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| 型號： | IBM42M10SNYAA20 |
| 廠商： | IBM Microeletronics |
| 英文描述： | 1063 MB/S Gigabit Link Module(1063 MB/S 吉位連接模塊（高性能集成光纖收發(fā)器）) |
| 中文描述： | 1063 MB / s的千兆連接模塊（1063 MB /秒吉位連接模塊（高性能集成光纖收發(fā)器）） |
| 文件頁數(shù)： | 5/26頁 |
| 文件大?。?/td> | 436K |
| 代理商： | IBM42M10SNYAA20 |
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IBM42M10SNYAA20
IBM42M10LNYAA10
1063Mb/s Gigabit Link Module - No OFC
GLM1063N.02
11/10/99
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 5 of 26
Output Signal Definitions
Levels for the signals described in this section are listed in Digital Outputs on page 14.
Receive Byte Clocks (RBC[0:1])
The Clock Generator generates two clock signals, 180 degrees out of phase, for use in clocking the parallel
data (Rx[00:19]). Each of the Receive Byte Clocks has a nominal 53.125MHz frequency. The timing of these
clocks is shown in the Receive Timings diagram below. If the Enable Comma Detect Signal is active, these
clocks will be reset any time that a Comma Character is received (see Comma Detect (Com_Det) on page 6
and Transmit and Lock to Reference Timings on page 8).
If a stream of Comma Characters (transmitted on both Tx[00:09] and Tx[10:19]) is received, RBC[0:1] will not
operate properly. Having adjacent Comma Characters violates 8B/10B coding.
If there is no modulated light into the receiver or the PLL is out of lock for some other reason, the Receive
Byte Clocks will operate at an unknown frequency between 27 and 106MHz.
Receive Data (Rx[00:19])
These 20 lines are used to output the deserialized data to the system logic in parallel. Rx00 is received at the
photoreceiver first. Rx19 is received last. The relationship between the Receive Byte Clocks and Receive
Data is shown in the Receive Timings diagram below. The Comma Character will always be aligned on
Rx[00:09].
If there is no modulated light into the receiver or the Receive PLL is out of lock for some other reason, the
Receive Data lines change randomly.
Receive Timings
Rx[00:19] Valid
Comma Detect
>2.5ns
RBC[1]
>6.0ns
18.8ns
>2.5ns
>6.0ns
18.8ns
K28.5
Data
RBC[0]
Note: All critical timings are referenced to the negative edge of the clocks.
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