Cavli Wireless C100QM/C10QM Hardware Manual
25
20
RESET
DI
Module reset pin
Low level reset module
USB interface
NO.
Definition
IO
Functional description
Remarks
71
USB_VBUS
PI
USB Detection
69
USB_D+
IO
USB
bus
differential
positive signal
90Ωdifferential
impedance
70
USB_D-
IO
USB
bus
differential
negative signal
90Ωdifferential
impedance
UART interface (main serial port)
NO.
Definition
IO
Functional
description
Remarks
62
RI
DO
Ringing prompt
Wake up the host, please keep it
empty when not in use
63
DCD
DO
Carrier detection
please keep it empty when not in
use
64
CTS
DO
Clear send
please keep it empty when not in
use
65
RTS
DI
Request to send
please keep it empty when not in
use
66
DTR
DI
Module sleep mode
control
please keep it empty when not in
use
67
TXD
DO
Serial
data
transmission
please keep it empty when not in
use
68
RXD
DI
Serial data reception
please keep it empty when not in