3.2 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 3-1. Connecting to aWire using the Mini-squid Cable
JTAGICE3 pins Target pins Mini-squid pin aWire pinout
Pin 1 (TCK)1
Pin 2 (GND)GND26
Pin 3 (TDO)DATA31
Pin 4 (VTG)VTG42
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