M38072E8-XXXFP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M38072E8-XXXFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3807 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Interrupt request bit

Interrupt enable bit

Interrupt disable flag I

BRK instruction

Reset

Interrupt request

Fig. 13. Interrupt control

b7

b0 Interrupt edge selection register

(INTEDGE : address 003A16)

INT0 interrupt edge selection bit

INT1 interrupt edge selection bit

INT2 interrupt edge selection bit

INT3 interrupt edge selection bit

INT4 interrupt edge selection bit

Timer 1/INT2 interrupt source bit

Timer 2/INT3 interrupt source bit

Timer 3/INT4 interrupt source bit

0 : Falling edge active

1 : Rising edge active

0 : INT interrupt selected

1 : Timer interrupt selected

b7

b0 Interrupt request register 1

b7

b0 Interrupt request register 2

(IREQ1 : address 003C16)

(IREQ2 : address 003D16)

INT0 interrupt request bit

INT1 interrupt request bit

Serial I/O1 receive interrupt request bit

Serial I/O1 transmit interrupt request bit

Timer X interrupt request bit

Timer Y interrupt request bit

Timer 2/INT3 interrupt request bit

Timer 3/INT4 interrupt request bit

CNTR0 interrupt request bit

CNTR1 interrupt request bit

Serial I/O2 interrupt request bit

Timer 1/INT2 interrupt request bit

Timer A interrupt request bit

Timer B interrupt request bit

ADT/AD conversion interrupt request bit

Not used (returns "0" when read)

0 : No interrupt request issued

1 : Interrupt request issued

b7

b0 Interrupt control register 1

b7

(ICON1 : address 003E16)

INT0 interrupt enable bit

INT1 interrupt enable bit

Serial I/O1 receive interrupt enable bit

Serial I/O1 transmit interrupt enable bit

Timer X interrupt enable bit

Timer Y interrupt enable bit

Timer 2/INT3 interrupt enable bit

Timer 3/INT4 interrupt enable bit

Fig. 14. Structure of Interrupt-related registers

b0 Interrupt control register 2

(ICON2 : address 003F16)

CNTR0 interrupt enable bit

CNTR1 interrupt enable bit

Serial I/O2 interrupt enable bit

Timer 1/INT2 interrupt enable bit

Timer A interrupt enable bit

Timer B interrupt enable bit

ADT/AD conversion interrupt enable bit

Not used (returns "0" when read)

(Do not write "1" to this bit)

0 : Interrupt disabled

1 : Interrupt enabled

18

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