TX4925 View Datasheet(PDF) - Toshiba

Part Name

Description

Manufacturer

TX4925

64-bit RISC MICROPROCESSOR

Toshiba 

INTEGRATED CIRCUIT

TOSHIBA RISC PROCESSOR

TMPR4925XB

TENTATIVE

2.2 System Block Diagram

Figure 2.2 shows the system block diagram with TX4925.

PLL

Debug (DSU)

D$(16K) IU

G

I$(16K) I

GPR

MAC

MMU

WB

B

BIU U

S

FPU

TX49/H2 CPU Core

32bit Gbus

NAND Flash C

SDRAMC

DMAC

External BUS

Controller

External BUS

Interface

PCIC

CHI

AC

Command/Data/

Address signals

SDRAM Control

signals

NAND Flash Memory

SDRAM Memory

Devices

External System Bus

(Data=32bit, Address=20bit)

Control

Signals

ROM/

Flash/

SRAM

External

I/O

Devices

IM bus

IM bus

bridge

SIO

PIO

IRC

ACLC

SPI

RTC

Timer

32

PCI Bus

PCI Devices

User logic

PCIC

Figure 2.2 Typical TX4925 System Block Diagram

EJC-TMPR4925XB -3

26/Dec/01 Rev 0.1

TOSHIBA CORPORATION

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