參數(shù)資料
型號： TMPR3922AU
廠商： Toshiba Corporation
英文描述： 32-bit RISC Microprocessor for PDA（Personal Digital Assistants)(32位 精簡指令集系統(tǒng)計(jì)算機(jī)微處理器，用于掌上電腦PDA)
中文描述： 32位RISC微處理器的PDA（個人數(shù)字助理）（32位精簡指令集系統(tǒng)計(jì)算機(jī)微處理器，用于掌上電腦PDA）的
文件頁數(shù)： 1/45頁
文件大?。?/td> 343K
代理商： TMPR3922AU
2-FEB-1999
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45
TMPR3922AU
TMPR3922AU
(32-bit RISC Microprocessor)
1. GENERAL DESCRIPTION
The TMPR3922AU is a single-chip integrated digital ASSP for PDA(Personal Digital Assistants). The
TMPR3922AU consists of PDA system support logic, integrated with the TX3920 processor Core designed
by Toshiba.
2. FEATURES
- R3000A-based TX3920 Processor Core
RISC architecture developed by The MIPS Group, a division of Silicon Graphics, Inc.
Toshiba has added its own multiply-add and branch-likely instructions.
A single-cycle multiply/accumulate module to allow integrated DSP functions, such as a software modem
for high-performance standard data and fax protocols
Instruction cache: 16K bytes(2Way); data cache : 8K bytes(2Way)
On-chip Translation Lookaside Buffer (TLB) with 64
×
64-bit wide entries, each of which maps
4K/16K/64K/256K/1M/4M Byte page
Max 129MHz operation
- Built-in peripheral circuit
Clock generator with built-in sixteenfold-frequency phase-locked loop (PLL)
Four-stage write buffer
A high performance and flexible Bus Interface Unit
Multiple DMA channels
Memory controller for DRAM(EDO), SDRAM, SRAM, ROM, Flash Memory and PCMCIA
Power management unit
Big / Little endian
- Low power dissipation
3.3V(I/O) / 2.7V(Internal) operation
Standby Current 50
m
A(typ)
CPU clock stop mode
Power down modes for individual internal peripheral modules
- Plastic LQFP 208-pin package
The information contained herein is subject to change without notice.
TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in
general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of
the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure
of a TOSHIBA product could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most
recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor
Reliability Handbook
The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for
any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of TOSHIBA or others.
R3000A is a trademark of MIPS Technologies Inc.
TOSHIBA RISC PROCESSOR
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