34.7.9 Length
Note: This register is write-synchronized: SYNCBUSY.LENGTH must be checked to ensure the
LENGTH register synchronization is complete.
| Name: | LENGTH |
| Offset: | 0x22 |
| Reset: | 0x0000 |
| Property: | PAC Write-Protection, Write-Synchronized |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| LENEN | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| LEN[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 8 – LENEN Data Length Enable
In 32-bit Extension mode (CTRLC.DATA32B=1), this bit field enables the length counter.
| Value | Description |
|---|---|
| 0 | Length counter is disabled. |
| 1 | Length counter is enabled. |
Bits 7:0 – LEN[7:0] Data Length
In 32-bit Extension mode (CTRLC.DATA32B=1) with Data Length counting enabled (LENGTH.LENEN), this bit field configures the data length from 0 to 255 Bytes after which the flag INTFLAG.DRDY is raised.