STC8A8K64D4 Series Manual
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12 I/O port interrupt
The STC8A8K64D4 series MCUs support all I/O interrupts, and support 4 interrupt modes: falling edge interrupt, rising
edge interrupt, low-level interrupt, and high-level interrupt. Every group of I/O ports has an independent interrupt entry
address, and each I/O can independently set the interrupt mode.
12.1 I/O port interrupt related registers
P0 interrupt enable register
P1 interrupt enable register
P2 interrupt enable register
P3 interrupt enable register
P4 interrupt enable register
P5 interrupt enable register
P6 interrupt enable register
P7 interrupt enable register
P0 interrupt flag register
P1 interrupt flag register
P2 interrupt flag register
P3 interrupt flag register
P4 interrupt flag register
P5 interrupt flag register
P6 interrupt flag register
P7 interrupt flag register
P0 Interrupt mode register 0
P1 Interrupt mode register 0
P2 Interrupt mode register 0
P3 Interrupt mode register 0
P4 Interrupt mode register 0
P5 Interrupt mode register 0
P6 Interrupt mode register 0
P7 Interrupt mode register 0
P0 Interrupt mode register 1
P1 Interrupt mode register 1
P2 Interrupt mode register 1
P3 Interrupt mode register 1
P4 Interrupt mode register 1
P5 Interrupt mode register 1
P6 Interrupt mode register 1
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