21.5.2 Control B
Name: | CTRLB |
Offset: | 0x01 |
Reset: | 0x00 |
Property: | - |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
ASYNC | CCMPINIT | CCMPEN | CNTMODE[2:0] | ||||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
Reset | 0 | 0 | 0 | 0 | 0 | 0 |
Bit 6 – ASYNC Asynchronous Enable
Writing this bit to '1' will allow asynchronous updates of the TCB output signal in single shot mode
Value | Description |
---|---|
0 | The output will go HIGH when the counter actually starts |
1 | The output will go HIGH when an Event arrives |
Bit 5 – CCMPINIT Compare/Capture Pin Initial Value
This bit is used to set the initial output value of the pin when a pin output is used.
Value | Description |
---|---|
0 | Initial pin state is LOW |
1 | Initial pin state is HIGH |
Bit 4 – CCMPEN Compare/Capture Output Enable
Value | Description |
---|---|
0 | Compare/Capture Output is zero |
1 | Compare/Capture Output has a valid value |
Bits 2:0 – CNTMODE[2:0] Timer Mode
Writing these bits selects the timer mode.
Value | Description |
---|---|
0x0 | Periodic interrupt mode |
0x1 | Timeout check mode |
0x2 | Input capture on event mode |
0x3 | Input capture frequency measurement mode |
0x4 | Input capture pulse width measurement mode |
0x5 | Input capture frequency and pulse width measurement mode |
0x6 | Single shot mode |
0x7 | 8-bit PWM mode |