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Rev. 5.00, 09/03, page 135 of 760
Bits 5 and 4—IRQ2 Sense Select (IRQ21S, IRQ20S): Select whether the interrupt signal to the
IRQ2 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 5: IRQ21S Bit 4: IRQ20S Description
0 0 An interrupt request is detected at IRQ2 input falling edge
(Initial value)
1 An interrupt request is detected at IRQ2 input rising edge
1 0 An interrupt request is detected at IRQ2 input low level
1 Reserved
Bits 3 and 2—IRQ1 Sense Select (IRQ11S, IRQ10S): Select whether the interrupt signal to the
IRQ1 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 3: IRQ11S Bit 2: IRQ10S Description
0 0 An interrupt request is detected at IRQ1 input falling edge
(Initial value)
1 An interrupt request is detected at IRQ1 input rising edge
1 0 An interrupt request is detected at IRQ1 input low level
1 Reserved
Bits 1 and 0—IRQ0 Sense Select (IRQ01S, IRQ00S): Select whether the interrupt signal to the
IRQ0 pin is detected at the rising edge, at the falling edge, or at the low level.
Bit 1: IRQ01S Bit 0: IRQ00S Description
0 0 An interrupt request is detected at IRQ0 input falling edge
(Initial value)
1 An interrupt request is detected at IRQ0 input rising edge
1 0 An interrupt request is detected at IRQ0 input low level
1 Reserved