Channel n Generator Selection
Each channel can be connected to one event generator. Not all generators can be connected to all channels. Refer to the table below to see which generator sources can be routed onto each channel and the generator value to be written to EVSYS.CHANNELn to achieve this routing. Writing the value 0x00 to EVSYS.CHANNELn turns the channel off.
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
GENERATOR[7:0] | |||||||
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Channel Generator Selection
GENERATOR | INPUT | Async/Sync | CH0 | CH1 | CH2 | CH3 | CH4 | CH5 | CH6 | CH7 | |
---|---|---|---|---|---|---|---|---|---|---|---|
binary | hex | ||||||||||
0000_0001 | 0x01 | UPDI | Sync | UPDI | |||||||
0000_0110 | 0x06 | RTC_OVF | Async | OVF | |||||||
0000_0111 | 0x07 | RTC_CMP | Async | CMP | |||||||
0000_1000 | 0x08 | RTC_PIT0 | Async | DIV8192 | DIV512 | DIV8192 | DIV512 | DIV8192 | DIV512 | DIV8192 | DIV512 |
0000_1001 | 0x09 | RTC_PIT1 | Async | DIV4096 | DIV256 | DIV4096 | DIV256 | DIV4096 | DIV256 | DIV4096 | DIV256 |
0000_1010 | 0x0A | RTC_PIT2 | Async | DIV2048 | DIV128 | DIV2048 | DIV128 | DIV2048 | DIV128 | DIV2048 | DIV128 |
0000_1011 | 0x0B | RTC_PIT3 | Async | DIV1024 | DIV64 | DIV1024 | DIV64 | DIV1024 | DIV64 | DIV1024 | DIV64 |
0001_00nn | 0x10-0x13 | CCL_LUTn | Async | LUTn | |||||||
0010_0000 | 0x20 | AC0 | Async | OUT | |||||||
0010_0100 | 0x24 | ADC0 | Sync | RESRDY | |||||||
0100_0nnn | 0x40-0x47 | PORT0_PINn | Async | PORTA_PINn | PORTC_PINn | PORTE_PINn | |||||
0100_1nnn | 0x48-0x4F | PORT1_PINn | Async | PORTB_PINn | PORTD_PINn | PORTF_PINn | |||||
0110_0nnn | 0x60-0x67 | USARTn | Sync | XCK | |||||||
0110_1000 | 0x68 | SPI0 | Sync | SCK | |||||||
1000_0000 | 0x80 | TCA0_OVF_LUNF | Sync | OVF/LUNF | |||||||
1000_0001 | 0x81 | TCA0_HUNF | Sync | HUNF | |||||||
1000_0100 | 0x84 | TCA0_CMP0 | Sync | CMP0 | |||||||
1000_0101 | 0x85 | TCA0_CMP1 | Sync | CMP1 | |||||||
1000_0110 | 0x86 | TCA0_CMP2 | Sync | CMP2 | |||||||
1010_nnn0 | 0xA0-0xAE | TCBn | Sync | CAPT |