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