Datasheet

Value Name Description
0x2
FALLING_EDGE Event detection only on the falling edge of the signal from the event
generator
0x3
BOTH_EDGES Event detection on rising and falling edges of the signal from the event
generator
Bits 9:8 – PATH[1:0] Path Selection
These bits are used to choose which path will be used by the selected channel.
Note: The path choice can be limited by the channel source, see the table in 31.7.13 USERm.
Important: Only EVSYS channel 0 to 11 can be configured as synchronous or resynchronized.
Value Name Description
0x0
SYNCHRONOUS Synchronous path
0x1
RESYNCHRONIZED Resynchronized path
0x2
ASYNCHRONOUS Asynchronous path
Other
- Reserved
Bits 7:0 – EVGEN[7:0] Event Generator Selection
These bits are used to choose the event generator to connect to the selected channel.
Value Name Description
0x00 NONE No event generator selected
0x01 - 0x02 OSCCTRL_XOSC_FAILx XOSC fail detection x=0..1
0x03 OSC32KCTRL_XOSC32K_FAIL XOSC32K fail detection
0x04 - 0x0B RTC_PERx RTC period x=0..7
0x0C - 0x0F RTC_CMP RTC comparison x=0..3
0x10 RTC_TAMPER RTC tamper detection
0x11 RTC_OVF RTC overflow
0x12 - 0x21 EIC_EXTINT EIC external interrupt x=0..15
0x22 - 0x25 DMAC_CH DMA channel x=0..3
0x26 PAC_ACCERR PAC Acc. error
0x27 Reserved -
0x28 Reserved -
0x29 TCC0_OVF TCC0 Overflow
0x2A TCC0_TRG TCC0 Trigger Event
0x2B TCC0_CNT TCC0 Counter
0x2C - 0x31 TCC0_MCx TCC0 Match/Compare x=0..5
0x32 TCC1_OVF TCC1 Overflow
SAM D5x/E5x Family Data Sheet
EVSYS – Event System
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 873