m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 32

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 9 Structure of interrupt-related registers
18
Fig. 8 Interrupt control
b7
b7
b7
Interrupt request bit
Interrupt enable bit
b0
b0
b0
Interrupt edge selection register
(INTEDGE : address 003A
Interrupt request register 1
(IREQ1 : address 003C
Interrupt control register 1
(ICON1 : address 003E
INT
INT
INT
INT
INT
INT
CNTR
CNTR
INT
INT
INT
Remote control/counter overflow
Serial I/O1 interrupt request bit
Serial I/O automatic transfer
Serial I/O2 interrupt request bit
Serial I/O3 interrupt request bit
Timer 1 interrupt request bit
Timer 2 interrupt request bit
INT
INT
INT
Remote control/counter overflow
Serial I/O1 interrupt enable bit
Serial I/O automatic transfer
Serial I/O2 interrupt enable bit
Serial I/O3 interrupt enable bit
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
Interrupt disable flag (I)
0
1
2
3
4
4
0
1
2
0
1
2
/ZCR interrupt edge selection bit
/AD conversion interrupt switch bit
/ZCR interrupt request bit
/ZCR interrupt enable bit
interrupt edge selection bit
interrupt edge selection bit
interrupt edge selection bit
interrupt edge selection bit
interrupt request bit
interrupt request bit
interrupt enable bit
interrupt enable bit
0
1
pin active edge switch bit
pin active edge switch bit
interrupt request bit
interrupt request bit
interrupt enable bit
interrupt enable bit
16
16
)
)
16
)
BRK instruction
Reset
0 : Falling edge active
1 : Rising edge active
0 : INT
1 : A-D conversion interrupt
0 : Rising edge count
1 : Falling edge count
b7
b7
4
interrupt
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
0 : No interrupt request issued
1 : Interrupt request issued
0 : Interrupts disabled
1 : Interrupts enabled
b0
b0
MITSUBISHI MICROCOMPUTERS
Interrupt request register 2
(IREQ2 : address 003D
Interrupt control register 2
(ICON2 : address 003F
Interrupt request
Timer 3 interrupt request bit
Timer 4 interrupt request bit
Timer 5 interrupt request bit
Timer 6 interrupt request bit
INT
INT
AD conversion interrupt request bit
FLD blanking interrupt request bit
FLD digit interrupt request bit
Not used (returns “0” when read)
Timer 3 interrupt enable bit
Timer 4 interrupt enable bit
Timer 5 interrupt enable bit
Timer 6 interrupt enable bit
INT
INT
AD conversion interrupt enable bit
FLD blanking interrupt enable bit
FLD digit interrupt enable bit
Not used (returns “0” when read)
(do not write “1” to this bit)
3
4
3
4
interrupt request bit
interrupt request bit
interrupt enable bit
interrupt enable bit
3819 Group
16
16
)
)