NAME
參數(shù)資料
型號(hào): XRT83VSH316IB
廠商: Exar Corporation
文件頁數(shù): 8/98頁
文件大?。?/td> 0K
描述: IC LIU SH T1/E1/J1 16CH 316STBGA
標(biāo)準(zhǔn)包裝: 60
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 16/16
規(guī)程: T1,E1,J1
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 316-LBGA
供應(yīng)商設(shè)備封裝: 316-STBGA(21x21)
包裝: 托盤
XRT83VSH316
13
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.1
CLOCK SECTION
NAME
PIN
TYPE
DESCRIPTION
MCLKin
A5
I
Master Clock Input
The master clock input can accept a wide range of inputs that can be used to
generate T1 or E1 clock rates on a per channel basis. See the register map for
details.
NOTE: Internally pulled "Low" with a 50k
resistor.
8kHzOUT
B3
O
8kHz Output Clock
MCLKE1out
A2
O
2.048MHz Output Clock
MCLKE1Nout
A3
O
2.048MHz, 4.096MHz, 8.192MHz, or 16.384MHz Output Clock
See the register map for programming details.
MCLKT1out
B4
O
1.544MHz Output Clock
MCLKT1Nout
C4
O
1.544MHz, 3.088MHz, 6.176MHz, or 12.352MHz Output Clock
See the register map for programming details.
CLK19MHz
M1
O
19.44MHz Output Clock Reference for Recovered Clock Synchronization
The purpose of this clock is to provide a 19.44MHz clock that is synchronous to
either an externally provided clock or to one of the 16 selectable recovered line
clocks from the LIU. See
Figure 3 for details.
XTAL1
J1
I
Crystal Input Pin
This pin should be tied to the input pin of a 19.44MHz crystal with an accuracy
of +/-20ppm.
XTAL2
K1
O
Crystal Output Pin
This pin should be tied to the output pin of a 19.44MHz crystal with an accu-
racy of +/-20ppm.
CMPOUT
L1
O
Charge Pump Filter Output
See
Figure 3 for filtering component selection.
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