参数资料
型号: ML64P168-NGA
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 微控制器/微处理器
英文描述: 4-BIT, OTPROM, 0.7 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80
文件页数: 41/52页
文件大小: 336K
代理商: ML64P168-NGA
FEDL64P168-02
Semiconductor
ML64P168
45/51
Interrupt ( INTC )
The ML64P168 has 10 interrupt sources ( 10 vector address ), of which two are external interrupts
from ports and eight are internal interrupts.
Of the ten interrupt sources, only the watchdog timer interrupt cannot be disabled ( non-maskable
interrupt ). The other nine interrupts are controlled by the master interrupt enable flag ( MI ) and the
interrupt enable registers ( IE0, IE1, and IE2 ). When an interrupt condition is met, the CPU
branches to a vector address corresponding to the interrupt source.
Battery check circuit ( BC )
The battery check circuit ( BC ) detects the level of the supply voltage by comparing the voltage
generated by an external supply-voltage dividing resistor ( RBLD ) with the internal reference voltage
( Vrb ).
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