參數(shù)資料
型號： UPD753017
廠商： NEC Corp.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機的小型通用紅外遙控器
文件頁數(shù)： 36/80頁
文件大?。?/td> 569K
代理商： UPD753017
36
μ
PD753012, 753016, 753017
7. INTERRUPT FUNCTION AND TEST FUNCTION
μ
PD753017 has eight types of interrupt sources and two types of test sources. Among the test sources, INT2
is provided with two testable inputs for edge detection.
μ
PD753017 has the following functions in the interrupt controller.
(1) Interrupt function
Vectored interrupt function for hardware control, enabling/disabling the interrupt acceptance by the
interrupt enable flag (IEXXX) and interrupt master enable flag (IME).
Can set any interrupt start address.
Multiple interrupts wherein the order of priority can be specified by the interrupt priority select register
(IPS).
Test function of interrupt request flag (IRQXXX). An interrupt generated can be checked by software.
Release the standby mode. A release interrupt can be selected by the interrupt enable flag.
(2) Test function
Test request flag (IRQXXX) generation can be checked by software.
Release the standby mode. The test source to be released can be selected by the test enable flag.
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