SAM7S256_14 Datasheet, PDF (50/775 Pages) ATMEL Corporation – ARM-based Flash MCU

12.4 Debug and Test Pin Description
Table 12-1.
Pin Name
NRST
TST
TCK
TDI
TDO
TMS
JTAGSEL
DRXD
DTXD
Debug and Test Pin List
Function
Reset/Test
Microcontroller Reset
Test Mode Select
ICE and JTAG
Test Clock
Test Data In
Test Data Out
Test Mode Select
JTAG Selection
Debug Unit
Debug Receive Data
Debug Transmit Data
Type
Active Level
Input/Output
Input
Low
High
Input
Input
Output
Input
Input
Input
Output
SAM7S Series [DATASHEET] 50
6175M–ATARM–26-Oct-12