Figure 237. Break Detection In Lin Mode (11-Bit Break Length - Lbdl Bit Is Set) - STMicroelectronics STM32F05 series Reference Manual

RM0091

Figure 237. 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
Capture Strobe
Break State machine
Read Samples
Case 2: break signal just long enough => break detected, LBDF is set
Capture Strobe
Break State machine
Read Samples
Case 3: break signal long enough => break detected, LBDF is set
Capture Strobe
Break State machine
Read Samples
Universal synchronous asynchronous receiver transmitter (USART)
RX line
Idle Bit0 Bit1
0 0
RX line
Idle Bit0 Bit1
0 0
LBDF
RX line
Idle Bit0 Bit1
0 0
LBDF
Doc ID 018940 Rev 1
Break Frame
Bit2 Bit3 Bit4 Bit5 Bit6
0 0 0 0 0
Break Frame
Bit2 Bit3 Bit4 Bit5 Bit6
0 0 0 0 0
Break Frame
Bit2 Bit3 Bit4 Bit5 Bit6
0 0 0 0 0
Bit7 Bit8 Bit9 Bit10
0 0 0 1
delimiter is immediate
Bit7 Bit8 Bit9 B10
0 0 0 0
Bit7 Bit8 Bit9 Bit10 wait delimiter
0 0 0 0
Idle
Idle
Idle
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