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3 i/o pins, Ordinary bus interface, Memory interface – FUJITSU MB91460 SERIES FR60 User Manual

Page 526: Dma interface, 4 register list

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Chapter 31 External Bus

1.Overview of the External Bus Interface

1.3 I/O Pins

The I/O pins are external bus interface pins (Some pins have other uses).

The following lists the I/O pins for each interface:

Ordinary bus interface

A31 to A00, D31 to D00 (AD15 to AD00)

CS0, CS1, CS2, CS3, CS4, CS5, CS6, CS7

AS, SYSCLK, MCLK

RD

WR, WR0(UUB), WR1(ULB), WR2(ULB), WR3(ULB)

RDY, BRQ, BGRNT

Memory interface

MCLK, MCLKE

MCLKI (for SDRAM)

LBA(=AS), BAA (for burst ROM/FLASH)

SRAS, SCAS, SWE (=WR) (for SDRAM)

DQMUU,DQMUL,DQMLU,DQMLL (for SDRAM (=WR0, WR1, WR2, WR3))

DMA interface

IOWR, IORD

DACK0, DACK1

DREQ0, DREQ1

DEOP0, DEOP1

1.4 Register List

Figure 1-2

"List of External Bus Interface Registers" shows the registers used by the external bus interface: