LPWA Module Series
BC66-TE-B User Guide
BC66-TE-B_User_Guide 12 / 27
Table 2: Interfaces of BC66-TE-B
2.4. Arduino Interface Definition
The following figure shows the Arduino interface definition of BC66-TE-B.
Interface
Designator
Description
Power Supply Interfaces
J301
USB power supply interface
J202
External power supply interface
J306
Arduino power supply interface
USB-UART Interface
J301
Support 3 UART ports: Interface 0/1/2
USIM Interface
J303
Micro-SIM card connector
USB Interface
J104
Get BC66 USB log
Arduino Interfaces
J305, J306,
J307, J308
Standard Arduino interfaces
RF Antenna Interface
J304
RF SMA connector
UART Switch
J302
Used to select the communication object of BC66
’s main
UART
: “MAIN UART TO USB” or “MAIN UART TO MCU”
PWRKEY Button
S101
Used to turn on BC66 module
RESET Button
S102
Used to reset BC66 module
PSM Wakeup Button
S103
Used to wake up BC66 from PSM mode
Power Indicator
D203
Used to indicate the power on/off status
JTAG Interface
J309
Used to debug firmware
