Datasheet

Section 5 Interrupt Controller
Rev. 3.00 Mar 17, 2006 page 107 of 926
REJ09B0283-0300
Vector
Address
*
Interrupt
Source
Origin of
Interrupt
Source
Vector
Number
Advanced
Mode IPR Priority
DTC
Activation
DMAC
Activation
—
120 H'01E0 IPRK2 to IPRK0 High ——
Reserved for
system use
121 H'01E4
——
122 H'01E8 ——
123 H'01EC
——
124 H'01F0 ——
125 H'01F4
——
126 H'01F8 ——
127 H'01EC
Low ——
Note: * Lower 16 bits of the start address.
5.6 Interrupt Control Modes and Interrupt Operation
The interrupt controller has two modes: interrupt control mode 0 and interrupt control mode 2.
Interrupt operations differ depending on the interrupt control mode. The interrupt control mode is
selected by INTCR. Table 5.3 shows the differences between interrupt control mode 0 and
interrupt control mode 2.
Table 5.3 Interrupt Control Modes
Interrupt
Control Mode
Priority Setting
Registers
Interrupt
Mask Bits
Description
0 Default I The priorities of interrupt sources are fixed at
the default settings.
Interrupt sources except for NMI is masked by
the I bit.
2 IPR I2 to I0 8 priority levels except for NMI can be set with
IPR.
8-level interrupt mask control is performed by
bits I2 to I0.