391
CHAPTER 20 UART2, UART3
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LIN bus timing
Figure 20.7-9 LIN Bus Timing and UART2, UART3 Signals
LIN
bus
RXE
LBD
(IRQ0)
LBIE
RDRF
RIE
old serial clock
no clock used
(calibration frame)
ne
w
(calibrated) serial clock
LIN break detected and Interrupt
IRQ from ICU
IRQ from ICU
Reception enable
Edge of Start bit of Identifier byte
Byte read in RDR2/RDR3
RDR2/RDR3 read by CPU
ICU count
Reception Interrupt
LIN break begins
Read
RDR2/RDR3
by CPU
(SIN2/SIN3)
(IRQ0)
Internal
IRQ from
IRQ cleared by CPU (LBD -> 0)
ICU
IRQ cleared: Begin of Input Capture
IRQ cleared: Calculate & set ne
w
baud rate
Signal
to ICU
enable
LBIE disable
Содержание MB90390 Series
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Страница 17: ...xiii APPENDIX D List of Interrupt Vectors 690 INDEX 695 ...
Страница 18: ...xiv ...
Страница 132: ...104 CHAPTER 5 CLOCKS ...
Страница 152: ...124 CHAPTER 6 CLOCK MODULATOR ...
Страница 210: ...182 CHAPTER 11 TIME BASE TIMER ...
Страница 218: ...190 CHAPTER 12 WATCHDOG TIMER ...
Страница 264: ...236 CHAPTER 14 16 BIT RELOAD TIMER WITH EVENT COUNT FUNCTION ...
Страница 274: ...246 CHAPTER 15 WATCH TIMER ...
Страница 306: ...278 CHAPTER 17 DTP EXTERNAL INTERRUPTS ...
Страница 338: ...310 CHAPTER 18 8 10 BIT A D CONVERTER ...
Страница 364: ...336 CHAPTER 19 UART0 UART1 ...
Страница 398: ...370 CHAPTER 20 UART2 UART3 Figure 20 5 2 ORE Set Timing Receive data RDRF ORE ...
Страница 432: ...404 CHAPTER 20 UART2 UART3 ...
Страница 482: ...454 CHAPTER 22 SERIAL I O ...
Страница 560: ...532 CHAPTER 24 STEPPING MOTOR CONTROLLER ...
Страница 582: ...554 CHAPTER 27 ROM MIRRORING MODULE ...
Страница 632: ...604 CHAPTER 29 EXAMPLES OF SERIAL PROGRAMMING CONNECTION ...
Страница 722: ...694 APPENDIX ...
Страница 723: ...695 INDEX The index follows on the next page This is listed in alphabetic order ...
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