ATSAMR21G18A registers

The 1140 registers of the ATSAMR21G18A in its 35 peripherals, each on a page of its own with every register's address, reset value and fields. The search finds a register or bit in any of them.

PAC0

2 registers

Peripheral Access Controller

0x40000000 – 0x40000004

PM

14 registers

Power Manager

0x40000400 – 0x40000438

SYSCTRL

20 registers

System Control

0x40000800 – 0x40000850

GCLK

5 registers

Generic Clock Generator

0x40000C00 – 0x40000C08

WDT

8 registers

Watchdog Timer

0x40001000 – 0x40001008

RTC

28 registers

Real-Time Counter

0x40001400 – 0x4000141C

EIC

11 registers

External Interrupt Controller

0x40001800 – 0x4000181C

PAC1

2 registers

Peripheral Access Controller

0x41000000 – 0x41000004

DSU

22 registers

Device Service Unit

0x41002000 – 0x41003FFC

NVMCTRL

9 registers

Non-Volatile Memory Controller

0x41004000 – 0x41004020

PORT

177 registers

Port Module

0x41004400 – 0x4100455F

DMAC

23 registers

Direct Memory Access Controller

0x41004800 – 0x4100484F

USB

143 registers

Universal Serial Bus

0x41005000 – 0x410051E9

MTB

25 registers

Cortex-M0+ Micro-Trace Buffer

0x41006000 – 0x41006FFC

SBMATRIX

48 registers

HSB Matrix

0x41007080 – 0x4100714C

PAC2

2 registers

Peripheral Access Controller

0x42000000 – 0x42000004

EVSYS

7 registers

Event System Interface

0x42000400 – 0x42000418