參數(shù)資料
型號： XRT83VSH316IB
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： 16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述： DATACOM, PCM TRANSCEIVER, PBGA316
封裝： 21 X 21 MM, STBGA-316
文件頁數(shù)： 50/96頁
文件大小： 600K
代理商： XRT83VSH316IB
XRT83VSH316
PRELIMINARY
48
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. P1.0.3
5.7
This test verifies the per-channel continuity from the Line Side of TIP and RING for both the transmitters and
receivers, through the transformers on the assembly and LIU. Inside the LIU, a MUX and Control logic using
TMS and TCK as reset and clock, successively connect each TIP and RING on the XRT83VSH316 side to two
Analog Test Pins, (ATP_TIP and ATP_RING). Simplified block and timing diagrams are shown in
Figure 33
and
Figure 34
.
Analog Board Continuity Check
5.7.1
Testing of each channel must be done in sequence. With a clock signal applied to TCK, Setting TMS to “0” will
begin the test sequence. On the falling edge of the 1st clock pulse after TMS is set to “0”, the sequence will
reset as shown in
Figure 34
above. On the 2nd falling clock edge the signal on ATP_TIP and ATP_RING will be
TTIP_0 and TRING_0, respectively. On the falling edge of the 19th clock pulse the signal on ATP_TIP and
ATP_RING will be connected to RTIP_0 and RRING_0, respectively. After the 34th clock pulse TMS can be
returned to a “1” and all channels will return to their normal state.
Transmitter TTIP and TRING Testing
F
IGURE
33. ATP
TESTING
BLOCK
DIAGRAM
F
IGURE
34. T
IMING
D
IAGRAM
FOR
ATP T
ESTING
XRT83SH314
S
XRT83VSH316
1:2
1:1
LINE SIDE Tx
LINE SIDE
Rx
RRING
TTIP
TRING
RTIP
TTIP_n
TRING_n
RRING_n
RTIP_n
MUX
&
Control Logic
TCK
TMS
ATP_TIP
ATP_RING
n = 0:15
Reset
Tx0
Tx1
Tx2
4
Rx0
Tx15
3
34
21
20
19
18
17
2
1
RX15
Rx2
Rx1
TCK
TMS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83VSH316IB-F 功能描述:外圍驅(qū)動器與原件 - PCI 16 Channel Short-Haul RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83VSH316IB-F 制造商:Exar Corporation 功能描述:T1/E1 LIU IC
XRT83VSH38 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH38ES 功能描述:外圍驅(qū)動器與原件 - PCI 8CH T1/E1LIUSH (low cost version) RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83VSH38IB 功能描述:接口 - 專用 8CH SH T1/E1 Line RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
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