PNX1301EH NXP Semiconductors, PNX1301EH Datasheet - Page 56
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PNX1301EH
Manufacturer Part Number
PNX1301EH
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1301EH.pdf
(548 pages)
Specifications of PNX1301EH
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PNX1300/01/02/11 Data Book
2.5.7
The Audio In (AI) and Audio Out (AO) units are similar to
the video units. They connect to most serial ADC and
DAC chips, and are programmable enough to handle
most serial bit protocols. These units can transfer MSB
or LSB first and left or right channel first.
The audio sampling clock is driven by PNX1300 and is
software programmable within a wide range. Like the VO
unit, AI and AO sample rates are separately and dynam-
ically programmable. The high-quality on-chip sample
clock generator circuits allows the programmer subtle
control over the sampling frequency so that audio and
video synchronization can be achieved in any system
configuration. When changing the sample frequency, the
instantaneous phase does not change, which allows
sample frequency manipulation without introducing au-
dio or video distortion.
As with the video units, the audio-in and audio-out units
buffer incoming and outgoing audio data in SDRAM. The
audio-in unit buffers samples in either 8- or 16-bit format,
mono or stereo. The audio-out unit transfers 16- or 32-bit
sample data for mono, stereo or up to 8 audio channels
from memory to the external DACs. Any manipulation or
mixing of sound data is performed by the DSPCPU since
this processing will require only a small fraction of its pro-
cessing capacity.
2.5.8
The Sony/Philips Digital Interface Out (SPDO) unit al-
lows output of a 1-bit high-speed serial data stream. The
primary application is output of digital audio data in Sony/
Philips Digital Interface (S/PDIF) format to an external
electrically isolated transformer. The SPDO unit can also
be used as a general purpose high-speed data stream
output device such as a UART.
The SPDO unit supports 2-channel PCM audio, one or
more Dolby Digital six-channel data streams, or one or
more MPEG-1 or MPEG-2 audio streams (embedded
per Project 1937). It supports arbitrary programmable
sample rates independent of and asynchronous to the
AO unit sample rate.
2.5.9
The on-chip synchronous serial interface (SSI) is spe-
cially designed to interface to high integration analog mo-
dem frontends or ISDN frontend devices. In the analog
modem case, all of the modem signal processing is per-
formed in the PNX1300 DSPCPU.
2.5.10
The I
face capable of transmitting up to 400 kbit/sec. PNX1300
implements an I
ronments only. This interface allows PNX1300 to config-
ure and inspect the status of I
as video decoders, video encoders and some camera
types.
2-6
2
C bus is a 2-wire multi-master, multi-slave inter-
Audio In and Audio Out Units
Synchronous Serial Interface
I
S/PDIF Out Unit
2
C Interface
2
C master for use in single master envi-
PRELIMINARY SPECIFICATION
2
C peripheral devices, such
2.6 NEW IN PNX1300 (VERSUS TM-1300)
PNX1300/01/02/11 offers the following improvements
over the TM-1300:
• Lower core voltage for PNX1311 (2.2V core voltage)
• DSPCPU speed of up to 200 MHz for PNX1302.
• Support for 256 Mbit SDRAM organized in x16. The
• Support for 16 and 32-bit Main Memory Interface.
• Bug fixes in VI message passing mode.
• Additional VI mode where VI_DATA[9:8] in message
• PCI bug fix on PCI Special Cycles.
• Autonomous boot in non 1:1 ratio is fixed.
2.7
In addition to the features described in
PNX1300 offers also the following improvements over
the TM-1100:
• no external MATCHOUT to MATCHIN delay line.
• Video output speed improvement: up to 81 MHz.
• Video input speed improvement: up to 81 MHz.
• Prefetcheable SDRAM aperture to increase perfor-
• Individual powerdown capability for each coproces-
• New AO coprocessor with four separate channels
• New SPDO coprocessor (for output of SPDIF and
2.8
In addition to the features described in
PNX1300 offers also the following improvements over
the TM-1000:
• New DSPCPU instructions. See
• Video Output unit improvements (8-bit alpha blend-
• Capability to intermix PCI2.1 and 8-bit peripherals or
• An on-chip DVD authentication/descrambling copro-
• Full 1149.1 boundary scan.
• Improved PCI DMA read performance. See
• Improved clock generation with new DDS blocks.
and therefore lower power consumption.
REFRESH counter must be changed. Refer for
tion 12.11, “Refresh”
ory System”
passing mode are not affected by the VI_DVALID
signal.
mance. See
sor (e.g. ICP, EVO, etc.).
and support of 16 or 32-bit samples. 8-bit samples
are no longer supported.
other 1-bit high-speed serial data streams)
“PNX1300/01/02/11 DSPCPU Operations.”
ing, chroma keying, genlock). See
“Enhanced Video Out.”
ROM/Flash memories on the external bus. See
Chapter 22, “PCI-XIO External I/O Bus.”
cessor. Information available to DVD product devel-
opers on special request.
11, “PCI Interface.”
NEW IN PNX1300 (VERSUS TM-1100)
NEW IN PNX1300 (VERSUS TM-1000)
for details.
Chapter 11, “PCI Interface.”
in
Philips Semiconductors
Chapter 12, “SDRAM Mem-
Appendix A,
Chapter 7,
Section 2.6
Section 2.7
Chapter
Sec-
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