參數(shù)資料
型號: 82596DX
廠商: Intel Corp.
英文描述: HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR
中文描述: 高性能的32位局域網(wǎng)協(xié)處理器
文件頁數(shù): 44/77頁
文件大小: 787K
代理商: 82596DX
82596DX/SX
TRANSMIT
This command is used to transmit a frame of user data onto the serial link. The format of a Transmit command
is as follows.
31
16
ODD WORD
15
0
EVEN WORD
EL S
I
X
X
X
X
X
X
X
X
X
X
1
0
0
C
B
STATUS BITS
MAXCOLL
0
A15
A0
TBD OFFSET
A15
A0
LINK OFFSET
4
4th byte
DESTINATION ADDRESS
1st byte
8
LENGTH FIELD
6th byte
12
Figure 28. TRANSMITD82586 Mode
31
16
ODD WORD
15
0
EVEN WORD
EL S
I
0
0
0
0
0
0
0
0 NC SF 1
0
0
C
B
STATUS BITS
MAXCOLL
0
A15
A0
TBD OFFSET
A15
A0
LINK OFFSET
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 EOF 0
TCB COUNT
8
4th byte
DESTINATION ADDRESS
1st byte
12
LENGTH FIELD
6th byte
16
OPTIONAL DATA
Figure 29. TRANSMITD32-Bit Segmented Mode
31
16
ODD WORD
15
0
EVEN WORD
EL S
I
0
0
0
0
0
0
0
0 NC SF 1
0
0
C
B
STATUS BITS
MAXCOLL
0
A31
A0
LINK ADDRESS
4
A31
A0
TRANSMIT BUFFER DESCRIPTOR ADDRESS
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 EOF 0
TCB COUNT
12
4th byte
DESTINATION ADDRESS
1st byte
16
20
LENGTH FIELD
6th byte
OPTIONAL DATA
Figure 30. TRANSMITDLinear Mode
31
16
COMMAND WORD
EL S
I
0
0
0
0
0
0
0
0 NC SF 1
u u
0
0
2
0: No CRC Insertion disable; when the
configure command is configured to
not insert the CRC during
transmission the NC has no effect.
1: No CRC Insertion enable; when the
configure command is configured to
insert the CRC during transmission
the CRC will not be inserted when
NC
e
1.
0: Simplified Mode, all the Tx data is in
the Transmit Command Block. The
Transmit Buffer Descriptor Address
field is all 1s.
1: Flexible Mode. Data is in the TCB and
in a linked list of TBDs.
44
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