Connecting to an aWire Target

The aWire interface requires only one data line in addition to VCC and GND. The 10-pin mini-squid cable should be used to connect between the Atmel JTAGICE3 target connector and the target board. Three connections are required, as described in the table below.

Table 1. Connecting to aWire using the Mini-squid Cable
JTAGICE3 pins Target pins Mini-squid pin aWire pinout
Pin 1 (TCK)   1  
Pin 2 (GND) GND 2 6
Pin 3 (TDO) DATA 3 1
Pin 4 (VTG) VTG 4 2
Pin 5 (TMS)   5  
Pin 6 (nSRST)   6  
Pin 7 (Not connected)   7  
Pin 8 (nTRST)   8  
Pin 9 (TDI)   9  
Pin 10 (GND)   0