AVR32SD20 CRCSCAN registers

The 8 registers of CRCSCAN (CRCSCAN), from 0x130, with their reset value and every field. The AVR32SD20 has 580 registers in 51 peripherals, one page each.

CRCSCAN CRCSCAN

CTRLAControl A

Address
0x130
Reset
0x00
Access
read/write
  1. 7RESET
  2. 6SRC1
  3. 5SRC0
  4. 4PEREN
  5. 3CRCSEL
  6. 2–
  7. 1NMIEN
  8. 0ENABLE
6 fields
FieldBitsWhat it does
RESET7Reset CRCSCAN
SRC6:5CRC Source
  • 0 The CRC is performed on the boot section of Flash
  • 1 The CRC is performed on the application code section of Flash
  • 2 The CRC is performed on the application data section of Flash
  • 3 Manual mode, CRC is performed on data written to DATA
PEREN4Enable Periodic Timer
  • 0 The periodic timer is disabled
  • 1 The periodic timer is enabled
CRCSEL3CRC Mode Select
  • 0 The CRC is performed using CRC16
  • 1 The CRC is performed using CRC32
NMIEN1Enable NMI Trigger
ENABLE0Enable CRCSCAN

CTRLBControl B

Address
0x131
Reset
0x00
Access
write only
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0EINJ
1 field
FieldBitsWhat it does
EINJ0Inject CRC error

INTCTRLInterrupt Control

Address
0x132
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1PERIOD
  8. 0DONE
2 fields
FieldBitsWhat it does
PERIOD1Scan Period Done Interrupt Enable
DONE0Scan Done Interrupt Enable

INTFLAGSInterrupt Flags

Address
0x133
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1PERIOD
  8. 0DONE
2 fields
FieldBitsWhat it does
PERIOD1Scan Period Done
DONE0Scan Done

STATUSAStatus A

Address
0x134
Reset
0x04
Access
read only
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2OK
  7. 1BUSY
  8. 0ERROR
3 fields
FieldBitsWhat it does
OK2CRC OK
BUSY1CRC BUSY
ERROR0Error Signal driving NMI

SCANADRScan Address

Address
0x135
Reset
0x00
Access
read only
  1. 7SCANADR7
  2. 6SCANADR6
  3. 5SCANADR5
  4. 4SCANADR4
  5. 3SCANADR3
  6. 2SCANADR2
  7. 1SCANADR1
  8. 0SCANADR0
1 field
FieldBitsWhat it does
SCANADR7:0Address Being Scanned

DATAInput Data

Address
0x136
Reset
0x00
Access
write only
  1. 7DATA7
  2. 6DATA6
  3. 5DATA5
  4. 4DATA4
  5. 3DATA3
  6. 2DATA2
  7. 1DATA1
  8. 0DATA0
1 field
FieldBitsWhat it does
DATA7:0Input Data

CRCCRC Result

Address
0x138
Reset
0xFFFFFFFF
Access
read only
Size
32-bit
1 field
FieldBitsWhat it does
CRC31:0CRC Result