Data Sheet

923
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
34.8.3 Event Control
Name: EVCTRL
Offset: 0x2
Reset: 0x00
Property: Write-Protected
z Bits 7:2 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z Bit 1 – EMPTYEO: Data Buffer Empty Event Output
This bit indicates whether or not the Data Buffer Empty event is enabled and will be generated when the Data Buf-
fer register is empty.
0: Data Buffer Empty event is disabled and will not be generated.
1: Data Buffer Empty event is enabled and will be generated.
z Bit 0 – STARTEI: Start Conversion Event Input
This bit indicates whether or not the Start Conversion event is enabled and data are loaded from the Data Buffer
register to the Data register upon event reception.
0: A new conversion will not be triggered on an incoming event.
1: A new conversion will be triggered on an incoming event.
Bit 76543210
EMPTYEO STARTEI
AccessRRRRRRR/WR/W
Reset00000000