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Re: 請問 ICD2
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版主
 
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即使只有RB<4:5> 也不會影響此功能。檢查你的暫存器設定是否有遺漏，原文的說明如下:
第8.8章 PORTB Interrupt-on-Change An input change on PORTB<7:4> sets flag bit RBIF(INTCON<0>). The interrupt can be enabled/disabled by setting/clearing enable bit, RBIE (INTCON<3>). Interrupt priority for PORTB interrupt-on-change is determined by the value contained in the interrupt priority bit, RBIP (INTCON2<0>).
發表於: 2004/10/15 15:40
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請問 ICD2
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初級會員
 
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請問版主:
ICD2會用到RB6,7 ，那麼INTERRUPT ON CHANGE的功能是否就不能用了嗎?因為小弟用18F452，希望RB4,5可以對輸入訊號做INTERRUPT ON CHANGE的動作(RB6,7仍接ICD2)，但好像失敗了，所以想確定一下是否能用，或是自已暫存器沒設定好。 謝謝
發表於: 2004/10/15 13:09
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