Quectel BC66 User Manual

NB-IoT Module Series
BC66&BC660K-GL Compatible Design
BC66&BC660K-GL_Compatible_Design 11 / 30
2.3. Pin Assignment
The following figure shows the pin assignment of BC66 and BC660K-GL.
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
ADC0
USIM_GND
USIM_DATA
GND
RESERVED
RESERVED
RESERVED
RESERVED
GND
RESERVED
RESERVED
VDD_EXT
RESERVED
RESERVED
RI
PSM_EINT
MAIN_RXD
MAIN_TXD
NETLIGHT
RESET_N
USIM_VDD
VBAT
45
46
47
48
49 50 51
52
53
54
55
565758
VBAT GND
14
ANT_RF
GND GND GND RESERVED DBG_TXD DBG_RXD
USIM_RST
USIM_CLK
RESERVED
BOOT
RESERVED
GND
BC66/
BC660K-GL
Top View
GPIO1
GPIO3
GPIO4
RESERVED
RESERVED
GRFC2
VIO_SEL
GPIO2
GRFC1
RESERVED
ADC0
SIM_GND
SIM_DATA
SIM_RST
SIM_CLK
PWRKEY
RESERVED
GND
RESERVED
RESERVED
RESERVED
RESERVED
Red：BC66
Black：BC660K-GL
RESERVED
RI
PSM_EINT
RXD
TXD
NETLIGHT
RESET
SIM_VDD
RESERVED
GND
RESERVED
RESERVED
RESERVED
RESERVED
GND
RESERVED
RESERVED
VDD_EXT
RESERVED
RF_ANT
TXD_AUX
RXD_AUX
VBAT_RF VBAT_BB GND GND GND GND RESERVED TXD_DBG RXD_DBG
USB_MODE
VUSB_3V3
USB_DP
USB_DM
RESERVED
RESERVED RESERVED RESERVED
RESERVED
RESERVED
RESERVED
GND
GND GND
RESERVED RESERVED RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Figure 1: BC66 & BC660K-GL Pin Assignment (Top View)
1. The pin names marked in red are defined for the BC66 module.
2. The pin names marked in black are defined for the BC660K-GL module.
3. Keep all reserved and unused pins disconnected.
NOTES

Quectel BC66 Specifications

General

Brand	Quectel
Model	BC66
Category	GSM/GPRS Modules
Language	English