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參數(shù)資料
| 型號： | MB582A |
| 廠商： | Fujitsu Limited |
| 英文描述： | 155-Mbps ATM Transceiver(155Mbps 異步傳輸模式 收發(fā)器) |
| 中文描述： | 155 - Mbps的自動柜員機收發(fā)器（155Mbps異步傳輸模式收發(fā)器） |
| 文件頁數(shù)： | 16/46頁 |
| 文件大?。?/td> | 345K |
| 代理商： | MB582A |
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MB582A/583A
Sleep mode function
Ready signal function
The sleep mode is turned on when;
Input serial data of “0” or “1” remains unchanged.*
The loss signal is received.
The device is not ready when;
Input serial data of “0” or “1” remains unchanged.*
The loss signal is received.
RESET = “0” (reset operation)
The PLL circuit in the clock recovery unit is not locked (because of the REFCLK frequency not matched,
external resistor not connected, etc.)
Input serial data, PDOWN, RESET, LOSI, and TLOSI functions
Loss state: Input serial data of “0” or “1” remains unchanged.*
X:0 or 1
* :Note that, whenever the serial data input is variable in level without being fixed as “0” or “1,” the device will assume
that data is being received (the optical module connected to the serial data input may output variable level when
the optical signal interrupted).
PDOWN
Sleep mode
RX-READY
Device state
1 (OPEN)
Sleep mode ON
H
Ready
0
Sleep mode OFF
L
Not ready
Input
serial data
PDOWN RESET
LOSI,
TLOSI
Sleep mode RX-READY
LOSO
DO0 to DO7
POCLK
Receive
state
1
1
1
Sleep
L
H
H
H
0
Not sleep
H
L
Normal
operation
Normal
operation
0
1
Sleep
L
H
H
H
0
Not sleep
L
L
L
0
1
1
Not sleep
L
H
Undefined
Synchronizing
with
REFCLK
0
H
L
Normal
operation
Normal
operation
0
1
L
H
L
L
0
L
Loss state
1
X
X
Sleep
L
H
H
H
0
1
X
Not sleep
L
H
Undefined
Synchronizing
with
REFCLK
0
L
L
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