參數(shù)資料
型號: IDT82V2108PX8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 226/292頁
文件大小: 0K
描述: IC FRAMER T1/J1/E1 8CH 128-PQFP
標(biāo)準(zhǔn)包裝: 500
控制器類型: T1/E1/J1 調(diào)幀器
接口: 并聯(lián)
電源電壓: 2.97 V ~ 3.63 V
電流 - 電源: 160mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 帶卷 (TR)
其它名稱: 82V2108PX8
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IDT82V2108
T1 / E1 / J1 OCTAL FRAMER
Functional Description
29
March 5, 2009
3.10.2
T1/J1 MODE
To enable the test for the received data stream, the PCCE (b0, T1/
J1-050H) must be set to activate the setting in the indirect registers
(from 01H to 48H). The following methods can be used for test on a per-
channel basis:
- Selected by the PRGDSEL[2:0] (b7~5, T1/J1-00FH), the received
data of one of the eight framers will be extracted to the PRBS Generator/
Detector when the RXPATGEN (b2, T1/J1-00FH) is ‘0’. The received
data can be extracted in framed or unframed mode, as determined by
the UNF_DET (b0, T1/J1-00FH). In unframed mode, all the 24 channels
and the F-bit are extracted and the per-channel configuration in the
TEST (b3, T1/J1-RPLC-indirect registers - 01~18H) is ignored. In
framed mode, the received data will only be extracted on the channel
specified by the TEST (b3, T1/J1-RPLC-indirect registers - 01~18H).
Fractional T1/J1 signal can also be extracted in the specified channel
when the Nx56k_DET (b3, T1/J1-00FH) is set. Refer to Chapter 3.12
- Replace the data that will be output on the RSDn/MRSD pin with
the value in the DTRK[7:0] (b7~0, T1/J1-RPLC-indirect registers -
19~30H) when the DTRKC (b6, T1/J1-RPLC-indirect registers -
01~18H) of the corresponding channel is logic 1. (When it is out of SF/
ESF synchronization, the value in the DTRK[7:0] (b7~0, T1/J1-RPLC-
indirect registers - 19~30H) will replace the data automatically if the
AUTOOOF (b1, T1/J1-000H) is set. Or, when the RED alarm is
declared, the value in the DTRK[7:0] (b7~0, T1/J1-RPLC-indirect regis-
ters - 19~30H) will replace the data automatically if the AUTORED (b2,
T1/J1-000H) is set. These two kinds of data replacements can be exe-
cuted even if the PCCE (b0, T1/J1-050H) is disabled and they replace
all the channels.)
- Replace the data that will be output on the RSDn/MRSD pin with
the milliwatt pattern when the DMW (b5, T1/J1-RPLC-indirect register -
01~18H) of the corresponding channel allows. (The milliwatt is -law.
Refer to Table 9.)
- Selected by the PRGDSEL[2:0] (b7~5, T1/J1-00FH), the test pat-
tern from the PRBS Generator/Detector will replace the received data of
one of the eight framers when the RXPATGEN (b2, T1/J1-00FH) is ‘1’.
The test pattern can replace the received data in framed or unframed
mode, as determined by the UNF_GEN (b1, T1/J1-00FH). In unframed
mode, all the 24 channels and the F-bit are replaced and the per-chan-
nel configuration in the TEST (b3, T1/J1-RPLC-indirect registers -
01~18H) is ignored. In framed mode, the received data will only be
replaced on the channel specified by the TEST (b3, T1/J1-RPLC-indirect
registers - 01~18H). Fractional T1/J1 signal can also be replaced in the
specified channel when the Nx56k_GEN (b4, T1/J1-00FH) is set. Refer
- Invert the most significant bit and/or the other bits in a channel
that will be output on the RSDn/MRSD pin when the SIGNINV and the
INVERT (b4 & b7, T1/J1-RPLC-indirect registers - 01~18H) of the corre-
sponding channel are set.
- Fix the signaling bit with the value in the POL (b0, T1/J1-RPLC-
indirect registers - 01~18H) when the FIX (b1, T1/J1-RPLC-indirect reg-
isters - 01~18H) of the corresponding channel is logic 1.
(The above methods are arranged from highest to lowest in prior-
ity.)
- Replace the signaling that will be output on the RSSIGn/MRSSIG
pin with the value in the A, B, C, D (b3~0, T1/J1-RPLC-indirect registers
- 31~48H) when the STRKC (b7, T1/J1-RPLC-indirect registers -
31~48H) of the corresponding channel is logic 1.
The data and signaling of all channels will be replaced with the set-
ting in the DTRK[7:0] (b7~0, T1/J1-RPLC-indirect registers - 19~30H)
and the A, B, C, D (b3~0, T1/J1-RPLC-indirect registers - 31~48H)
respectively when the IMTKC (b0, T1/J1-001H) is set. To enable this
function, the PCCE (b0, T1/J1-050H) must be set to ‘1’.
Addressed by the A[6:0] (b6~0, T1/J1-052H), the data read from or
written into the indirect registers is in the D[7:0] (b7~0, T1/J1-053H). The
read or write operation is determined by the R/WB (b7, T1/J1-052H).
Before the read/write operation is completed, the BUSY (b7, T1/J1-
051H) will be set. New operations on the indirect registers can only be
implemented when the BUSY (b7, T1/J1-051H) is cleared. The read/
write cycle is 650 ns.
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