H8SLASH3021 datasheet(111/712 Pages) RENESAS

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5. Interrupt Controller

Rev.2.00 Mar. 22, 2007 Page 87 of 684

REJ09B0352-0200

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

interrupt priority levels can be set.

Bit

Initial value

Read/Write

IPRB7

R/W

IPRB6

R/W

—

R/W

—

R/W

IPRB3

R/W

—

R/W

IPRB2

R/W

IPRB1

R/W

Priority level B7

Selects the priority level of ITU channel 3 interrupt requests

Priority level B3

Selects the priority level of SCI

channel 0 interrupt requests

Selects the priority level of SCI

channel 1 interrupt requests

Priority level B2

Priority level B1

Selects the priority level

of A/D converter

interrupt request

Reserved bit

Selects the priority level of ITU channel 4 interrupt requests

Priority level B6

Reserved bits

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

Bit 7—Priority Level B7 (IPRB7): Selects the priority level of ITU channel 3 interrupt requests.

Bit7

IPRB7

Description

ITU channel 3 interrupt requests have priority level 0 (low priority)

(Initial value)

ITU channel 3 interrupt requests have priority level 1 (high priority)

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