7
7.1
The SAA7134HL is able to capture TV signals over the PCI-bus in personal computers by a single chip (see Fig.4).
2002 Dec 17
handbook, full pagewidth
PCI audio and video broadcast decoder
FUNCTIONAL DESCRIPTION
Overview of internal functions
9-BIT ADC 9-BIT ADC
PROGRAM
(NTSC, PAL, SECAM)
INPUT SELECTION
CLAMP AND GAIN
SET
VIDEO SCALER
COMB FILTER
CONTROL
DECODER
ADAPTIVE
RAW VBI
5 analog
inputs
video
3-D
PROGRAM
SET
LLC
DMA CONTROL
VIDEO FIFOS
VIDEO PORT
FORMAT
MATRIX
GAMMA
(DIGITAL)
output
digital
video
Fig.4 Functional block diagram.
INTERFACE
PCI-BUS INTERFACE
I
I
2
2
C-BUS
C-bus
PROPAGATE
GPIO
RESET
reset
PCI-bus
DTV-TS p/s
16
transport
I
stream
2
INPUT
input
S-BUS
DMA CONTROL
AUDIO FIFOS
OUTPUT
I
2
digital
output
audio
S-BUS
MANAGEMENT
ACPI POWER
AUDIO
16-BIT
ADC
SAA7134HL
PASS-THROUGH (DEFAULT)
stereo
output
ANALOG AUDIO I/O
AUDIO
16-BIT
ADC
FLC
BOUNDARY
SCAN TEST
test
input 1
stereo
AUDIO
16-BIT
DAC
TV SOUND
DECODER
(DUAL FM,
STEREO
NICAM)
input 2
stereo
SAA7134HL
Product specification
AUDIO
16-BIT
OSCILLATOR
DAC
crystal
IF sound
input
ADC
SIF
MHB990