Datasheet

108
6.3 Description of Registers
6.3.1 Interrupt Priority Registers A–H (IPRA–IPRH)
Interrupt priority registers A–H (IPRA–IPRH) are 16-bit readable/writable registers that set
priority levels from 0 to 15 for IRQ interrupts and on-chip peripheral module interrupts.
Correspondence between interrupt request sources and each of the IPRA–IPRH bits is shown in
table 6.4.
Bit: 15 14 13 12 11 10 9 8
Initial value: 0 0 0 0 0 0 0 0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Bit: 7 6 5 4 3 2 1 0
Initial value: 0 0 0 0 0 0 0 0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Table 6.4 Interrupt Request Sources and IPRA–IPRH
Bits
Register 15–12 11–8 7–4 3–0
Interrupt priority register A IRQ0 IRQ1 IRQ2 IRQ3
Interrupt priority register B IRQ4 IRQ5 IRQ6 IRQ7
Interrupt priority register C DMAC0 DMAC1 DMAC2 DMAC3
Interrupt priority register D MTU0 MTU0 MTU1 MTU1
Interrupt priority register E MTU2 MTTU2 MTU3 MTU3
Interrupt priority register F MTU4 MTU4 SCI0 SCI1
Interrupt priority register G A/D(A/D0,
A/D1)
*
DTC CMT0 CMT1
Interrupt priority register H WDT, BSC I/O Reserved Reserved
Note: * Excluding A mask products are A/D, A mask products are A/D0 and A/D1.