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ManualsBrandsMicrochip ManualsARM MicrocontrollersARM® Cortex® M0+ SAM Microcontroller 32bit 256KB TQFP
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21.7 Register Summary
Offset Name Bit Pos.
0x00 CTRL 7:0 ENABLE SWRST
0x01 STATUS 7:0 SYNCBUSY
0x02 NMICTRL 7:0 NMIFILTEN NMISENSE[2:0]
0x03 NMIFLAG 7:0 NMI
0x04 EVCTRL
7:0 EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx
15:8 EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx EXTINTEOx
23:16 EXTINTEOx EXTINTEOx
31:24
0x08 INTENCLR
7:0 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
15:8 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
23:16 EXTINTx EXTINTx
31:24
0x0C INTENSET
7:0 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
15:8 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
23:16 EXTINTx EXTINTx
31:24
0x10 INTFLAG
7:0 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
15:8 EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx EXTINTx
23:16 EXTINTx EXTINTx
31:24
0x14 WAKEUP
7:0 WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx
15:8 WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx WAKEUPENx
23:16 WAKEUPENx WAKEUPENx
31:24
0x18 CONFIG
7:0 FILTENx SENSEx[2:0] FILTENx SENSEx[2:0]
15:8 FILTENx SENSEx[2:0] FILTENx SENSEx[2:0]
23:16 FILTENx SENSEx[2:0] FILTENx SENSEx[2:0]
31:24 FILTENx SENSEx[2:0] FILTENx SENSEx[2:0]
21.8 Register Description
Registers can be 8, 16, or 32 bits wide. Atomic 8-, 16-, and 32-bit accesses are supported. In addition,
the 8-bit quarters and 16-bit halves of a 32-bit register, and the 8-bit halves of a 16-bit register can be
accessed directly.
Some registers require synchronization when read and/or written. Synchronization is denoted by the
"Read-Synchronized" and/or "Write-Synchronized" property in each individual register description.
Some registers are enable-protected, meaning they can only be written when the module is disabled.
Enable-protection is denoted by the "Enable-Protected" property in each individual register description.
SAM D21 Family
EIC – External Interrupt Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 372