Nortel Networks MSC8101 ADS 用户手册
MOTOROLA
MSC8101ADS RevB User’s Manual
B-93
B•1•7
P12 - Ethernet Port Connector
The Ethernet connector on the MSC8101ADS - P12, is a Twisted-Pair (10-Base-T) compatible
connector. It is implemented with a 90
connector. It is implemented with a 90
o
, 8-pin, RJ45 connector, signals of which are described in
B•1•8
P15,P16 - SMB Connectors
These are RF Subminiature Coaxial Connectors.
B•1•9
P17,P18 - Double RJ45 T1/E1 Line Connectors
The T1/E1 connectors Twisted-Pair compatible connector. It is implemented with a 90
o
, 8-pin,
double RJ45 connector, signals of which are described in
9
RST
I/O,P.U.
In fact, HRESETb. When asserted by an external H/W, generates
Hard-Reset sequence for the MSC8101. During that sequence,
asserted by the MSC8101 for 512 system clocks. Pulled Up on
the ADS using a 1K
Hard-Reset sequence for the MSC8101. During that sequence,
asserted by the MSC8101 for 512 system clocks. Pulled Up on
the ADS using a 1K
Ω resistor.
When driven by an external tool, MUST be driven with an Open
Drain gate. Failure to do so might result in permanent
damage to the MSC8101 and / or to ADS logic.
Drain gate. Failure to do so might result in permanent
damage to the MSC8101 and / or to ADS logic.
10
TMS
I
Test Mode Select. This signal qualified with TCK in a same
manner as TDI, changes the state of the JTAG machines. This
line is pulled up internally by the MSC8101.
manner as TDI, changes the state of the JTAG machines. This
line is pulled up internally by the MSC8101.
11
VDD
P
Connect to 3.3V power supply bus. May be used for Command
Convertor power.
Convertor power.
12
N.C.
-
Not Connected.
13
14
TRSTb
I
Test port Reset. When this signal is active (Low), it resets the
JTAG logic of both the MSC8101. This line is pull-down on the
ADS with a 2.2K
JTAG logic of both the MSC8101. This line is pull-down on the
ADS with a 2.2K
Ω resistor, to provide constant reset of the JTAG
logic.
TABLE B1-7. P12 - Ethernet Port Interconnect Signals
Pin
No.
Signal Name
Description
1
TPTX(GRAY)
Twisted-Pair Transmit Data positive output from the MSC8101ADS.
2
TPTX~(BROWN)
Twisted-Pair Transmit Data negative output from the MSC8101ADS.
3
TPRX(YELLOW)
Twisted-Pair Receive Data positive input to the MSC8101ADS.
4
(RED,GREEN)
Bob Smith terminated on the MSC8101ADS.
5
6
TPRX~(BLACK)
Twisted-Pair Receive Data negative input to the MSC8101ADS.
7
(BLUE,ORANGE)
Bob Smith terminated on the MSC8101ADS.
8
TABLE B1-6. P6 - JTAG/ONCE Connector - Interconnect Signals
Pin No.
Signal Name
Attribute
Description
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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