RZSLASHT2M datasheet(16/127 Pages) RENESAS

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Table 1.17

Pin functions (3 of 7)

Classification

Pin name

I/O

Description

Bus state controller (BSC)

A25 to A0

Output

Output the address

D31 to D0

I/O

Input and output the data

CS0#, CS2#, CS3#, CS5#

Output

Output the chip select signal for the external memory

or device.

RD#

Output

Outputs the strobe signal which indicates a read is in

progress.

RD/WR#

Output

Outputs the strobe signal which indicates a read or

write access

BS#

Output

Outputs the status signal which indicates the start of

the bus cycle

AH#

Output

Outputs the address hold signal for the device that

uses the multiplexed I/O interface

WAIT#

Input

Inputs the external wait control signal which inserts a

wait cycle into the bus cycle

WE0#

Output

Outputs the write strobe signal to D7 to D0

WE1#

Output

Outputs the write strobe signal to D15 to D8

WE2#

Output

Outputs the write strobe signal to D23 to D16

WE3#

Output

Outputs the write strobe signal to D31 to D24

DQMLL

Output

Outputs the data mask enable signal to D7 to D0 when

SDRAM is connected

DQMLU

Output

Outputs the data mask enable signal to D15 to D8

when SDRAM is connected

DQMUL

Output

Outputs the data mask enable signal to D23 to D16

when SDRAM is connected

DQMUU

Output

Outputs the data mask enable signal to D31 to D24

when SDRAM is connected

RAS#

Output

Outputs the row-address strobe signal to the SDRAM.

This pin should be connected to the RAS# pin on the

SDRAM.

CAS#

Output

Outputs the column-address strobe signal to the

SDRAM. This pin should be connected to the CAS# pin

on the SDRAM.

CKE

Output

Outputs the clock enable signal to the SDRAM. This

pin should be connected to the CKE pin on the

SDRAM.

Direct memory access

controller (DMAC)

DREQ

Input

Inputs the DMA transfer request signal from the

external device

DACK

Output

Outputs the acknowledge signal which indicates

acceptance of the DMA transfer request from the

external device

TEND

Output

Outputs the DMA transfer end signal

Interrupt

NMI

Input

Inputs the non-maskable interrupt request signal

IRQ0 to IRQ15

Input

Input the external interrupt request signal

RZ/T2M Datasheet

1. Overview

R01DS0383EJ0100 Rev.1.00

Mar 22, 2022

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