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MOTOROLA MSC8101ADS RevB User’s Manual B-85
B15 ATMRXD7 (PA17) I/O, T.S. ATM Receive Data (7
c
:0). When the ATM port is enabled, this bus
carries the cell octets, read from the PM5350 receive FIFO. This
lines are updated on the rising edge of ATMRFCLK
b
.
When the ATM port is disabled, these lines are tristated and may
be used for any available respective function.
B16 ATMRXD6 (PA16)
B17 ATMRXD5 (PA15)
B18 ATMRXD4 (PA14)
B19 ATMRXD3 (PA13)
B20 ATMRXD2 (PA12)
B21 ATMRXD1 (PA11)
B22 ATMRXD0 (PA10)
B23 L1TXD(PA9) I/O, T.S. TDMA port transmit data. May be used for CODEC or T1/E1
applications. When TDMA port is disabled this line may be used
for any available function of PA9 Port A.
B24 L1RXD(PA8) I/O, T.S. TDMA port receive data. May be used for CODEC or T1/E1
applications. When TDMA port is disabled this line may be used
for any available function of PA8 Port A.
B25 L1TSYNC(PA7) I/O, T.S. TDMA port transmit frame sync input. In fact this pin used as PA8
Port A.
B26 L1RXSYNC(PA6) I/O, T.S. TDMA port frame sync input. May be used for CODEC or T1/E1
applications. When TDMA port is disabled this line may be used
for any available function of PA8 Port A.
B27 PA5 I/O, T.S. MSC8101’s Port A (5:2) Parallel I/O lines. May be used to any of
their available functions.
B28 PA4
B29 PA3
B30 PA2
B31 HD14 I/O, T.S. Host Interface Bidirectional Data Port D14 and D15. Present as
well as at P4 connector.
B32 HD15
C1 FETHTXER (PB31) I/O, T.S. Fast-Ethernet
d
Transmit Error (H). When the Ethernet port is
enabled, this signal will be asserted (High) by the MSC8101 when
an error is discovered in the transmit data stream. When the port
is operation at 100 Mbps, the LXT970 responds by sending
invalid code symbols on the line.
When the Ethernet port is disabled, this line may be used for any
available function of PB31.
C2 FETHRXDV (PB30) I/O, T.S. Fast-Ethernet Receive Data Valid (H). When this signal is
asserted (High) while the Fast Ethernet port is enabled and
FETHRXCK goes high, it indicates that data is valid on the MII
Receive Data lines - FETHRXD(3:0).
When the Fast Ethernet port is disabled, this line is tristated and
may be used for any available function of PB30.
TABLE B1-3. P2 - CPM Expansion - Interconnect Signals
Pin No. Signal Name Attribute Description
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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