MB86616 데이터 시트보기 (PDF) - Fujitsu

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MB86616

IEEE1394-SCSI Tailgate

Fujitsu 

MB86616

s PIN DESCRIPTION

1. IEEE 1394 Interface

Signal name

I/O

TPA0, TPA1

I/O

TPA0, TPA1

I/O

TPB0, TPB1

I/O

TPB0, TPB1

I/O

TPBIAS0, TPBIAS1

O

Function

TPA positive-signal input/output pin at IEEE 1394 port

TPA negative-signal input/output pin at IEEE 1394 port

TPB positive-signal input/output pin at IEEE 1394 port

TPB negative-signal input/output pin at IEEE 1394 port

Common-voltage reference voltage output pin at IEEE 1394 port

2. SCSI Interface

Signal name

I/O

Function

REQ,

ACK,

ATN,

MSG,

CD,

IO,

RST,

BSY,

SEL

I/O SCSI control signal input/output pins

DB0 to DB7

I/O Input/output pins for SCSI data bus

DBP

I/O Parity bit input/output pins for SCSI data bus

3. Internal CPU Pins (for Normal Operation Mode)

Note that the pin functions covered in this section are enabled only in the normal operation mode (with the

MODEA pin = “L”) .

Signal name

I/O

Function

A01 to A18

O

Address output pins

D00 to D15

I/O Data input pins

WR

O

Write strobe signal output pin

RD

O

Read strobe signal output pin

Pin to output the external flash ROM chip enable signal.

CS

O

This signal is output for accessing an address from F80000h to FFFFFFh in

memory space.

P74 to P76

P90 to P93

I/O General-purpose input/output port pins

MD0 to MD2

I

CPU block mode setting pins.

Connect all of these pins to GND on this device.

6

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