Quectel BC68 User Manual

GSM/GPRS/NB-IoT Module Series
BC68&M66 Compatible Design
BC68&M66_Compatible_Design 13 / 31
1. The red colored pins are compatible pins with different functionalities.
2. The black colored pins are compatible pins with the same functionality.
3. The orange colored pins of BC68 are additional pins compared with M66.
4. Keep all reserved and unused pins unconnected.
5. All GND pins should be connected to ground.
6. “*” means under development.
25
RESERVED
/
/
RFTXMON
DO
Transmission signal
indication
26
RESERVED
/
/
BT_ANT
IO
BT antenna pad
28
RESERVED
/
/
RXD_AUX
DI
Receive data
29
RESERVED
/
/
TXD_AUX
DO
Transmit data
30
RESERVED
/
/
PCM_CLK
DO
PCM clock
31
RESERVED
/
/
PCM_SYNC
DO
PCM frame
synchronization
32
RESERVED
/
/
PCM_IN
DI
PCM data input
33
RESERVED
/
/
PCM_OUT
DO
PCM data output
35
RF_ANT
IO
RF antenna pad
RF_ANT
IO
RF antenna pad
38
RESERVED
/
/
DBG_RXD
DI
Receive data
39
DBG_TXD
DO
Transmit data
DBG_TXD
DO
Transmit data
42
VBAT
PI
Main power supply
of the module:
VBAT=3.1V~4.2V
VBAT
PI
Main power supply of
module:
VBAT=3.3V~4.6V
43
VBAT
PI
Main power supply
of the module:
VBAT=3.1V~4.2V
VBAT
PI
Main power supply of
module:
VBAT=3.3V~4.6V
44
RESERVED
/
/
VRTC
IO
Power supply for RTC
when VBAT is not
supplied for the module.
27, 34,
36, 37,
40, 41,
GND
/
Ground
GND
/
Ground
45~58
RESERVED
/
/
/
/
/
NOTES

Quectel BC68 Specifications

General

Brand	Quectel
Model	BC68
Category	Control Unit
Language	English