ATSAMHA0G16AB EVSYS registers The 7 registers of EVSYS (Event System Interface), from 0x42000400, with their reset value and every field. The ATSAMHA0G16AB has 990 registers in 36 peripherals, one page each.
EVSYS Event System Interface CTRLControl
Address 0x42000400
Reset 0x00
Access write only 7 – 6 – 5 – 4 GCLKREQ 3 – 2 – 1 – 0 SWRST 2 fields
Field Bits What it does GCLKREQ 4 Generic Clock Requests SWRST 0 Software Reset
CHANNELChannel
Address 0x42000404
Reset 0x00000000
Access read/write
Size 32-bit 5 fields
Field Bits What it does EDGSEL 27:26 Edge Detection Selection0 No event output when using the resynchronized or synchronous path1 Event detection only on the rising edge of the signal from the event generator when using the resynchronized or synchronous path2 Event detection only on the falling edge of the signal from the event generator when using the resynchronized or synchronous path3 Event detection on rising and falling edges of the signal from the event generator when using the resynchronized or synchronous path PATH 25:24 Path Selection0 Synchronous path1 Resynchronized path2 Asynchronous path EVGEN 22:16 Event Generator Selection SWEVT 8 Software Event CHANNEL 3:0 Channel Selection
USERUser Multiplexer
Address 0x42000408
Reset 0x0000
Access read/write
Size 16-bit 2 fields
Field Bits What it does CHANNEL 12:8 Channel Event Selection0 No Channel Output Selected USER 4:0 User Multiplexer Selection
CHSTATUSChannel Status
Address 0x4200040C
Reset 0x000F00FF
Access read only
Size 32-bit 24 fields
Field Bits What it does CHBUSY11 27 Channel 11 Busy CHBUSY10 26 Channel 10 Busy CHBUSY9 25 Channel 9 Busy CHBUSY8 24 Channel 8 Busy USRRDY11 19 Channel 11 User Ready USRRDY10 18 Channel 10 User Ready USRRDY9 17 Channel 9 User Ready USRRDY8 16 Channel 8 User Ready CHBUSY7 15 Channel 7 Busy CHBUSY6 14 Channel 6 Busy CHBUSY5 13 Channel 5 Busy CHBUSY4 12 Channel 4 Busy CHBUSY3 11 Channel 3 Busy CHBUSY2 10 Channel 2 Busy CHBUSY1 9 Channel 1 Busy CHBUSY0 8 Channel 0 Busy USRRDY7 7 Channel 7 User Ready USRRDY6 6 Channel 6 User Ready USRRDY5 5 Channel 5 User Ready USRRDY4 4 Channel 4 User Ready USRRDY3 3 Channel 3 User Ready USRRDY2 2 Channel 2 User Ready USRRDY1 1 Channel 1 User Ready USRRDY0 0 Channel 0 User Ready
INTENCLRInterrupt Enable Clear
Address 0x42000410
Reset 0x00000000
Access read/write
Size 32-bit 24 fields
Field Bits What it does EVD11 27 Channel 11 Event Detection Interrupt Enable EVD10 26 Channel 10 Event Detection Interrupt Enable EVD9 25 Channel 9 Event Detection Interrupt Enable EVD8 24 Channel 8 Event Detection Interrupt Enable OVR11 19 Channel 11 Overrun Interrupt Enable OVR10 18 Channel 10 Overrun Interrupt Enable OVR9 17 Channel 9 Overrun Interrupt Enable OVR8 16 Channel 8 Overrun Interrupt Enable EVD7 15 Channel 7 Event Detection Interrupt Enable EVD6 14 Channel 6 Event Detection Interrupt Enable EVD5 13 Channel 5 Event Detection Interrupt Enable EVD4 12 Channel 4 Event Detection Interrupt Enable EVD3 11 Channel 3 Event Detection Interrupt Enable EVD2 10 Channel 2 Event Detection Interrupt Enable EVD1 9 Channel 1 Event Detection Interrupt Enable EVD0 8 Channel 0 Event Detection Interrupt Enable OVR7 7 Channel 7 Overrun Interrupt Enable OVR6 6 Channel 6 Overrun Interrupt Enable OVR5 5 Channel 5 Overrun Interrupt Enable OVR4 4 Channel 4 Overrun Interrupt Enable OVR3 3 Channel 3 Overrun Interrupt Enable OVR2 2 Channel 2 Overrun Interrupt Enable OVR1 1 Channel 1 Overrun Interrupt Enable OVR0 0 Channel 0 Overrun Interrupt Enable
INTENSETInterrupt Enable Set
Address 0x42000414
Reset 0x00000000
Access read/write
Size 32-bit 24 fields
Field Bits What it does EVD11 27 Channel 11 Event Detection Interrupt Enable EVD10 26 Channel 10 Event Detection Interrupt Enable EVD9 25 Channel 9 Event Detection Interrupt Enable EVD8 24 Channel 8 Event Detection Interrupt Enable OVR11 19 Channel 11 Overrun Interrupt Enable OVR10 18 Channel 10 Overrun Interrupt Enable OVR9 17 Channel 9 Overrun Interrupt Enable OVR8 16 Channel 8 Overrun Interrupt Enable EVD7 15 Channel 7 Event Detection Interrupt Enable EVD6 14 Channel 6 Event Detection Interrupt Enable EVD5 13 Channel 5 Event Detection Interrupt Enable EVD4 12 Channel 4 Event Detection Interrupt Enable EVD3 11 Channel 3 Event Detection Interrupt Enable EVD2 10 Channel 2 Event Detection Interrupt Enable EVD1 9 Channel 1 Event Detection Interrupt Enable EVD0 8 Channel 0 Event Detection Interrupt Enable OVR7 7 Channel 7 Overrun Interrupt Enable OVR6 6 Channel 6 Overrun Interrupt Enable OVR5 5 Channel 5 Overrun Interrupt Enable OVR4 4 Channel 4 Overrun Interrupt Enable OVR3 3 Channel 3 Overrun Interrupt Enable OVR2 2 Channel 2 Overrun Interrupt Enable OVR1 1 Channel 1 Overrun Interrupt Enable OVR0 0 Channel 0 Overrun Interrupt Enable
INTFLAGInterrupt Flag Status and Clear
Address 0x42000418
Reset 0x00000000
Access read/write
Size 32-bit 24 fields
Field Bits What it does EVD11 27 Channel 11 Event Detection EVD10 26 Channel 10 Event Detection EVD9 25 Channel 9 Event Detection EVD8 24 Channel 8 Event Detection OVR11 19 Channel 11 Overrun OVR10 18 Channel 10 Overrun OVR9 17 Channel 9 Overrun OVR8 16 Channel 8 Overrun EVD7 15 Channel 7 Event Detection EVD6 14 Channel 6 Event Detection EVD5 13 Channel 5 Event Detection EVD4 12 Channel 4 Event Detection EVD3 11 Channel 3 Event Detection EVD2 10 Channel 2 Event Detection EVD1 9 Channel 1 Event Detection EVD0 8 Channel 0 Event Detection OVR7 7 Channel 7 Overrun OVR6 6 Channel 6 Overrun OVR5 5 Channel 5 Overrun OVR4 4 Channel 4 Overrun OVR3 3 Channel 3 Overrun OVR2 2 Channel 2 Overrun OVR1 1 Channel 1 Overrun OVR0 0 Channel 0 Overrun