UPD705101 Просмотр технического описания (PDF) - NEC => Renesas Technology

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Компоненты Описание

производитель

UPD705101

V831™ 32-BIT MICROPROCESSOR

NEC => Renesas Technology 

1. PIN FUNCTIONS LIST

Pin Name

D0-D31

A1-A23

UUCAS

ULCAS

LUCAS

LLCAS

RAS

UUMWR

ULMWR

LUMWR

LLMWR

MRD

WE

OE

IORD

IOWR

REFRQ

CS1, CS2, CS7

CS3-CS6

BCYST

BT16B

READY

DMARQ0-DMARQ3

DMAAK0-DMAAK3

TC

RXD

TXD

SI

SO

SCLK

TI

TCLR

TO10

TO11

I/O

3-state I/O

3-state output

Input

Output

Input

Output

Input

Output

I/O

Input

Output

Function

Data bus

Address bus

Column address strobe (most significant byte)

Column address strobe (most significant byte)

Column address strobe (third byte)

Column address strobe (least significant byte)

Row address strobe/chip select

Memory write strobe (most significant byte)

Memory write strobe (second byte)

Memory write strobe (third byte)

Memory write strobe (least significant byte)

Memory read strobe

DRAM write strobe

DRAM read strobe

I/O read strobe

I/O write strobe

DRAM refresh request

Memory chip select

Memory chip select / I/O chip select

Bus cycle start

Specifies bus size on boot

Enables end of bus cycle

DMA request (CH0 through CH3)

DMA enable (CH0 through CH3)

DMA transfer end

UART data input

UART data output

CSI data input

CSI data output

CSI clock I/O

Timer 1 count clock input

Timer 1 clear, start

RPU pulse output

µPD705101

(1/2)

Multiplexed Pin

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

TC

–

–

–

–

–

–

–

REFRQ

–

–

PORT2

PORT1

PORT0

–

–

INTP10

INTP12

6

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