ATSAML22G18A MTB registers The 25 registers of MTB (Cortex-M0+ Micro-Trace Buffer), from 0x4100A000, with their reset value and every field. The ATSAML22G18A has 1065 registers in 38 peripherals, one page each.
MTB Cortex-M0+ Micro-Trace Buffer POSITIONMTB Position
Address 0x4100A000
Reset 0x00000000
Access read/write
Size 32-bit 2 fields
Field Bits What it does WRAP 2 Pointer Value Wraps POINTER 31:3 Trace Packet Location Pointer
MASTERMTB Master
Address 0x4100A004
Reset 0x00000000
Access read/write
Size 32-bit 7 fields
Field Bits What it does HALTREQ 9 Halt Request RAMPRIV 8 SRAM Privilege SFRWPRIV 7 Special Function Register Write Privilege TSTOPEN 6 Trace Stop Input Enable TSTARTEN 5 Trace Start Input Enable MASK 4:0 Maximum Value of the Trace Buffer in SRAM EN 31 Main Trace Enable
FLOWMTB Flow
Address 0x4100A008
Reset 0x00000000
Access read/write
Size 32-bit 3 fields
Field Bits What it does AUTOHALT 1 Auto Halt Request AUTOSTOP 0 Auto Stop Tracing WATERMARK 31:3 Watermark value
BASEMTB Base
Address 0x4100A00C
Reset 0x00000000
Access read only
Size 32-bit ITCTRLMTB Integration Mode Control
Address 0x4100AF00
Reset 0x00000000
Access read/write
Size 32-bit CLAIMSETMTB Claim Set
Address 0x4100AFA0
Reset 0x00000000
Access read/write
Size 32-bit CLAIMCLRMTB Claim Clear
Address 0x4100AFA4
Reset 0x00000000
Access read/write
Size 32-bit LOCKACCESSMTB Lock Access
Address 0x4100AFB0
Reset 0x00000000
Access read/write
Size 32-bit LOCKSTATUSMTB Lock Status
Address 0x4100AFB4
Reset 0x00000000
Access read only
Size 32-bit AUTHSTATUSMTB Authentication Status
Address 0x4100AFB8
Reset 0x00000000
Access read only
Size 32-bit DEVARCHMTB Device Architecture
Address 0x4100AFBC
Reset 0x00000000
Access read only
Size 32-bit DEVIDMTB Device Configuration
Address 0x4100AFC8
Reset 0x00000000
Access read only
Size 32-bit DEVTYPEMTB Device Type
Address 0x4100AFCC
Reset 0x00000000
Access read only
Size 32-bit PID4Peripheral Identification 4
Address 0x4100AFD0
Reset 0x00000000
Access read only
Size 32-bit PID5Peripheral Identification 5
Address 0x4100AFD4
Reset 0x00000000
Access read only
Size 32-bit PID6Peripheral Identification 6
Address 0x4100AFD8
Reset 0x00000000
Access read only
Size 32-bit PID7Peripheral Identification 7
Address 0x4100AFDC
Reset 0x00000000
Access read only
Size 32-bit PID0Peripheral Identification 0
Address 0x4100AFE0
Reset 0x00000000
Access read only
Size 32-bit PID1Peripheral Identification 1
Address 0x4100AFE4
Reset 0x00000000
Access read only
Size 32-bit PID2Peripheral Identification 2
Address 0x4100AFE8
Reset 0x00000000
Access read only
Size 32-bit PID3Peripheral Identification 3
Address 0x4100AFEC
Reset 0x00000000
Access read only
Size 32-bit CID0Component Identification 0
Address 0x4100AFF0
Reset 0x00000000
Access read only
Size 32-bit CID1Component Identification 1
Address 0x4100AFF4
Reset 0x00000000
Access read only
Size 32-bit CID2Component Identification 2
Address 0x4100AFF8
Reset 0x00000000
Access read only
Size 32-bit CID3Component Identification 3
Address 0x4100AFFC
Reset 0x00000000
Access read only
Size 32-bit 
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