Quectel BC68 User Manual

GSM/GPRS/NB-IoT Module Series
BC68&M66 Compatible Design
BC68&M66_Compatible_Design 10 / 31
2.3. Pin Assignment
The following figure shows the pin assignment of BC68 and M66.
GND
RESERVED
RESERVED
SIM_RST
SIM_CLK
RESERVED
VBAT
GND
GND
DBG_TXD
RESERVED
GND
GND
RF_ANT
14 15 16 17 18 19 20 21 22 36
37 38 39 40 41 42 43 44
1
2
3
4
5
6
7
8
9
10
11
12
13 23
24
25
26
27
28
29
30
31
32
33
34
35
RESERVED
ADC*
SIM_GND
SIM_DATA
GND
GND
RESERVED
RESERVED
VDD_EXT
RI
TXD
RXD
NETLIGHT*
RESET
SIM_VDD
VBAT
BC68
M66
+
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED RESERVED RESERVED
RESERVED
RESERVED
RESERVED
45
46
47
48
49
50
51
52
53
54
55
56
57
58
BC68/M66
Top View
AGND
SPK2P
MICP
MICN
SPK1P
SPK1N
PWRKEY
AVDD
ADC0
SIM_GND
SIM_DATA
SIM_VDD
RESERVED
RI
TXD
RXD
NETLIGHT
DTR
DCD
CTS
SIM_RST
SIM_CLK
RF_ANT
GND
GND
BT_ANT
RFTXMON
VDD_EXT
PCM_OUT
PCM_IN
PCM_SYNC
PCM_CLK
RTS
TXD_AUX
RXD_AUX
VRTC
VBAT
GND
GND
DBG_TXD
DBG_RXD
GND
GND
VBAT
Figure 1: BC68&M66 Pin Assignment
1. The black colored pin names are defined for BC68 module.
2. The green colored pin names are defined for M66 module.
3. The orange colored pins of BC68 are additional pins compared with M66.
NOTES

Quectel BC68 Specifications

General

Brand	Quectel
Model	BC68
Category	Control Unit
Language	English