User's Manual

No Designation I/O Description
1 ANT Antenna connector 50Ω
2 GND Supply Ground
3 VCC Supply Supply voltage
4 UTXD Output UART module TX
5 URXD Input UART module RX, uses internal pull-up.
6 /RTS Output UART Flow Control. Module busy = HIGH.
7 RESERVED I/O
Reserved for future use. Uses an internal pull-up.
Do not connect.
8 RESERVED I/O
Reserved for future use. Uses an internal pull-
down. Do not connect.
9 RESERVED I/O
Reserved for future use. Uses an internal pull-
down. Do not connect.
10 RESERVED I/O
Reserved for future use. Uses an internal pull-
down. Do not connect.
11 RESERVED I/O
Reserved for future use. Uses an internal pull-
down. Do not connect.
12 BOOT Input
Apply LOW during and shortly after reset to start
the application firmware.
Apply HIGH during and shortly after reset to enable
the UART bootloader.
Themisto-I reference manual version 1.0 © August 2019
www.we-online.com/wireless-connectivity 14