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Title Philips PR31100 Preliminary specification
Released 1996 Aug 7
Version 1.2
Author Philips Semiconductors
Category:   Technical datasheet
File Technical datasheetDownload File

Additional InformationAdditional Information: 

Description
PR31100 Processor is a single-chip, low-cost, integrated embedded
processor consisting of MIPS R3000 core and system support logic
to interface with various types of devices.
PR31100 consists of a MIPS R3000 RISC CPU with 4 KBytes of
instruction cache memory and 1 KByte of data cache memory, plus
integrated functions for interfacing to numerous system components
and external I/O modules. The R3000 RISC CPU is also augmented
with a multiply/accumulate module to allow integrated DSP
functions, such as a software modem for high-performance standard
data and fax protocols. PR31100 also contains multiple DMA
channels and a high-performance and flexible Bus Interface Unit
(BIU) for providing an efficient means for transferring data between
external system memory, cache memory, the CPU core, and
external I/O modules. The types of external memory devices
supported include dynamic random access memory (DRAM),
synchronous dynamic random access memory (SDRAM), static
random access memory (SRAM), Flash memory, read-only memory
(ROM), and expansion cards (PCMCIA and/or MagicCard).
PR31100 also contains a System Interface Module (SIM) containing
integrated functions for interfacing to numerous external I/O
modules such as liquid crystal displays (LCDs), the UCB1100 (which
handles most of the analog functions of the system, including sound
and telecom codecs and touchscreen ADC), ISDN/high-speed
serial, infrared, wireless peripherals, Magicbus, etc. Lastly, PR31100
contains support for implementation of power management,
whereby various PR31100 internal modules and external
subsystems can

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Language:   English


Datasheet AttributesDatasheet Attributes: 

Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Final
AddedThe exact time of the datasheet addition 2005-07-21 06:13
 
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