Rainbow-electronics W90P710CDG Bedienungsanleitung PDF herunterladen (Seite 51)

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W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 51 - Revision B2

BITS DESCRIPTION

[31:30] PACKAGE

Package Type Select

These two bits are power-on setting latched from pin D[9:8]

Package [31:30] Package Type

1 1 176-pin Package

[29:24] VERSION

Version of chip

[23:0] CHIPID

The chip identifier 0x090.0710

Arbitration Control Register (ARBCON)

ARBCON

0xFFF0_0004 R/W

Arbitration Control Register

0x0000_0000

31 30 29 28 27 26 25 24

RESERVED

23 22 21 20 19 18 17 16

RESERVED

15 14 13 12 11 10 9 8

RESERVED

7 6 5 4 3 2 1 0

RESERVED IPACT IPEN PRTMOD

BITS DESCRIPTION

[31:3] RESERVED -

[2] IPACT

Interrupt priority active.

When IPEN=”1”, this bit will be set when the ARM core has an

unmasked interrupt request. This bit is available only when the

PRTMOD=0.

[1] IPEN

Interrupt priority enable bit

0 = the ARM core has the lowest priority.

1 = enable to raise the ARM core priority to second

This bit is available only when the PRTMOD=0.

[0] PRTMOD

Priority mode select

0 = Fixed Priority Mode (default)

1 = Rotate Priority Mode

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 551 552

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