參數(shù)資料
型號: uPD750068GT
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數(shù): 35/82頁
文件大?。?/td> 460K
代理商: UPD750068GT
35
μ
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
7. INTERRUPT FUNCTION AND TEST FUNCTION
The
μ
PD750068 has seven interrupt sources and two test sources. One test source, INT2, has two types of
edge detection testable inputs.
The interrupt control circuit of the
μ
PD750068 has the following functions.
(1) Interrupt function
Vectored interrupt function for hardware control, enabling/disabling the interrupt acceptance by the
interrupt enable flag (IE
×××
) 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 (IRQ
×××
). 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 (IRQ
×××
) 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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