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UPD30121

NEC
Part Number UPD30121
Manufacturer NEC
Description 64-/32-BIT MICROPROCESSOR
Published Apr 17, 2005
Detailed Description DATA SHEET MOS INTEGRATED CIRCUIT µPD30121 VR4121 64-/32-BIT MICROPROCESSOR TM The µPD30121 (VR4121) is one of NEC’...
Datasheet PDF File UPD30121 PDF File

UPD30121
UPD30121


Overview
DATA SHEET MOS INTEGRATED CIRCUIT µPD30121 VR4121 64-/32-BIT MICROPROCESSOR TM The µPD30121 (VR4121) is one of NEC’s VR SeriesTM RISC (Reduced Instruction Set Computer) microprocessors and is a high-performance 64-/32-bit microprocessor employing the MIPS TM RISC architecture.
The VR4121 uses the high-performance, super power-saving VR4120TM as the CPU core, and has many peripheral functions such as a DMA controller, software modem interface, serial interface, keyboard interface, IrDA interface, touch panel interface, real-time clock, A/D converter, and D/A converter.
Configured with these functions, the VR4121 is suitable for high-speed battery-driven portable information systems.
The external memory bus width can be selected from 32 bits and 16 bits, realizing high-speed data transfer.
Detailed function descriptions are provided in the following user’s manual.
Be sure to read it before designing.
• VR4121 User’s Manual (U13569E) DESCRIPTION FEATURES • Employs 64-bit MIPS archi...



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