MITSUBISHI MICROCOMPUTERS
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
b7
b0
Interrupt source selection register
(INTSEL: address 003916)
INT0/input buffer full interrupt source selection bit
0 : INT0 interrupt
1 : Input buffer full interrupt
INT1/output buffer empty interrupt source selection bit
0 : INT1 interrupt
1 : Output buffer empty interrupt
Serial I/O1 transmit/SCL,SDA interrupt source selection bit
0 : Serial I/O1 transmit interrupt
1 : SCL,SDA interrupt
CNTR0/SCL,SDA interrupt source selection bit
0 : CNTR0 interrupt
1 : SCL,SDA interrupt
(Do not write “1” to these bits simultaneously.)
Serial I/O2/I2C interrupt source selection bit
0 : Serial I/O2 interrupt
1 : I2C interrupt
INT2/I2C interrupt source selection bit
0 : INT2 interrupt
1 : I2C interrupt
(Do not write “1” to these bits simultaneously.)
CNTR1/key-on wake-up interrupt source selection bit
0 : CNTR1 interrupt
1 : Key-on wake-up interrupt
AD converter/key-on wake-up interrupt source selection bit
0 : A-D converter interrupt
1 : Key-on wake-up interrupt
(Do not write “1” to these bits simultaneously.)
Fig. 17 Structure of interrupt-related registers (2)
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