MB86R01 Datasheet, PDF (23/89 Pages) Fujitsu Component Limited. – MB86R01 DATA SHEET

MB86R01 DATA SHEET
7.2.1. External bus interface related pin
Pin name
I/O
Polarity
Analog
/Digital
Type
Status of pin
after reset
Description
MEM_XCS[4]
O
N
MEM_XCS[2]
O
N
MEM_XCS[0]
O
N
MEM_XRD
O
N
MEM_XWR[3:2] O
N
MEM_XWR[1:0] O
N
MEM_RDY
I
P
MEM_EA[24:1]
O
-
MEM_ED[31:16] IO
-
MEM_ED[15:0] IO
-
DREQ[7:6]
I
-
XDACK[7:6]
O
P
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
H
Chip select 4
H
Chip select 2
H
Chip select 0
H
Read strobe
H
Write strobe
MEM_XWR[3] -> MEM_ED[31:24],
MEM_XWR[2] -> MEM_ED[23:16]
(optional pin)
H
Write strobe
MEM_XWR[1] -> MEM_ED[15:8],
MEM_XWR[0] -> MEM_ED[7:0]
-
Ready input for slow device
L
Address bus
HiZ Bi-directional data bus (optional pin)
HiZ Bi-directional data Bus
-
External DMA request
L
External DMA acknowledge
7.2.2. IDE66 related pin
Pin name
IDE_XDRESET
IDE_DD[15:0]
IDE_XDCS[1:0]
IDE_DA[2:0]
IDE_XDIOR
IDE_XDIOW
IDE_DIORDY
IDE_DDMARQ
IDE_XDDMACK
IDE_CSEL
IDE_XIOCS16
IDE_XDASP
IDE_DINTRQ
IDE_XCBLID
I/O
Polarity
Analog
/Digital
Type
Status of pin
after reset
Description
O
N
IO
-
O
N
O
P
O
N
O
N
I
P
I
P
O
N
O
P
I
N
I
N
I
P
I
N
D
-
D
PD
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
-
D
PD
D
PD
D
PD
H
IDE reset
L
IDE device data
H
IDE chip select
L
IDE device address
H
IDE device I/O read
H
IDE device I/O write
-
IDE I/O channel ready
-
IDE device DMA request
H
IDE device DMA acknowledge
L
IDE cable select
-
IDE 16 bit I/O
-
IDE device active
-
IDE Interrupt
-
IDE cable ID
FUJITSU MICROELECTRONICS
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PROPRIETARY AND CONFIDENTIAL