Philips Semiconductors Programmable Logic Devices

Product specification

PLHS501/PLHS501I

Programmable macro logic

PML

™

October 22, 1993

12

APPLICATIONS

MASTER

SLAVE

MODULE

SPECIFIC

MODULE

SPECIFIC

BUS

CONTROL

PLHS501

CLOCK

ADDRESS, DATA,

CONTROL AND PARITY

ARBITRATION

ARBITRATION

CLOCK

ORIGINATION

N U B U S

SLOT ID

SLOT ID

–ADL

–CDSETUP

–M/–IO

–S1

–S0

–A2

–A1

–A0

–CMD

D07

|

D00

CHRESET

7-BIT

LATCH

8-BIT

LATCH

POS

BYTE

2

CARD

I.D.

POS

BYTE

1

CARD

I.D.

POS

BYTE

0

OCTAL

3 to 1

MULTIPLEXER

3-STATE

DRIVER

TRANSCEIVER

CONTROL

BUFEN

DIR

POS

BYTE 2

DATA OUTPUT

8

8

8

8

8

8

7

Block Diagram of Basic POS Implementation in PLHS501

NuBus is a trademark of Texas Instruments, Inc.