34.8.6.9 Length

Table 34-56. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: LENGTH
Offset: 0x22
Reset: 0x0000
Property: 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.