Datasheet

34.8.12 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
0x01-0x
FF
Data Length
SAM D5x/E5x Family Data Sheet
SERCOM USART - SERCOM Synchronous and Asyn...
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 966