Rainbow Electronics W90N740 User Manual
Page 109

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.