H83065 datasheet(118/963 Pages) RENESAS

118 / 963 page

Section 5 Interrupt Controller

Rev. 4.00 Jan 26, 2006 page 96 of 938

REJ09B0276-0400

Interrupt Priority Register A (IPRA): IPRA is an 8-bit readable/writable register in which

interrupt priority levels can be set.

Bit

Initial value

Read/Write

IPRA7

R/W

IPRA6

R/W

IPRA5

R/W

IPRA4

R/W

IPRA3

R/W

IPRA0

R/W

IPRA2

R/W

IPRA1

R/W

Priority level A7

Selects the priority level of IRQ interrupt requests

Priority level A3

Selects the priority level of WDT,

DRAM interface, and A/D converter

interrupt requests

Priority level A2

Selects the priority level of

16-bit timer channel 0 interrupt

requests

Priority level A1

Selects the priority level

of 16-bit timer channel 1

interrupt requests

Priority

level A0

Selects the

priority level

of 16-bit timer

channel 2

interrupt

requests

Selects the priority level of IRQ interrupt requests

Priority level A6

Selects the priority level of IRQ and IRQ interrupt requests

Priority level A5

Selects the priority level of IRQ and IRQ

interrupt requests

Priority level A4

IPRA is initialized to H'00 by a reset and in hardware standby mode.

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