ATSAMG54N19 RSTC registers

The 3 registers of RSTC (Reset Controller), from 0x400E1400, with their reset value and every field. The ATSAMG54N19 has 713 registers in 31 peripherals, one page each.

RSTC Reset Controller

RSTC_CRControl Register

Address
0x400E1400
Reset
0x00000000
Access
write only
Size
32-bit
4 fields
FieldBitsWhat it does
EXTRST3External Reset
PERRST2Peripheral Reset
PROCRST0Processor Reset
KEY31:24System Reset Key
  • 165 Writing any other value in this field aborts the write operation.

RSTC_SRStatus Register

Address
0x400E1404
Reset
0x00000000
Access
read only
Size
32-bit
4 fields
FieldBitsWhat it does
SRCMP17Software Reset Command in Progress
NRSTL16NRST Pin Level
RSTTYP10:8Reset Type
  • 0 First power-up reset
  • 2 Watchdog fault occurred
  • 3 Processor reset required by the software
  • 4 NRST pin detected low
URSTS0User Reset Status

RSTC_MRMode Register

Address
0x400E1408
Reset
0x00000000
Access
read/write
Size
32-bit
4 fields
FieldBitsWhat it does
ERSTL11:8External Reset Length
URSTIEN4User Reset Interrupt Enable
URSTEN0User Reset Enable
KEY31:24Write Access Password
  • 165 Writing any other value in this field aborts the write operation.Always reads as 0.