EVB User Guide
M80_EVB_UGD_V1.0
- 25 -
3.10.4 CON104
1
2
3
4
5
6
7
8
9
10
Figure 19: CON104
Table 18: Pins of CON104
Pin
Signal
I/O
Description
Note
1
RESERVED
2
TXD
O
Transmit data
3
GND
GND
4
RI
O
Ring indicator
5
EINT1
I
External interrupt
6
RXD
I
Receive data
7
DCD
O
Data carrier detection
8
CTS
O
Clear to send
9
DTR
I
Data terminal ready
10
RTS
I
Request to send
Quectel
Confidential
