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用外部设备设置32位微控制器TriCore的中断的指令及方法
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格式:rar |
大小:129 |
2009-07-01
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The Infineon TriCore provides an Interrupt System with a high safety standard. This
document contains some instructions on how to initiate an Interrupt from an external device. First it will show you how to trigger an Interrupt Service Request by an impulse on Port 0 or Port 1. Then in the second part of the document you can find hints how to debounce impulses to enable the use of a simple switch as input device.
1 Overview..3
2 The External Interrupt 4
2.1 The general settings ....5
2.2 Service request specific Individual settings 5
2.3 Enabling the GPTU by setting the Clock Register CLC .......6
2.4 The signal path from Port 0 or Port 1 to GTSRSEL 7
2.5 Example: The External Interrupt ..8
3 How to debounce a signal using the GPT Appendix ..11
3.1 Example: External Interrupt - debounced by using the GPT 12
4 Appendix .13
4.1 xxSRC – Source xx Service Request Control Register ....13
4.2 ICR – Interrupt Control Register .14
4.3 GTSRSEL – GPT Service Request Source Selection Register 15
4.4 GTCLC – GPT Clock Control Register .....16
4.5 T2AIS – Timer T2/T2A External Input Selection Register 17
4.6 T2ES – Timer T2 External Input Edge Selection Register ..18
4.7 T2CON – Timer T2 Mode Control and Status Register ....19
4.8 T2RCCON – Timer T2 Reload/Capture Mode Control Register 20
4.9 T2RC0 – Timer T2 Reload/Capture Register 0 21
4.10 CLC – Clock Control Register 21
document contains some instructions on how to initiate an Interrupt from an external device. First it will show you how to trigger an Interrupt Service Request by an impulse on Port 0 or Port 1. Then in the second part of the document you can find hints how to debounce impulses to enable the use of a simple switch as input device.
1 Overview..3
2 The External Interrupt 4
2.1 The general settings ....5
2.2 Service request specific Individual settings 5
2.3 Enabling the GPTU by setting the Clock Register CLC .......6
2.4 The signal path from Port 0 or Port 1 to GTSRSEL 7
2.5 Example: The External Interrupt ..8
3 How to debounce a signal using the GPT Appendix ..11
3.1 Example: External Interrupt - debounced by using the GPT 12
4 Appendix .13
4.1 xxSRC – Source xx Service Request Control Register ....13
4.2 ICR – Interrupt Control Register .14
4.3 GTSRSEL – GPT Service Request Source Selection Register 15
4.4 GTCLC – GPT Clock Control Register .....16
4.5 T2AIS – Timer T2/T2A External Input Selection Register 17
4.6 T2ES – Timer T2 External Input Edge Selection Register ..18
4.7 T2CON – Timer T2 Mode Control and Status Register ....19
4.8 T2RCCON – Timer T2 Reload/Capture Mode Control Register 20
4.9 T2RC0 – Timer T2 Reload/Capture Register 0 21
4.10 CLC – Clock Control Register 21
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