CHAPTER 21:Ethernet MAC
714
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
4.59.
Deferred Transmission Frames Register
Description of Deferred Transmission Frames register is shown.
REGISTER_NAME
ETHERNETn_deferred_frames
OFFSET
0x148
ACCESS_SIZE
W
MULTIPLE
NUMERIC_TYPE
OTHER
BIT_OFFSET
31
30
29
28
27
26
25
24
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
23
22
21
20
19
18
17
16
BIT_NAME
Reserved
count[17:16]
ACCESS_TYPE
R0,WX
R,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
0x0
BIT_OFFSET
15
14
13
12
11
10
9
8
BIT_NAME
count[15:8]
ACCESS_TYPE
R,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
count[7:0]
ACCESS_TYPE
R,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
[bit31:18] Reserved
Always read "0". Writing has no effect.
[bit17:0] count: Deferred transmission frames
An 18-bit register counting the number of frames experiencing deferral due to carrier sense being
active on their first attempt at transmission. Frames involved in any collision are not counted nor are
frames that experienced a transmit under run.
Содержание S6J3200 Series
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