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Rainbow Electronics W90N740 User Manual

Page 33

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W90N740

Publication Release Date: November 26, 2004

- 29 -

Revision A4

7.2.7 System Manager Control Registers Map

Register Address

R/W

Description

Reset

Value

PDID 0xFFF0.0000

R

Product

Identifier Register

0xX090.0740

ARBCON 0xFFF0.0004

R/W

Arbitration Control Register

0x0000.0000

PLLCON 0xFFF0.0008

R/W

PLL

Control Register

0x0000.2F01

CLKSEL 0xFFF0.000C

R/W

Clock

Select Register

0x0000.3FX8

Product Identifier Register PDID

This register is for read only and enables software to recognize certain characteristics of the chip ID and
the version number.

Register Address

R/W

Description

Reset

Value

PDID 0xFFF0.0000

R Product

Identifier Register

0xX090.0740

31

30

29

28

27

26

25

24

PACKAGE 1

23

22

21

20

19

18

17

16

CHPID

15

14

13

12

11

10

9

8

CHPID

7

6

5

4

3

2

1

0

CHPID

PACKAGE [31:30] Package Type

Package [31:30]

Bus Width

1 1

176-pin

Package

CHPID [23:0]: Chip identifier

The Chip identifier of W90N740 is 0x90.0740