BTnode usbprog rev2 Hardware Reference
The usbprog board offers a breakout section for all pins of the extension connector J1, a UART-USB conversion using a Silabs CP2101, an ISP header for Atmel compatible pinouts and a generic sensor and power interface. It is the basic IO extension for the BTnode rev3.
Debugging with a USB connection only using the application serial port
PE1, or a simultaneous USB connection and ISP programming:
BTnode usbprog rev2 Design Data
Assembly Top View