Datasheet

28.10.5 Interrupt Enable Set
Name: INTENSET
Offset: 0x16
Reset: 0x00
Property: PAC Write-Protection
This register allows the user to enable an interrupt without doing a read-modify-write operation. Changes
in this register will also be reflected in the Interrupt Enable Clear register (INTENCLR).
Bit 7 6 5 4 3 2 1 0
ERROR RXFF TXFE SB MB
Access
R/W R/W R/W R/W R/W
Reset 0 0 0 0 0
Bit 7 – ERROR Error Interrupt Enable
Writing '0' to this bit has no effect.
Writing '1' to this bit will set the Error Interrupt Enable bit, which enables the Error interrupt.
Value Description
0
Error interrupt is disabled.
1
Error interrupt is enabled.
Bit 4 – RXFF RX FIFO Full Interrupt Enable
Writing '0' to this bit has no effect.
Writing '1' to this bit will set the RX FIFO Full bit, which enables the RX FIFO Full interrupt.
Value Description
0
The RX FIFO Full interrupt is disabled.
1
The RX FIFO Full interrupt is enabled.
Bit 3 – TXFE TX FIFO Empty Interrupt Enable
Writing '0' to this bit has no effect.
Writing '1' to this bit will set the TX FIFO Empty bit, which enables the TX FIFO Empty interrupt.
Value Description
0
The TX FIFO Empty interrupt is disabled.
1
The TX FIFO Empty interrupt is enabled.
Bit 1 – SB Slave on Bus Interrupt Enable
Writing '0' to this bit has no effect.
Writing '1' to this bit will set the Slave on Bus Interrupt Enable bit, which enables the Slave on Bus
interrupt.
Value Description
0
The Slave on Bus interrupt is disabled.
1
The Slave on Bus interrupt is enabled.
SAM D21 Family
SERCOM I2C – Inter-Integrated Circuit
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 610