Datasheet

If the Checksum is sent (CHKDIS = 0):
t
Header_Nominal
= 34 × t
bit
t
Response_Nominal
= 10 × (NData + 1) × t
bit
t
Frame_Maximum
= 1.4 × (t
Header_Nominal
+ t
Response_Nominal
+ 1)
(1)
t
Frame_Maximum
= 1.4 × (34 + 10 × (DLC + 1 + 1) + 1) × t
bit
t
Frame_Maximum
= (77 + 14 × DLC) × t
bit
If the Checksum is not sent (CHKDIS = 1):
t
Header_Nominal
= 34 × t
bit
t
Response_Nominal
= 10 × NData × t
bit
t
Frame_Maximum
= 1.4 × (t
Header_Nominal
+ t
Response_Nominal
+ 1)
(1)
t
Frame_Maximum
= 1.4 × (34 + 10 × (DLC + 1) + 1) × t
bit
t
Frame_Maximum
= (63 + 14 × DLC) × t
bit
Note: 1. The term “+1” leads to an integer result for t
Frame_Maximum
(LIN Specification 1.3).
Figure 46-44. Frame Slot Mode
Break
Synch
Protected
Identifier
Data N
Checksum
Header
Inter-
frame
space
Response
space
Frame
Frame slot = t
Frame_Maximum
Response
TXRDY
W
rite
US_THR
Write
US_LINID
Data 1 Data 2 Data 3
Data3
Data N-1
Data N
Frame Slot Mode
Disabled
Frame Slot Mode
Enabled
LINTC
Data 1
46.6.9.14 LIN Errors
46.6.9.14.1 Bit Error
This error is generated in master of slave node configuration, when the USART is transmitting and if the transmitted
value on the Tx line is dif
ferent from the value sampled on the Rx line. If a bit error is detected, the transmission is
aborted at the next byte border.
This error is reported by flag US_CSR.LINBE.
46.6.9.14.2 Inconsistent Synch Field Error
This error is generated in slave node configuration, if the Synch Field character received is other than 0x55.
This error is reported by flag US_CSR.LINISFE.
46.6.9.14.3 Identifier Parity Error
This error is generated in slave node configuration, if the parity of the identifier is wrong. This error can be generated
only if the parity feature is enabled (PARDIS = 0).
This error is reported by flag US_CSR.LINIPE.
46.6.9.14.4 Checksum Error
This error is generated in master of slave node configuration, if the received checksum is wrong. This flag can be set
to 1 only if the checksum feature is enabled (CHKDIS = 0).
This error is reported by flag US_CSR.LINCE.
SAM E70/S70/V70/V71 Family
Universal Synchronous Asynchronous Receiver T
ransc...
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1213