Atmel STK521 User Manual page 10

Figure 2-5.
PIN1
The ISP connector is used for the Atmel AT90PWM81 built-in debugWire interface. The pin out of the
connector is shown in
Connecting a JTAGICE mkII to this connector allows on-chip debugging of the AT90PWM81.
More information about the JTAGICE mkII and on-chip debugging can be found in the Atmel AVR
JTAGICE mkII User Guide, which is available at the Atmel web site, www.atmel.com.
Note:
Table 2-4. STK521 ISP/DW connector pinout.
Squid cable
colors
green
Note:
STK521 User Guide
Connecting the Atmel AVR JTAGICE mkII to the Atmel STK521.
Table 2-4
Remove the RESET jumper on the Atmel STK500 to work run properly JTAGICE mkII.
Target pins
grey MISO
black SCK
RESET
MISO, MOSI, and SCK lines can be disconnected when the product is in debugging mode. They
can then be used for application purpose.
and is compliant with the pin out of the JTAG ICE available from Atmel.
STK521 ISP pinout
1
3
5
Target pins
2 VTG
4 MOSI
6 GND
Squid cable
colors
purple
red
brown
2-8
8194B–AVR–01/12