Info:
The SPI interface is often referred to as "ISP", since it was the first In System Programming
interface on Atmel AVR products. Other interfaces are now available for In System
Programming.
Table 3-6. Atmel-ICE SPI Pin Mapping
Atmel-ICE AVR port pins Target pins Mini-squid pin SPI pinout
Pin 1 (TCK) SCK 1 3
Pin 2 (GND) GND 2 6
Pin 3 (TDO) MISO 3 1
Pin 4 (VTG) VTG 4 2
Pin 5 (TMS) 5
Pin 6 (nSRST) /RESET 6 5
Pin 7 (not connected) 7
Pin 8 (nTRST) 8
Pin 9 (TDI) MOSI 9 4
Pin 10 (GND) 0
3.8. Connecting to a TPI Target
The recommended pinout for the 6-pin TPI connector is shown in Figure 4-13.
Connection to a 6-pin 100-mil TPI header
Use the 6-pin 100-mil tap on the flat cable (included in some kits) to connect to a standard 100-mil TPI
header.
Connection to a 6-pin 50-mil TPI header
Use the adapter board (included in some kits) to connect to a standard 50-mil TPI header.
Connection to a custom 100-mil header
The 10-pin mini-squid cable should be used to connect between the Atmel-ICE AVR connector port and
the target board. Six connections are required, as described in the table below.
Table 3-7. Atmel-ICE TPI Pin Mapping
Atmel-ICE AVR port pins Target pins Mini-squid pin TPI pinout
Pin 1 (TCK) CLOCK 1 3
Pin 2 (GND) GND 2 6
Pin 3 (TDO) DATA 3 1
Pin 4 (VTG) VTG 4 2
Pin 5 (TMS) 5
Atmel Atmel-ICE [USER GUIDE]
Atmel-42330C-Atmel-ICE_User Guide-10/2016
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