Mii management command register, Clocks field settings, Register bit assignment – Digi NS9750 User Manual

Page 384

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E t h e r n e t C o n t r o l a n d S t a t u s r e g i s t e r s

3 6 0

N S 9 7 5 0 H a r d w a r e R e f e r e n c e

Clocks field settings

MII Management Command register

Address: A060 0424

Register bit assignment

Note:

If both SCAN and READ are set, SCAN takes precedence.

CLKS field

Divisor

AHB bus clock for 2.5 MHz

AHB bus clock for 12.5 MHz

000

4

50 MHz

001

4

50 MHz

010

6

75 MHz

011

8

100 MHz

100

10

101

20

50 MHz

110

30

75 MHz

111

40

100 MHz

Bits

Access

Mnemonic

Reset

Description

D31:02

N/A

Reserved

N/A

N/A

Table 219: MII Management Command register

Reserved

READ

13

12

11

10

9

8

7

6

5

4

3

2

1

0

15

14

31

29

28

27

26

25

24

23

22

21

20

19

18

17

16

30

Reserved

SCAN

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