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DOC7707 датащи(PDF) 207 Page - List of Unclassifed Manufacturers

номер детали DOC7707
подробное описание детали  Microcontroller with 8/16K Bytes of ISP Flash and USB Controller
PDF  307 Pages
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производитель  ETC1 [List of Unclassifed Manufacturers]
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DOC7707 датащи(HTML) 207 Page - List of Unclassifed Manufacturers

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7707F–AVR–11/10
AT90USB82/162
It is not possible to have overflow error during IN stage, in the CPU side, since the CPU should
write only if the bank is ready to access data (TXINI=1 or RWAL=1).
20.17 Interrupts
The next figure shows all the interrupts sources:
Figure 20-4. USB Device Controller Interrupt System
There are 2 kind of interrupts: processing (i.e. their generation are part of the normal processing)
and exception (errors).
Processing interrupts are generated when:
• Upstream resume(UPRSMI)
• End of resume(EORSMI)
• Wake up(WAKEUPI)
• End of reset (Speed Initialization)(EORSTI)
• Start of frame(SOFI, if FNCERR=0)
• Suspend detected after 3 ms of inactivity(SUSPI)
Exception Interrupts are generated when:
• CRC error in frame number of SOF(SOFI, FNCERR=1)
UPRSMI
UDINT.6
UPRSME
UDIEN.6
EORSMI
UDINT.5
EORSME
UDIEN.5
WAKEUPI
UDINT.4
WAKEUPE
UDIEN.4
EORSTI
UDINT.3
EORSTE
UDIEN.3
SOFI
UDINT.2
SOFE
UDIEN.2
SUSPI
UDINT.0
SUSPE
UDIEN.0
USB Device
Interrupt



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