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| 型号： | XRT83SL34 |
| 厂商： | Exar Corporation |
| 英文描述： | QUAD T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| 中文描述： | 上海四的T1/E1/J1收发器时钟恢复和抖动衰减器 |
| 文件页数： | 62/80页 |
| 文件大小： | 856K |
| 代理商： | XRT83SL34 |
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XRT83SL34
QUAD T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.8
62
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 0x41h. 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, when bits D[6:3] are being changed, the other bits D[7] and D[2:0] as shown in
Figure 23. should retain their previous values.
FIGURE 23. REGISTER 0X81H SUB REGISTERS
Programming Examples:
Example 1: Changing bits D[6:3]
If bits D[6:3] 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[7] and D[2:0]
If bits D[7] and 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 D[6:3] and the other bits
In this scenario, one must initiate TWO write operations such that bits D[6:3] and the other bits do not change
within ONE write cycle. It is recommended that bits D[6:0] and the other bits be treated as two independent
sub-registers. One can either change the clock selection bits and then change bits D[7] and D[2:0] on the
SECOND write, or vice-versa. No order or sequence is necessary.
D0
D1
D2
D3
D4
D5
D6
D7
Clock Selection Bits
ExLOS, ICT
E1arben
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRT83SL34ES | 功能描述:外围驱动器与原件 - PCI 4 CHT1/E1 LIUSH RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| XRT83SL34IV | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| XRT83SL34IV-F | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| XRT83SL38 | 制造商:EXAR 制造商全称:EXAR 功能描述:OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83SL38_07 | 制造商:EXAR 制造商全称:EXAR 功能描述:OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER |
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