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參數(shù)資料
| 型號(hào)： | XRT83SH38IB-F |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 64/78頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU SH T1/E1/J1 8CH 225BGA |
| 標(biāo)準(zhǔn)包裝： | 84 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 8/8 |
| 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： | 225-BGA |
| 供應(yīng)商設(shè)備封裝： | 225-BGA（19x19） |
| 包裝： | 托盤 |
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XRT83SH38
64
REV. 1.0.7
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
CLOCK SELECT REGISTER
The input clock source is used to generate all the necessary clock references internally to the LIU. The
microprocessor timing is derived from a PLL output which is chosen by programming the Clock Select Bits and
the Master Clock Rate in register 0x81h. Therefore, if the clock selection bits or the MCLRATE bit are being
programmed, the frequency of the PLL output will be adjusted accordingly. During this adjustment, it is
important to "Not" write to any other bit location within the same register while selecting the input/output clock
frequency. For best results, register 0x81h can be broken down into two sub-registers with the MSB being bits
D[7:3] and the LSB being bits D[2:0] as shown in Figure 38. Note: Bit D[7] is a reserved bit.
FIGURE 38. REGISTER 0X81H SUB REGISTERS
Programming Examples:
Example 1: Changing bits D[7:3]
If bits D[7:3] are the only values within the register that will change in a WRITE process, the microprocessor
only needs to initiate ONE write operation.
Example 2: Changing bits D[2:0]
If bits D[2:0] are the only values within the register that will change in a WRITE process, the microprocessor
only needs to initiate ONE write operation.
Example 3: Changing bits within the MSB and LSB
In this scenario, one must initiate TWO write operations such that the MSB and LSB do not change within ONE
write cycle. It is recommended that the MSB and LSB be treated as two independent sub-registers. One can
either change the clock selection (MSB) and then change bits D[2:0] (LSB) on the SECOND write, or vice-
versa. No order or sequence is necessary.
D0
D1
D2
D3
D4
D5
D6
D7
MSB
LSB
Clock Selection Bits
ExLOS, ICT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT86L30IV-F | IC LIU/FRAMER TI/E1/J1 SGL 128LQ |
| XRT86VL30IV-F | IC FRAMR/LIU T1/E1/J1 QD 128LQFP |
| XRT86VL32IB-F | IC LIU/FRAMER T1/E1/J1 2CH 225BG |
| XRT86VL34IB-F | IC LIU/FRAMER T1/E1/J1 4CH 225BG |
| XRT86VL38IB484-F | IC LIU/FRAMER T1/E1/J1 8CH 484BG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SL216 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216ES | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 16 CH E1 LIU SH 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 |
| XRT83SL216IB | 功能描述:接口 - 專用 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 |
| XRT83SL216IB-F | 功能描述:接口 - 專用 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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