ICS1531 datasheet(36/76 Pages) ICST

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ICS1531 Rev N 12/1/99

December, 1999

Chapter 6

ICS1531 Data Sheet - Preliminary

6.5.13

The Chip Ver (Chip Version) Register is used to read the version number of the ICS1531.

6.5.14

The Chip Rev (Chip Revision) Register is used to read the revision level of the ICS1531 chip.

Table 6-14.

Chip Ver Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

10:7-

10:0

Chip Ver [7-0]

Chip Version [7-0].

• This register indicates the version number of the ICS chip.

• For the ICS1531, these bits have a value of 31 decimal

(that is, 1F hex), as in 1531.

Read

–

Table 6-15.

Chip Rev Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

11:7-

11:4

Chip Major Rev

[3-0]

Chip Major Revision [3-0].

The value of these bits:

• Indicate a ICS1531 major revision.

• Increment (+) with each all-layer revision.

• Have an initial (reset) value of 00h.

Read

IN-A

00+

11:3-

11:0

Chip Minor Rev

[3-0]

Chip Minor Revision [3-0].

The value of these bits:

• Indicate a ICS1531 minor revision.

• Increment (+) with each all-layer revision.

• Have an initial (reset) value of 01h.

Read

IN-A

01+

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