M16 EVB User Guide
3.7. Test points
3.7.1
J1 test points
Figure 10: J1 test points
Table 10: Pins of J1
Pin
Signal
I/O
Description
1 Reserve
2 RI0 O
Ring
indicator
3 TXD0 O
Transmit
data
4 RXD0 I
Receive
data
5 CTS0 O
Clear
to
send
6 RTS0 I
Request
to
send
7 DTR0 I
Data
terminal
ready
8
DCD0
O
Data carrier detection
9 GND
10 GND
Digital ground
M16_EVB_UGD_V1.01
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