Datasheet

318
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
z Bits 15:9 – 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 8 – SWEVT: Software Event
This bit is used to insert a software event on the channel selected by the CHANNEL.CHANNEL bit group.
This bit must be written together with CHANNEL.CHANNELusing a 16-bit write.
Writing a zero to this bit has no effect.
Writing a one to this bit will trigger a software event for the corresponding channel.
This bit will always return zero when read.
z Bits 7:0 – CHANNEL: Channel Selection
These bits are used to select the channel to be set up or read from.
0x2F TC6 MC0 Match/Capture 0
0x30 TC6 MC1 Match/Capture 1
0x31 TC7 OVF Overflow/Underflow
0x32 TC7 MC0 Match/Capture 0
0x33 TC7 MC1 Match/Capture 1
0x34 ADC RESRDY Result Ready
0x35 ADC WINMON Window Monitor
0x36 AC COMP0 Comparator 0
0x37 AC COMP1 Comparator 1
0x38 AC WIN Window 0
0x39 DAC EMPTY Data Buffer Empty
0x3A PTC EOC End of Conversion
0x3B PTC WCOMP Window Comparator
0x3C-0xFF Reserved
Table 22-3. Event Generator Selection (Continued)
Value Event Generator Description