Datasheet

SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
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11.4 Debug and Test Pin Description
Table 11-1. Debug and Test Pin List
Pin Name Function Type Active Level
Reset/Test
NRST Microcontroller Reset Input/Output Low
TST Test Mode Select Input High
ICE and JTAG
TCK Test Clock Input
TDI Test Data In Input
TDO Test Data Out Output
TMS Test Mode Select Input
NTRST Test Reset Signal Input Low
RTCK Returned Test Clock Output
JTAGSEL JTAG Selection Input
ETM
TSYNC Trace Synchronization Signal Output
TCLK Trace Clock Output
TPS0–TPS2 Trace ARM Pipeline Status Output
TPK0–TPK15 Trace Packet Port Output
Debug Unit
DRXD Debug Receive Data Input
DTXD Debug Transmit Data Output