28.5.3 LUT n Control A
| Name: | LUTCTRLA |
| Offset: | 0x05 + n*0x04 [n=0..1] |
| Reset: | 0x00 |
| Property: | Enable-Protected |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| EDGEDET | CLKSRC | FILTSEL[1:0] | OUTEN | ENABLE | |||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | |||
Bit 7 – EDGEDET Edge Detection
| Value | Description |
|---|---|
| 0 | Edge detector is disabled |
| 1 | Edge detector is enabled |
Bit 6 – CLKSRC Clock Source Selection
This bit selects whether the peripheral clock (CLK_PER) or any input present on input line 2 (IN[2]) is used as clock (CLK_MUX_OUT) for an LUT.
The CLK_MUX_OUT of the even LUT is used for clocking the Sequential block of an LUT pair.
| Value | Description |
|---|---|
| 0 | CLK_PER is clocking the LUT |
| 1 | IN[2] is clocking the LUT |
Bits 5:4 – FILTSEL[1:0] Filter Selection
This bit field selects the LUT output filter options:
| Value | Name | Description |
|---|---|---|
| 0x0 | DISABLE | Filter disabled |
| 0x1 | SYNCH | Synchronizer enabled |
| 0x2 | FILTER | Filter enabled |
| 0x3 | - | Reserved |
Bit 3 – OUTEN Output Enable
1’, the pin
configuration of the PORT I/O Controller is overridden.| Value | Description |
|---|---|
| 0 | Output to pin disabled |
| 1 | Output to pin enabled |
Bit 0 – ENABLE LUT Enable
| Value | Description |
|---|---|
| 0 | The LUT is disabled |
| 1 | The LUT is enabled |