Specifications

Page
10
Bluetooth Module
CDB-BM2853C-00
NO
Name
Description
1 RFIO
Bluetooth transmitter output/receiver input
2 GND Ground
3 GPIO13
Bit13 of GPIO
4 GPIO12
Bit12 of GPIO
5 GPIO0
Bit0 of GPIO
6 GPIO1
Bit1 of GPIO
7 GPIO2
Bit2 of GPIO
8 GPIO14
Bit14 of GPIO
9 GPIO15
Bit15 of GPIO
10 GPIO16
Bit16 of GPIO
11
GPIO17
Bit17 of GPIO
12 GPIO28
Bit28 of GPIO
13 GPIO20
Bit20 of GPIO
14 GPIO21
Bit21 of GPIO
15 GPIO22
Bit22 of GPIO
16 GPIO23
Bit23 of GPIO
17 GPIO24
Bit24 of GPIO
18 GPIO25
Bit25 of GPIO
19 GPIO26
Bit26 of GPIO
20 GPIO27
Bit27 of GPIO
21 GND Ground
22 USB_DP
USB signal DP
23
USB_DM
USB signal DM
24 ONOFF
ON/OFF，All-purpose hardware switch
25 VCC
IO power pin
26 BAT
Battery Voltage input
27 GND Ground
28 AGND Ground of Analog
29 AVCC
Power supply of Analog
30 INPUT1R INPUT1R