PNX1502E/G,557 NXP Semiconductors, PNX1502E/G,557 Datasheet - Page 91
PNX1502E/G,557
Manufacturer Part Number
PNX1502E/G,557
Description
IC MEDIA PROC 300MHZ 456-BGA
Manufacturer
NXP Semiconductors
Specifications of PNX1502E/G,557
Applications
Multimedia
Core Processor
TriMedia
Controller Series
Nexperia
Interface
I²C, 2-Wire Serial
Number Of I /o
61
Voltage - Supply
1.23 V ~ 1.37 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
456-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Type
-
Ram Size
-
Lead Free Status / Rohs Status
Compliant
Other names
568-1298
935277748557
PNX1502E/G
935277748557
PNX1502E/G
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Philips Semiconductors
Volume 1 of 1
5. TM3260 VLIW Media Processor Core
PNX15XX_SER_3
Product data sheet
PNX15xx Series provides 5 chip selects for the XIO bus. The TM3260 can execute or
read from direct addressable Flash types. Execution from Flash is low performance,
and only recommended for boot usage. After boot, it is recommended that code files
be transferred from Flash to DRAM where they can be executed more efficiently.
Flash cannot be the target of a module DMA write, because write operations require
a software flash programming protocol.
Execution and direct addressed read operations only apply to addressable Flash
types, such as traditional Flash, and not to the “file system like” NAND Flash type.
Peak page mode read performance is 66 MB/s for 16-bit devices and 33 MB/s for 8-
bit devices such as the configurable x8/x16 Intel StrataFlash (28FxxxJ3A, 32Mbits,
64Mbits, 128Mbits) and ST MLC-NOR flash (M58LW064A, 64Mbits). Cross-page
random read accesses each take 4 to 5 PCI clock cycles depending on the access-
time of the device.
Flash is mostly used during system boot or low bandwidth system operation to
provide a small, non-volatile file system.
The TM3260 CPU is a version of the TriMedia 32-bit VLIW media processor. This
Very Long Instruction Word (VLIW) processor operates at up to 300 MHz with 5
instructions per clock cycle, and provides an extensive set of multimedia instructions.
It implements the TriMedia PNX1300 Series instruction set, and has a superset of the
PNX1300 Series functional units as well as a superset of the multimedia instruction
set for better fit with MPEG-4 advanced profile decoding. It is backwards compatible
with PNX1300 Series CPU, but has a larger Instruction cache (also referred as I$ or
Icache) for improved performance. In addition, re-compilation of source code results
in higher media performance due to the additional functional units.
The TM3260 supports 32-bit integer and IEEE compatible 32-bit floating point data
formats. It also provides a Single Instruction Multiple Data (SIMD) style operation set
for operating on dual 16-bit or quad 8-bit packed data.
The TM3260 has sufficient compute performance to deal with a variety of future
operating modes. By itself, the processor can decode any known compressed video
stream and associated audio at full frame rate, such as decoding a DV camcorder
image stream, MPEG-2 or MPEG-4 decode. The processor is also capable of doing
all audio and video compression, decompression and processing necessary for bi-
directional video conferencing.
•
•
At 266 MHz it has a peak floating point compute capacity of 1.0 Goperations/s,
and has 1.3 Gmultiply-add/s capability on 16-bit data. Its dual access 16 KB 8-
way set-associative data cache provides a CPU local data bandwidth of 2.0 GB/s.
Its 64 KB 8-way set-associative instruction cache provides 224 bits of instructions
every clock cycle (7.1 GB/s), for an instruction rate of 8.8 Gop/s.
At 300 MHz it has a peak floating point compute capacity of 1.4 Goperations/s,
and has 1.5 Gmultiply-add/s capability on 16-bit data. Its dual access 16 KB 8-
way set-associative data cache provides a CPU local data bandwidth of 2.3 GB/s.
Its 64 KB 8-way set-associative instruction cache provides 224 bits of instructions
every clock cycle (8.0 GB/s), for an instruction rate of 9.9 GB/s.
Rev. 3 — 17 March 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX15xx Series
Chapter 2: Overview
2-10
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