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STR720 数据表(PDF) 247 Page - STMicroelectronics

部件名 STR720
功能描述  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STR720 数据表(HTML) 247 Page - STMicroelectronics

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STR720 - CONTROLLER AREA NETWORK (CAN)
247/401
Figure 34. CPU Handling of a FIFO Buffer
Read Interrupt Pointer
START
case Interrupt Pointer
0x8000h
else
0x0000h
Status Change
END
MessageNum = Interrupt Pointer
Write MessageNum to IFn Command Request
(Read Message to IFn Registers,
Reset NewDat = 0,
Reset IntPnd = 0)
Read IFn Message Control
NewDat = 1
Read Data from IFn Data A,B
EoB = 1
MessageNum = MessageNum + 1
Yes
No
Yes
No
Message Interrupt
Interrupt Handling
1



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