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PFS154 データシート(PDF) 37 Page - PADAUK Technology.

部品番号 PFS154
部品情報  8bit MTP Type IO controller
PDF  91 Pages
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メーカー  PADAUK [PADAUK Technology.]
ホームページ  http://www.padauk.com.tw/
Logo PADAUK - PADAUK Technology.

PFS154 データシート(HTML) 37 Page - PADAUK Technology.

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PFS154
8bit MTP Type IO Controller
©Copyright 2020, PADAUK Technology Co. Ltd
Page 37 of 91
PDK-DS-PFS154_CN_V105 –Jun. 9, 2020
void Interrupt
(void)
// interrupt service routine
{
PUSHAF
// store ALU and FLAG register
// If INTEN.PA0 will be opened and closed dynamically,
// user can judge whether INTEN.PA0 =1 or not.
// Example:
If (INTEN.PA0 && INTRQ.PA0)
{…}
// If INTEN.PA0 is always enable,
// user can omit the INTEN.PA0 judgement to speed up interrupt service routine.
If (INTRQ.PA0)
{
// Here for PA0 interrupt service routine
INTRQ.PA0 = 0;
// Delete corresponding bit (take PA0 for example)
...
}
...
// X : INTRQ = 0;
// It is not recommended to use INTRQ = 0 to clear all at the end of the
// interrupt service routine.
// It may accidentally clear out the interrupts that have just occurred
// and are not yet processed.
POPAF
// restore ALU and FLAG register
}



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