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參數(shù)資料
| 型號： | IBM42P21SNYAA10 |
| 廠商： | IBM Microeletronics |
| 英文描述： | 2x Fibre Channel Small Form Factor Hot-Pluggable Transceiver(2x光纖通道小外形封裝可帶電插收發(fā)器) |
| 中文描述： | 2倍光纖通道纖巧熱插拔收發(fā)器（2倍光纖通道小外形封裝可帶電插收發(fā)器） |
| 文件頁數(shù)： | 9/34頁 |
| 文件大?。?/td> | 180K |
| 代理商： | IBM42P21SNYAA10 |
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IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
08/15/00
Page 9 of 31
Serial ID Figure 2
Set Data Address Sequence Timing
Serial ID Figure 3
Read Data Sequence Timing
Serial ID Figure 4
Critical Timings
Parameters are defined in Serial ID Timing Specifications on page 25.
SDA
SCL
S
T
A
R
T
1
0
1
0 0 0 0 0
1
A
C
K
Byte entered to allow the
user to set the starting
address for a Serial ID data read.
X 0 0 0 0 0 0 0
0
Data address to start reading
data from. (Addr. 0 in this
example, 0 through 127 available)
This bit does not matter.
Acknowledge from SFF
Acknowledge from SFF
2
3
4
5
6
7
8
9
1
1
1
0
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
S
T
A
R
T
2
0
A
C
K
S
T
O
P
SDA
SCL
1
9
1
0
1
Byte entered to allow the
user to start reading data.
(Sequence continued from Serial ID Figure 2.)
Acknowledge from SFF
1
An example data word.
(9A in this example)
The data line is normally high. It will remain high
until an Acknowledge or a Stop command is sent.
A
C
K
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
S
T
A
R
T
0
0
0
0
0
0
1
1
0
1
0
SCL
SDA IN
SDA OUT
t
SU.STA
t
HD.STA
t
F
t
R
t
HD.DAT
t
SU.DAT
t
SU.STO
t
DH
t
AA
t
HIGH
t
LOW
t
BUF
t
LOW
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