參數(shù)資料
型號(hào): 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(dòng)柜員機(jī)收發(fā)器(155Mbps異步傳輸模式收發(fā)器)
文件頁(yè)數(shù): 19/46頁(yè)
文件大小: 345K
代理商: MB582A
19
MB582A/583A
I
USING SLEEP MODE
Using the MB582A Sleep Mode
It is necessary to follow either method (1) or (2) when using the sleep mode, otherwise the device will not return to
normal operating status.
(1) Apply a reset to the device when it enters sleep mode, then cancel the reset 50 ms after clearing the PDOWN
signal or input a reset pulse with a width of 50 ms after clearing the PDOWN signal. Note that a stable reference
clock signal (REFCLK or PICLK) must be input before the reset is canceled. (See the diagram below.)
This method eliminates the need for connecting an external capacitor to the TIMER pin as described in method
(2).
Be sure to leave the TIMER pin open when not in use.
50 ms or more
50 ms or more
(active)
(inactive)
(inactive)
(active)
(inactive)
Select
either
RESET
RESET
(active)
PDOWN
Stable reference clock
Reference clock
Stable reference clock
Reference clock
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