Debug I2C and UART

Debug I2C and UART are used for debugging the BLE stack in the SAM B11 boards. Both these headers are not mounted on the production variant.

Pinout for the Debug I2C:

Table 1. Debug I2C Pinout Specification
SAM B11 pin Function Shared functionality
I2C SCL Clock line for I2C EXT3
GND Ground  
I2C SDA Data line for I2C EXT3
NC    

Pinout for Debug UART:

Table 2. Debug UART Pinout Specification
SAM B11 pin Function Shared functionality
UART TXD UART TX pin EXT3
UART RXD UART RX pin EXT3
GND