32.8.12 Length
Name: | LENGTH |
Offset: | 0x22 |
Reset: | 0x00 |
Property: | PAC Write-Protection, Write-Synchronized |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
LENEN[1:0] | |||||||||
Access | R/W | R/W | |||||||
Reset | 0 | 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 |
Bits 9:8 – LENEN[1:0] Data Length Enable
In 32-bit Extension mode, this bit field configures the length counter either for transmit or receive transactions.
Value | Description |
---|---|
0x0 | Length counter disabled |
0x1 | Length counter enabled for transmit |
0x2 | Length counter enabled for receive |
0x3 | Reserved |
Bits 7:0 – LEN[7:0] Data Length
In 32-bit Extension mode, this bit field configures the data length, after which, the flags INTFLAG.RXC or INTFLAG.DRE are raised.
Value | Description |
---|---|
0x00 | Reserved if LENEN = 0x1 or LENEN = 0x2 |
0x01-0xFF | Data Length |