MOTOROLA
MSC8101ADS RevB User’s Manual
B-95
B•1•12 P26 - 5V Power Supply
Connectors
See
FIGURE 3-4, "P26: +5V Power Connector" on page 21
.
B•1•13 P27A,B - RS232 Ports’ Connectors
The RS232 ports’ connectors - PA3 and PB3 are 9 pin, 90
o
, female D-Type Stacked connectors,
signals of which are presented in
TABLE B1-10. "P27A Interconnect Signals"
and
TABLE B1-11.
"P27B Interconnect Signals"
TABLE B1-10. P27A Interconnect Signals
Pin No.
Signal Name
Description
A1
RSCD
Carrier Detect
output
from the MSC8101ADS.
A2
TXD
Transmit Data
output
from the MSC8101ADS.
A3
RXD
Receive Data
input
to the MSC8101ADS.
A4
DTR
Data Terminal Ready
input
to the MSC8101ADS.
A5
GND
Ground signal of the MSC8101ADS.
A6
DSR
Data Set Ready
output
from the MSC8101ADS shorted to pin 1
A7
N.C.
Not connected
A8
CTS
Clear To Send
output
from the MSC8101ADS.
A9
N.C.
Not connected
TABLE B1-11. P27B Interconnect Signals
Pin No.
Signal Name
Description
B1
N.C.
Not connected
B2
TXD
Transmit Data
output
from the MSC8101ADS.
B3
RXD
Receive Data
input
to the MSC8101ADS.
B4
N.C.
Not connected
B5
GND
Ground signal of the MSC8101ADS.
B6-B9
N.C.
Not connected
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
.
..