M37220M3-155SP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M37220M3-155SP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER 42P4B

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

M37220M3-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

7

0

7

0

Interrupt request register 1

(IREQ1 : address 00FC16)

0

Interrupt request register 2

(IREQ2 : address 00FD16)

Timer 1 interrupt request bit

Timer 2 interrupt request bit

Timer 3 interrupt request bit

Timer 4 interrupt request bit

CRT interrupt request bit

VSYNC interrupt request bit

INT3 interrupt request bit

INT1 interrupt request bit

INT2 interrupt request bit

Serial I/O interrupt request bit

XIN/4096 interrupt request bit

Fix this bit to “0.”

0 : No interrupt request issued

1 : Interrupt request issued

7

0

7

0

Interrupt control register 1

(ICON1 : address 00FE16)

000 0

Interrupt control register 2

(ICON2 : address 00FF16)

Timer 1 interrupt enable bit

Timer 2 interrupt enable bit

Timer 3 interrupt enable bit

Timer 4 interrupt enable bit

CRT interrupt enable bit

VSYNC interrupt enable bit

INT3 interrupt enable bit

INT1 interrupt enable bit

INT2 interrupt enable bit

Serial I/O interrupt enable bit

Fix this bit to “0.”

XIN/4096 interrupt enable bit

Fix these bits to “0.”

0 : Interrupt disabled

1 : Interrupt enabled

7

0

0

00

Interrupt input polarity register

(RE : address 00F916)

Fix these bits to “0.”

INT1 polarity switch bit

0 : Positive polarity

1 : Negative polarity

INT2 polarity switch bit

0 : Positive polarity

1 : Negative polarity

INT3 polarity switch bit

0 : Positive polarity

1 : Negative polarity

Fix this bit to “0.”

Fig. 5. Structure of interrupt-related registers

11

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