548
INTCR—Interrupt Control Register
H'FF31
Interrupt Controller
Bit
Initial value
Read/Write
7
—
0
—
6
—
0
—
5
INTM1
0
R/W
4
INTM0
0
R/W
3
NMIEG
0
R/W
2
—
0
—
1
—
0
—
0
—
0
—
NMI Edge Select
0
Interrupt request generated at falling edge
of NMI input
1
Interrupt request generated at rising edge
of NMI input
Interrupt Control Mode 1 and 0
0
1
0
1
Interrupts are controlled by I bit
Setting prohibited
Interrupts are controlled by bits I2 to I0, and IPR
Setting prohibited
INTM1
Description
0
—
2
—
Interrupt Control
Mode
0
1
INTM2
IER—IRQ Enable Register
H'FF32
Interrupt Controller
Bit
Initial value
Read/Write
15
IRQ15E
0
R/W
14
IRQ14E
0
R/W
13
IRQ13E
0
R/W
12
IRQ12E
0
R/W
11
IRQ11E
0
R/W
10
IRQ10E
0
R/W
9
IRQ9E
0
R/W
8
IRQ8E
0
R/W
Bit
Initial value
Read/Write
7
IRQ7E
0
R/W
6
IRQ6E
0
R/W
5
IRQ5E
0
R/W
4
IRQ4E
0
R/W
3
IRQ3E
0
R/W
2
IRQ2E
0
R/W
1
IRQ1E
0
R/W
0
IRQ0E
0
R/W
IRQ15 to IRQ0 Enable
0
IRQn interrupts disabled
1
IRQn interrupts enabled
(n = 15 to 0)
Содержание H8S/2670
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