Data Sheet

304
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
19.8.1.6 Debug Control
Name: DBGCTRL
Offset: 0x0D
Reset: 0x00
Property: Write-Protected
z Bits 7:1 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z Bit 0 – DBGRUN: Debug Run
This bit is not reset by a software reset.
This bit controls the functionality when the CPU is halted by an external debugger.
0: The DMAC is halted when the CPU is halted by an external debugger.
1: The DMAC continues normal operation when the CPU is halted by an external debugger.
Bit 76543210
DBGRUN
AccessRRRRRRRR/W
Reset00000000