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參數(shù)資料
| 型號： | IBM42P10SNYAA10 |
| 廠商： | IBM Microeletronics |
| 英文描述： | Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器) |
| 中文描述： | 千兆以太網(wǎng)/光纖通道纖巧熱插拔收發(fā)器（吉（10 ^ 9政）位以太網(wǎng)/光纖通道熱插收發(fā)器） |
| 文件頁數(shù)： | 8/34頁 |
| 文件大?。?/td> | 181K |
| 代理商： | IBM42P10SNYAA10 |
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IBM42P10SNYAA10 IBM42P12SNYAA10
IBM42P10LNYAA10 IBM42P12LNYAA10
Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Page 8 of 33
08/15/00
Serial Module Definition Protocol (Serial ID)
Product specific information is stored in a Serial ID EEPROM. To read the serial data from the Serial ID mod-
ule, the following must occur (refer to Serial ID Figures 1, 2, and 3 throughout these steps):
1. Send a start sequence to the module.
This is done by changing the data line from high to low while the clock is high.
2. Send the set data address sequence.
The set data address sequence is 10100000. This sequence will allow the user to set the memory
address to start reading from.
Note: Be sure to toggle the data line only when the clock is low. Toggling the data line while the clock is
high indicates a start or stop condition.
3. Receive an acknowledge signal.
One zero bit is the acknowledge signal.
4. Send the address of the first byte to read.
The most significant bit of the address byte is the first bit and is ignored.
5. Receive an acknowledge signal.
6. Send a start command.
7. Send the read data sequence.
The read data sequence is 10100001. This sequence will allow the user to begin reading the data.
8. Receive an acknowledge signal.
9. Read a data word.
10. Send an acknowledge signal to receive the next data word or send a stop command to stop receiving
data.
A stop command is given by toggling the data from low to high while the clock is high.
The critical timings for communicating to the Serial ID EEPROM are shown in Serial ID Figure 4 on page 9.
For more information on the Serial ID protocol, see Serial ID Timing Specifications on page 20.
Serial ID Figure 1
Start and Stop Timing
SDA
SCL
START
STOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IBM42P10LNYAA10 | Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器) |
| IBM42P12LNYAA10 | Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器) |
| IBM42P12SNYAA10 | Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器) |
| IBM42P21SNYAA10 | 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) |
| IBM42P21LNYAA10 | 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver(1x吉位光纖通道小格式可帶電插收發(fā)器) |
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