Rainbow Electronics W90N745CDG User Manual
Page 47
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W90N745CD/W90N745CDG
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Product Identifier Register （PDID）
This register is read only and lets software can use it 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_0745
31
30
29
28
27
26
25
24
PACKAGE VERSION
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
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
0 1
128-pin
Package
[29:24] VERSION
Version of chip
[23:0] CHIPID
The chip identifier of W90N745 is 0x090.0745
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