M37220M3-010SP MITSUBISHI [Mitsubishi Electric Semiconductor], M37220M3-010SP Datasheet - Page 11

• Manufacturer Part Number: M37220M3-010SP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER?
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Fig. 5. Structure of interrupt-related registers
7
7
7
0
0
0
0
0
0
Interrupt request register 1
Interrupt control register 1
(ICON1 : address 00FE
Interrupt input polarity register
(RE : address 00F9
(IREQ1 : address 00FC
Timer 1 interrupt request bit
Timer 2 interrupt request bit
Timer 3 interrupt request bit
Timer 4 interrupt request bit
CRT interrupt request bit
V
INT3 interrupt request bit
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
Timer 3 interrupt enable bit
Timer 4 interrupt enable bit
CRT interrupt enable bit
V
INT3 interrupt enable bit
INT1 polarity switch bit
INT2 polarity switch bit
INT3 polarity switch bit
Fix this bit to “0.”
Fix these bits to “0.”
SYNC
SYNC
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
interrupt enable bit
interrupt request bit
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
16
)
16
16
0 : No interrupt request issued
1 : Interrupt request issued
)
0 : Interrupt disabled
1 : Interrupt enabled
)
7
0
7
0
0 0
0
with ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
0
0
M37220M3-XXXSP
Interrupt request register 2
(IREQ2 : address 00FD
Interrupt control register 2
(ICON2 : address 00FF
Fix these bits to “0.”
INT1 interrupt request bit
INT2 interrupt request bit
X
Fix this bit to “0.”
INT1 interrupt enable bit
INT2 interrupt enable bit
Serial I/O interrupt enable bit
Fix this bit to “0.”
X
Serial I/O interrupt request bit
IN
IN
/4096 interrupt request bit
/4096 interrupt enable bit
16
16
)
)
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