SAA7216HS PHILIPS [NXP Semiconductors], SAA7216HS Datasheet - Page 3

• Manufacturer Part Number: SAA7216HS
• Description: Integrated MPEG AVGD decoders
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
MPEG-2 audio features
2000 Jan 31
Vertical scaling with fixed factors 0.5, 0.75, 1 or 2;
factor 0.5 realizes picture shrink. Factor 2 can be used
for up-conversion of pictures with 288 (240) lines or
less; factor 0.75 is used for letterbox presentation.
Horizontal and vertical scaling can be combined to scale
pictures to
screen space for graphic applications like electronic
program guides
Non full screen MPEG pictures can be displayed in a
box of which position and background colour are
adjustable by the external microcontroller; structured
background is available as part of the graphic features
Nominal video input buffer size for MP at ML 2.7-Mbit
Video output may be slaved to internally (master)
generated or externally (slave) supplied
HV synchronization signals or CCIR-656 contained
synchronization signals. The position of active video is
programmable. Display phase is not affected by MPEG
timebase changes.
Decoding and presentation can be independently
handled under CPU control
Various trick modes under control of external
microcontroller:
– Freeze field/frame on I- or P-frames; restart on
– Freeze field on B-frames; restart at any moment
– Scanning and decoding of I- or I- and P-frames in a
– Single step mode
– Repeat/skip field for time base correction
– Repeat/skip frame for display parity integrity.
Synchronization modes: DTS controlled, DTS free
running, software controlled, buffer controlled
DTS register can be set via external controller;
programmable processing delay compensation.
Supported audio sampling frequencies:
48, 44.1, 32, 24, 22.05 and 16 kHz
Independent channel volume control and programmable
inter-channel crosstalk through a baseband audio
processing unit
MPEG audio decoder
– Decoding of 2 channels, layer I and II MPEG-1 audio
– Supports for mono, stereo, intensity stereo and dual
Integrated MPEG AVGD decoders
I-picture
IBP sequence
and low sampling frequency extension of MPEG-2
channel mode
1
4
of their original size, thus freeing up
3
Background colour
– CRC error detection with automatic mute
– Constant and variable bit rates up to 448 kbit/s
– Selectable output channel in dual channel mode
– Storage of last 54 bytes in ancillary data field
– Dynamic range control at output.
Muting possibility via external controller; automatic
muting in case of errors
Generation of ‘beeps’ with programmable tone height,
duration and amplitude
Linear PCM decoding
– Support for up to 8 channels linear PCM elementary
– Supports for 8, 16, 20 and 24 bit/sample
– Supports for bit rates up to 6.144 Mbit/s
– 96 kHz LPCM samples will be mapped to a 48 kHz
– Volume control for linear PCM samples in three
Burst-formatting for interconnection with an external
multi-channel decoder
– AC-3 elementary streams (IEC1937)
– MPEG-2 multi-channel streams in ES or PES format
– Output via the digital audio output or the IEC 958
Output stage
– Global control for volume and balance
– Serial multi-channel digital audio output with 16, 18,
– IEC958 (Serial SPDIF) audio output; output can be
– Clock output 256 or 384
Audio FIFO in external SDRAM; programmable buffer
size, at least 64 kbit is available
Synchronization modes: PTS controlled, PTS free
running, software controlled, buffer controlled
PTS register can be set via external controller;
programmable processing delay compensation.
24 bit YC
audio streams
multi-channel format
steps: 6, 12 and 18 dB.
output.
Japanese formats; output can be set to high
impedance mode via the external controller
set to high impedance mode
DA converter or clock input; output can be set to high
impedance mode.
20 or 22 bits per sample, compatible either to I
SAA7215; SAA7216; SAA7221
b
C
r
colour.
f
s
Preliminary specification
for external
2
S or