UPD30121 NEC [NEC], UPD30121 Datasheet

UPD30121

Manufacturer Part Number

UPD30121

Description

VR4121TM 64-/32-BIT MICROPROCESSOR

Manufacturer

NEC [NEC]

Datasheet

1.UPD30121.pdf (76 pages)

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Document No. U14691EJ1V0DS00 (1st edition)

Date Published June 2000 N CP(K)

Printed in Japan

DESCRIPTION

and is a high-performance 64-/32-bit microprocessor employing the MIPS

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

be selected from 32 bits and 16 bits, realizing high-speed data transfer.

designing.

FEATURES

APPLICATIONS

ORDERING INFORMATION

• Employs 64-bit MIPS architecture

• Supports MIPS16 instruction set

• Supports high-speed product-sum operation

• Supports four types of operating modes, enabling

• Internal maximum operating frequency: 131/168 MHz

• On-chip clock generator

• Address space physical: 32 bits

• High-capacity instruction/data separated cache

4121 is suitable for high-speed battery-driven portable information systems. The external memory bus width can

The PD30121 (V

The V

Detailed function descriptions are provided in the following user’s manual. Be sure to read it before

Battery-driven portable information systems

Embedded controllers, etc.

• Conforms to MIPS III instruction set (deleting FPU,

• Optimized 6-stage pipeline

instructions

more effective power-consumption management

Integrates 32 double entry TLBs

memories

Instruction:

Data:

LL, LLD, SC, and SCD instructions)

PD30121F1-131-GA1

PD30121F1-168-GA1

4121 uses the high-performance, super power-saving V

Part Number

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for

availability and additional information.

16 Kbytes

8 Kbytes

virtual:

4121) is one of NEC’s V

64-/32-BIT MICROPROCESSOR

40 bits

224-pin plastic FBGA (16

DATA SHEET

4121 User’s Manual (U13569E)

Series

Package

4121

RISC (Reduced Instruction Set Computer) microprocessors

• Memory controller (ROM, EDO-type DRAM,

• Keyboard interface and touch panel interface

• Serial interface (NS16550 compatible)

• IrDA interface for infrared communication

• Software modem interface

• A/D and D/A converters to support digital voice I/O

• Supports ISA bus subset

• Power supply voltage: V

• Package: 224-pin fine-pitch FBGA

• 4-channel DMA controller

synchronous DRAM (SDRAM), synchronous ROM

(SROM), and flash memory supported)

3.3 V (external) (131 MHz model)

16)

MOS INTEGRATED CIRCUIT

4120

as the CPU core, and has many peripheral

RISC architecture.

Internal Maximum Operating Frequency

PD30121

2 = 2.5 V (internal), V

131 MHz

168 MHz

3 =

2000

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