ATSAML21E18B MTB registers

The 25 registers of MTB (Cortex-M0+ Micro-Trace Buffer), from 0x41006000, with their reset value and every field. The ATSAML21E18B has 1205 registers in 40 peripherals, one page each.

MTB Cortex-M0+ Micro-Trace Buffer

POSITIONMTB Position

Address
0x41006000
Reset
0x00000000
Access
read/write
Size
32-bit
2 fields
FieldBitsWhat it does
WRAP2Pointer Value Wraps
POINTER31:3Trace Packet Location Pointer

MASTERMTB Master

Address
0x41006004
Reset
0x00000000
Access
read/write
Size
32-bit
7 fields
FieldBitsWhat it does
HALTREQ9Halt Request
RAMPRIV8SRAM Privilege
SFRWPRIV7Special Function Register Write Privilege
TSTOPEN6Trace Stop Input Enable
TSTARTEN5Trace Start Input Enable
MASK4:0Maximum Value of the Trace Buffer in SRAM
EN31Main Trace Enable

FLOWMTB Flow

Address
0x41006008
Reset
0x00000000
Access
read/write
Size
32-bit
3 fields
FieldBitsWhat it does
AUTOHALT1Auto Halt Request
AUTOSTOP0Auto Stop Tracing
WATERMARK31:3Watermark value

BASEMTB Base

Address
0x4100600C
Reset
0x00000000
Access
read only
Size
32-bit

ITCTRLMTB Integration Mode Control

Address
0x41006F00
Reset
0x00000000
Access
read/write
Size
32-bit

CLAIMSETMTB Claim Set

Address
0x41006FA0
Reset
0x00000000
Access
read/write
Size
32-bit

CLAIMCLRMTB Claim Clear

Address
0x41006FA4
Reset
0x00000000
Access
read/write
Size
32-bit

LOCKACCESSMTB Lock Access

Address
0x41006FB0
Reset
0x00000000
Access
read/write
Size
32-bit

LOCKSTATUSMTB Lock Status

Address
0x41006FB4
Reset
0x00000000
Access
read only
Size
32-bit

AUTHSTATUSMTB Authentication Status

Address
0x41006FB8
Reset
0x00000000
Access
read only
Size
32-bit

DEVARCHMTB Device Architecture

Address
0x41006FBC
Reset
0x00000000
Access
read only
Size
32-bit

DEVIDMTB Device Configuration

Address
0x41006FC8
Reset
0x00000000
Access
read only
Size
32-bit

DEVTYPEMTB Device Type

Address
0x41006FCC
Reset
0x00000000
Access
read only
Size
32-bit

PID4Peripheral Identification 4

Address
0x41006FD0
Reset
0x00000000
Access
read only
Size
32-bit

PID5Peripheral Identification 5

Address
0x41006FD4
Reset
0x00000000
Access
read only
Size
32-bit

PID6Peripheral Identification 6

Address
0x41006FD8
Reset
0x00000000
Access
read only
Size
32-bit

PID7Peripheral Identification 7

Address
0x41006FDC
Reset
0x00000000
Access
read only
Size
32-bit

PID0Peripheral Identification 0

Address
0x41006FE0
Reset
0x00000000
Access
read only
Size
32-bit

PID1Peripheral Identification 1

Address
0x41006FE4
Reset
0x00000000
Access
read only
Size
32-bit

PID2Peripheral Identification 2

Address
0x41006FE8
Reset
0x00000000
Access
read only
Size
32-bit

PID3Peripheral Identification 3

Address
0x41006FEC
Reset
0x00000000
Access
read only
Size
32-bit

CID0Component Identification 0

Address
0x41006FF0
Reset
0x00000000
Access
read only
Size
32-bit

CID1Component Identification 1

Address
0x41006FF4
Reset
0x00000000
Access
read only
Size
32-bit

CID2Component Identification 2

Address
0x41006FF8
Reset
0x00000000
Access
read only
Size
32-bit

CID3Component Identification 3

Address
0x41006FFC
Reset
0x00000000
Access
read only
Size
32-bit