Nortel Networks MSC8101 ADS user manual Table B1-2. P1 System Expansion Interconnect Signals

Models: MSC8101 ADS

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Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

Expansion - Interconnect Signals" below:

TABLE B1-2. P1 - System Expansion - Interconnect Signals

Pin No.

Signal Name

Attribute

Description

 

 

 

 

 

 

 

 

A1

EXPA16

O

Expansion Address (16a:31). This is a Latched-Buffered version

 

 

 

of the MSC8101’s PPC Address lines (16:31), provided for

A2

EXPA17

 

 

external tool connection. To avoid reflection these lines are series

 

 

 

terminated with 43 resistors.

A3

EXPA18

 

 

 

 

 

 

 

A4

EXPA19

 

 

 

 

 

 

A5

EXPA20

 

 

 

 

 

 

A6

EXPA21

 

 

 

 

 

 

A7

EXPA22

 

 

 

 

 

 

A8

EXPA23

 

 

 

 

 

 

A9

EXPA24

 

 

 

 

 

 

A10

EXPA25

 

 

 

 

 

 

A11

EXPA26

 

 

 

 

 

 

A12

EXPA27

 

 

 

 

 

 

A13

EXPA28

 

 

 

 

 

 

A14

EXPA29

 

 

 

 

 

 

A15

EXPA30

 

 

 

 

 

 

A16

EXPA31

 

 

 

 

 

 

A17

N.C.

-

Not connected.

 

 

 

 

A18

 

 

 

 

 

 

 

A19

EXPDVALb

I/O, T.S.

Expansion 60x bus Data Valid signal.

 

 

 

 

A20

3V3

P

+3.3V Power Out. These lines are connected to the main 3.3V

 

 

 

plane of the MSC8101ADS, this, to provide 3.3V power where

A21

 

 

 

 

necessary for external tool connected. The amount of current

 

 

 

allowed to be drawn from this power bus is found in TABLE 7-1.

A22

 

 

 

 

"Off-Board Application Maximum Current Consumption" on

 

 

 

A23

 

 

page 66.

 

 

 

 

A24

 

 

 

 

 

 

 

A25

N.C.

-

Not Connected.

 

 

 

 

MOTOROLA

MSC8101ADS RevB User’s Manual

B-77

For More Information On This Product,

Go to: www.freescale.com

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Nortel Networks MSC8101 ADS user manual Table B1-2. P1 System Expansion Interconnect Signals