ATSAML22J16A DSU registers The 27 registers of DSU (Device Service Unit), from 0x41002000, with their reset value and every field. The ATSAML22J16A has 1065 registers in 38 peripherals, one page each.
DSU Device Service Unit CTRLControl
Address 0x41002000
Reset 0x00
Access write only 7 SMSA 6 ARR 5 – 4 CE 3 MBIST 2 CRC 1 – 0 SWRST 6 fields
Field Bits What it does SMSA 7 Start Memory Stream Access ARR 6 Auxiliary Row Read CE 4 Chip-Erase MBIST 3 Memory built-in self-test CRC 2 32-bit Cyclic Redundancy Code SWRST 0 Software Reset
STATUSAStatus A
Address 0x41002001
Reset 0x00
Access read/write 7 – 6 – 5 – 4 PERR 3 FAIL 2 BERR 1 CRSTEXT 0 DONE 5 fields
Field Bits What it does PERR 4 Protection Error FAIL 3 Failure BERR 2 Bus Error CRSTEXT 1 CPU Reset Phase Extension DONE 0 Done
STATUSBStatus B
Address 0x41002002
Reset 0x00
Access read only 7 – 6 – 5 – 4 HPE 3 DCCD1 2 DCCD0 1 DBGPRES 0 PROT 5 fields
Field Bits What it does HPE 4 Hot-Plugging Enable DCCD1 3 Debug Communication Channel 1 Dirty DCCD0 2 Debug Communication Channel 0 Dirty DBGPRES 1 Debugger Present PROT 0 Protected
ADDRAddress
Address 0x41002004
Reset 0x00000000
Access read/write
Size 32-bit 2 fields
Field Bits What it does AMOD 1:0 Access Mode ADDR 31:2 Address
LENGTHLength
Address 0x41002008
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does LENGTH 31:2 Length
DATAData
Address 0x4100200C
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does DATA 31:0 Data
DCC0Debug Communication Channel n
Address 0x41002010
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does DATA 31:0 Data
DCC1Debug Communication Channel n
Address 0x41002014
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does DATA 31:0 Data
DIDDevice Identification
Address 0x41002018
Reset 0x10820107
Access read only
Size 32-bit 6 fields
Field Bits What it does FAMILY 27:23 Family0 General purpose microcontroller1 PicoPower SERIES 21:16 Series0 Cortex-M0+ processor, basic feature set1 Cortex-M0+ processor, USB DIE 15:12 Die Number REVISION 11:8 Revision Number DEVSEL 7:0 Device Select PROCESSOR 31:28 Processor0 Cortex-M01 Cortex-M0+2 Cortex-M33 Cortex-M4
DCFG0Device Configuration
Address 0x410020F0
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does DCFG 31:0 Device Configuration
DCFG1Device Configuration
Address 0x410020F4
Reset 0x00000000
Access read/write
Size 32-bit 1 field
Field Bits What it does DCFG 31:0 Device Configuration
ENTRY0CoreSight ROM Table Entry 0
Address 0x41003000
Reset 0x9F0FC002
Access read only
Size 32-bit 3 fields
Field Bits What it does FMT 1 Format EPRES 0 Entry Present ADDOFF 31:12 Address Offset
ENTRY1CoreSight ROM Table Entry 1
Address 0x41003004
Reset 0x00007002
Access read only
Size 32-bit ENDCoreSight ROM Table End
Address 0x41003008
Reset 0x00000000
Access read only
Size 32-bit 1 field
Field Bits What it does END 31:0 End Marker
MEMTYPECoreSight ROM Table Memory Type
Address 0x41003FCC
Reset 0x00000000
Access read only
Size 32-bit 1 field
Field Bits What it does SMEMP 0 System Memory Present
PID4Peripheral Identification 4
Address 0x41003FD0
Reset 0x00000000
Access read only
Size 32-bit 2 fields
Field Bits What it does FKBC 7:4 4KB count JEPCC 3:0 JEP-106 Continuation Code
PID5Peripheral Identification 5
Address 0x41003FD4
Reset 0x00000000
Access read only
Size 32-bit PID6Peripheral Identification 6
Address 0x41003FD8
Reset 0x00000000
Access read only
Size 32-bit PID7Peripheral Identification 7
Address 0x41003FDC
Reset 0x00000000
Access read only
Size 32-bit PID0Peripheral Identification 0
Address 0x41003FE0
Reset 0x000000D0
Access read only
Size 32-bit 1 field
Field Bits What it does PARTNBL 7:0 Part Number Low
PID1Peripheral Identification 1
Address 0x41003FE4
Reset 0x000000FC
Access read only
Size 32-bit 2 fields
Field Bits What it does JEPIDCL 7:4 Low part of the JEP-106 Identity Code PARTNBH 3:0 Part Number High
PID2Peripheral Identification 2
Address 0x41003FE8
Reset 0x00000009
Access read only
Size 32-bit 3 fields
Field Bits What it does REVISION 7:4 Revision Number JEPU 3 JEP-106 Identity Code is used JEPIDCH 2:0 JEP-106 Identity Code High
PID3Peripheral Identification 3
Address 0x41003FEC
Reset 0x00000000
Access read only
Size 32-bit 2 fields
Field Bits What it does REVAND 7:4 Revision Number CUSMOD 3:0 ARM CUSMOD
CID0Component Identification 0
Address 0x41003FF0
Reset 0x0000000D
Access read only
Size 32-bit 1 field
Field Bits What it does PREAMBLEB0 7:0 Preamble Byte 0
CID1Component Identification 1
Address 0x41003FF4
Reset 0x00000010
Access read only
Size 32-bit 2 fields
Field Bits What it does CCLASS 7:4 Component Class PREAMBLE 3:0 Preamble
CID2Component Identification 2
Address 0x41003FF8
Reset 0x00000005
Access read only
Size 32-bit 1 field
Field Bits What it does PREAMBLEB2 7:0 Preamble Byte 2
CID3Component Identification 3
Address 0x41003FFC
Reset 0x000000B1
Access read only
Size 32-bit 1 field
Field Bits What it does PREAMBLEB3 7:0 Preamble Byte 3
BETA