LM3S5739 Datasheet, PDF (631/856 Pages) Texas Instruments – Stellaris® LM3S5739 Microcontroller

Stellaris® LM3S5739 Microcontroller
Figure 16-3. Message Objects in a FIFO Buffer
START
Message Interrupt
Read Interrupt Pointer
Case Interrupt Pointer else
0x0000
Status Change
Interrupt Handling
MNUM = Interrupt Pointer
Write MNUM to IFn Command Request
(Read Message to IFn Registers,
Reset NEWDAT = 0,
Reset INTPND = 0
Read IFn Message Control
Yes
No
NEWDAT = 1
0x8000
END
Read Data from IFn Data A,B
Yes
EOB = 1
No
MNUM = MNUM + 1
November 17, 2011
631
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