ST STM32F405 User Manual

RM0090 Rev 18 993/1749
RM0090 Universal synchronous asynchronous receiver transmitter (USART)
1018
Figure 305. Break detection in LIN mode (11-bit break length - LBDL bit is set)
MSv40883V1
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10 Idle
0000 000 0001
Case 1: break signal not long enough => break discarded, LBD is not set
RX line
Capture strobe
Break state
machine
Read samples
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 B10 Idle
0000 000 0000
Case 2: break signal just long enough => break detected, LBD is set
RX line
Capture strobe
Break state
machine
Read samples
Break frame
Break frame
Delimiter is immediate
LBD
Idle Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10 Idle
0000 000 0000
Case 3: break signal long enough => break detected, LBD is set
RX line
Capture strobe
Break state
machine
Read samples
Break frame
LBD
wait delimiter

ST STM32F405 Specifications

General

Brand	ST
Model	STM32F405
Category	Computer Hardware
Language	English