Motorola MSC8101 ADS User Manual download pdf (Page 78)

MOTOROLA MSC8101ADS RevB User’s Manual B-77

Expansion - Interconnect Signals" below:

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

Pin No. Signal Name Attribute Description

A1 EXPA16 O Expansion Address (16

: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

TABLE 7-1.

"Off-Board Application Maximum Current Consumption" on

page 66

A21

A22

A23

A24

A25 N.C. - Not Connected.

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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