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5.3.1
Interrupt Control Register (INTCR)
INTCR selects the interrupt control mode, and the detected edge for NMI.
Bit
Bit Name
7
6
5
INTM1
4
INTM0
3
NMIEG
2 to 0
Rev. 1.00, 09/03, page 68 of 704
Initial Value
R/W
0
R/(W)
0
R/(W)
0
R/W
0
R/W
0
R/W
All 0
R/(W)
Description
Reserved
The initial value should not be changed.
Interrupt Control Select Mode 1 and 0
These bits select either of two interrupt control
modes for the interrupt controller.
00: Interrupt control mode 0
Interrupts are controlled by I bit.
01: Setting prohibited
10: Interrupt control mode 2
Interrupts are controlled by bits I2 to I0 and IPR.
11: Setting prohibited.
NMI Edge Select
Selects the input edge for the NMI pin.
0: Interrupt request generated at falling edge of NMI
input
1: Interrupt request generated at rising edge of NMI
input
Reserved
The initial value should not be changed.
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