PM5366-PI datasheet(65/267 Pages) PMC

65 / 267 page

PRELIMINARY

PM5366 TEMAP-84

DATASHEET

PMC-2010672

ISSUE 1

HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER

AND M13 MULTIPLEXER

PROPRIETARY AND CONFIDENTIAL

Pin Name

Type

No.

Function

Microprocessor Interface

INTB

Output

T21 Active low Open-Drain Interrupt (INTB). This signal

goes low when an unmasked interrupt event is

detected on any of the internal interrupt sources. Note

that INTB will remain low until all active, unmasked

interrupt sources are acknowledged at their source.

CSB

Input

AA15 Active Low Chip Select (CSB). This signal is low

during TEMAP-84 register accesses.

The CSB input has an integral pull up resistor.

RDB

Input

W17 Active Low Read Enable (RDB). This signal is low

during TEMAP-84 register read accesses. The

TEMAP-84 drives the D[7:0] bus with the contents of

the addressed register while RDB and CSB are low.

WRB

Input

AB16 Active Low Write Strobe (WRB). This signal is low

during a TEMAP-84 register write access. The D[7:0]

bus contents are clocked into the addressed register

on the rising WRB edge while CSB is low.

D[0]

D[1]

D[2]

D[3]

D[4]

D[5]

D[6]

D[7]

I/O

U22

T20

V19

U21

U20

W22

Y22

Y21

Bidirectional Data Bus (D[7:0]). This bus provides

TEMAP-84 register read and write accesses.

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