Nortel Networks MSC8101 ADS User Manual

MOTOROLA

B-77

:

A1

EXPA16

O

Expansion Address (16

a

:31). This is a Latched-Buffered version

of the MSC8101’s PPC Address lines (16:31), provided for
external tool connection. To avoid reflection these lines are series
terminated with 43 

Ω resistors.

A2

EXPA17

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
necessary for external tool connected. The amount of current
allowed to be drawn from this power bus is found in 

"Off-Board Application Maximum Current Consumption" on

A21

A22

A23

A24

A25

N.C. -

Not 

Connected.

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Freescale Semiconductor, Inc.

For More Information On This Product,

   Go to: www.freescale.com

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