Renesas SH7709S Manual Do Utilizador
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.
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.
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.
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