參數(shù)資料
型號: IDT82V2042EPF8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 29/83頁
文件大?。?/td> 0K
描述: IC LIU T1/J1/E1 2CH SHORT 80TQFP
標(biāo)準(zhǔn)包裝: 750
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.13 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-TQFP(14x14)
包裝: 帶卷 (TR)
其它名稱: 82V2042EPF8
IDT82V2042E
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
FUNCTIONAL DESCRIPTION
35
December 12, 2005
3.8.4.3 Automatic Remote Loopback
When ARLP bit (MAINT1, 0DH...) is set to ‘1’, the corresponding chan-
nel is configured into the Automatic Remote Loopback mode. In this mode,
if the Activate Loopback Code has been detected in the receive data for
more than 5.1 s, the Remote Loopback (shown as Figure-16) will be estab-
lished automatically, and the RLP_S bit (STAT1, 17H...) will be set to ‘1’ to
indicate the establishment of the Remote Loopback. The IBLBA_S bit
(STAT0,16H...)issetto‘1’togenerateaninterrupt.Inthiscase,theRemote
Loopback mode will still be kept even if the receiver stop receiving the Acti-
vate Loopback Code.
If the Deactivate Loopback Code has been detected in the receive data
formorethan5.1s,theRemoteLoopbackwillbedemolishedautomatically,
and the RLP_S bit (STAT1, 17H...) will set to ‘0’ to indicate the demolish-
ment of the Remote Loopback. The IBLBD_S bit (STAT0, 16H...) is set to
‘1’ to generate an interrupt.
The Remote Loopback can also be demolished forcedly by setting
ARLP bit (MAINT1, 0DH...) to ‘0’.
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