Figure 315. Mute Mode Using Address Mark Detection - ST STM32WL55JC Reference Manual

Universal synchronous/asynchronous receiver transmitter (USART/UART)
Figure 315. Break detection in LIN mode (11-bit break length - LBDL bit is set)
Case 1: break signal not long enough => break discarded, LBDF is not set
RX line
Capture strobe
Break state
machine
Read samples
Case 2: break signal just long enough => break detected, LBDF is set
RX line
Capture strobe
Break state
machine
Read samples
LBDF
Case 3: break signal long enough => break detected, LBDF is set
RX line
Capture strobe
Break state
machine
Read samples
LBDF
1146/1454
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10
0 0 0
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 B10
0 0 0
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10
0 0 0 0
RM0453 Rev 2
Break frame
0 0 0 0
Break frame
0 0 0 0
Break frame
0 0 0 0
Idle
0 0 0 1
Delimiter is immediate
Idle
0 0 0 0
wait delimiter
0 0 0
RM0453
Idle
MSv31156V1