Minimal PCB for SAM4S2 with JTAG

Discussion around product based on ARM Cortex M4 core.
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Minimal PCB for SAM4S2 with JTAG

Thu Sep 07, 2017 4:21 pm


I want to integrate a SAM4S2, 48 PIN LQFP, in one off my boards. 3,3V to pins 7, 13 and 33, internal 8 to 18 and 48.
One 12MHz to 45 and 46.

JTAG, 20 pin header
1 and 2 to 3,3V
4..20 to GND
5 - TDI
7 - TMS
9 - TCK
13 - TDO

Pins JTAGSEL/38, TST/30 and NRST/29 left unconnected.

Would the CPU start and be debugable? With a SAM-ICE and the Atmel-Studio.

Many thanks for your help.

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