參數(shù)資料
型號(hào)： XRT83VSH314IB
廠商： Exar Corporation
文件頁(yè)數(shù)： 44/80頁(yè)
文件大?。?/td> 0K
描述： IC LIU SH T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝： 27
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 14/14
規(guī)程： T1，E1，J1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 304-BBGA
供應(yīng)商設(shè)備封裝： 304-PBGA（31x31）
包裝： 托盤
XRT83VSH314
46
REV. 1.0.1
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
6.3
MPC86X Mode Programmed I/O Access (Synchronous)
If the LIU is interfaced to a MPC86X type P, it should be configured to operate in the MPC86X mode.
MPC86X Read and Write operations are described below.
MPC86X Mode Read Cycle
1.
Place the address of the target register on the address bus input pins ADDR[10:0].
2.
While the P is placing this address value on the address bus, the address decoding circuitry should
assert the CS pin of the LIU, by toggling it "Low". This action enables further communication between the
P and the LIU microprocessor interface block.
3.
Next, the P should indicate that this current bus cycle is a Read operation by pulling the R/W input pin
"High".
4.
The LIU will toggle the TA output pin "Low". The LIU does this in order to inform the P that the data is
available to be read by the P.
5.
After the P detects the TA signal and has read the data, it can terminate the Read Cycle by toggling the
CS input pin "High".
MPC86X Mode Write Cycle
1.
Place the address of the target register on the address bus input pins ADDR[10:0].
2.
While the P is placing this address value on the address bus, the address decoding circuitry should
assert the CS pin of the LIU, by toggling it "Low". This action enables further communication between the
P and the LIU microprocessor interface block.
3.
Next, the P should indicate that this current bus cycle is a Write operation by pulling the R/W input pin
"Low".
4.
Toggle the WE input pin "Low".
5.
After the P toggles the WE signal "Low", the LIU will toggle the TA output pin "Low". The LIU does this in
order to inform the P that the data has been written into the internal register location.
6.
After the P detects the TA signal, the Write operation is completed by toggling both WE and CS pins
“High”.
The Motorola Read and Write timing diagram is shown in Figure 34. The timing specifications are shown in
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83VSH314IB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 14 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
XRT83VSH314IB-SAM 制造商:Exar Corporation 功能描述:FOR FUJITSU ONLY
XRT83VSH316 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316_07 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 16 CH 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
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