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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
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
TABLE 7-1.
"Off-Board Application Maximum Current Consumption" on
page 66
.
A21
A22
A23
A24
A25 N.C. - Not Connected.
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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