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 15141312111098 
        LENEN 
Access R/W 
Reset 0 
Bit 76543210 
 LEN[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 8 – LENEN Data Length Enable

In 32-bit Extension mode (CTRLC.DATA32B=1), this bit field enables the length counter.

ValueDescription
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.