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Rainbow Electronics W90N740 User Manual

Page 109

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W90N740

Publication Release Date: November 26, 2004

- 105 -

Revision A4

MAC General Status Register (MGSTA_0, MGSTA_1)

Register Address R/W

Description

Reset

Value

MGSTA_0 0xFFF0.30B8 R/W MAC

General Status Register

0x0000.0000

MGSTA_1 0xFFF0.38B8 R/W MAC

General Status 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 TXHA

SQE

PAU

DEF

7

6

5

4

3

2

1

0

CCNT Reserved

RXHA

CFR


All the MGSTA bits are write ones clear.

TXHA [11]: Transmission Halted

Default value: 0

Set to indicate that the transmission is halt by clearing the TXON bit.

SQE [10]: Signal Quality Error

Default value: 0

Set to indicate a SQE.

PAU [9]: Pause Bit

Default value: 0

Set when transmission was delayed due to a remote Pause command.

DEF [8]: Deferred transmission

Default value: 0

This bit is set to indicate the network is busy.

CCNT [7:4]: Collision Count

Default value: 0

Four bits counter to indicate the number of collisions occurred before the frame is transmitted.