Cavli Wireless C100QM - 3.6.2 Debug Serial Port; 3.6.3 RI and DTR Interface

Cavli Wireless C100QM/C10QM Hardware Manual
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Figure 3-14 Level conversion chip circuit
3.6.2 Debug serial port
The 11th and 12th pins of the module are debug serial port pins, and the debug serial port
supports 115200bps baud rate. It is used for Linux control, log printing, and can reserve
test points for module debugging. Please do not keep it floating.
Table 3-10 Debug serial port pin definition
NO
.
Signal
name
I/O
description
parameter
Level value (V)
remarks
MIN
Typical
MAX
11
DBG_RXD
DI
UART data
reception
VIH
1.2
1.8
2
VIL
-0.3
0.6
12
DBG_TXD
DO
UART data
transmissio
n
VOH
1.35
1.8
2
VOL
0
0.45
3.6.3 RI and DTR interface
The C100QM/C10QM module supports the serial sleep wake-up function, and the RI pin
can be used as an interrupt to wake up the host.
RI:
The RI pin can be used as an interrupt to wake up the host.