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| 型号： | SI5322/23-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 8/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR SI5322/23 |
| 标准包装： | 1 |
| 主要目的： | 计时，时钟发生器 |
| 已用 IC / 零件： | SI5322，SI5323 |
| 已供物品： | 板，线缆，CD，文档 |
Si5322
16
Rev. 0.51
21
CS_CA
I/O
LVCMOS
Input Clock Select/Active Clock Indicator.
Input: If manual clock selection mode is chosen
(AUTOSEL = L), this pin functions as the manual
input clock selector. This input is internally deglitched
to prevent inadvertent clock switching during
changes in the CS input state.
0 = Select CKIN1.
1 = Select CKIN2.
If configured as input, must be set high or low.
Output: If automatic clock selection mode is chosen
(AUTOSEL = M or H), this pin indicates which of
the two input clocks is currently the active clock. If
alarms exist on both CKIN1 and CKIN2, indicating
that the digital hold state has been entered, CA will
indicate the last active clock that was used before
entering the hold state.
0 = CKIN1 active input clock.
1 = CKIN2 active input clock.
23
22
BWSEL1
BWSEL0
I
3-Level
Bandwidth Select.
Three level inputs that select the DSPLL closed loop band-
width. Detailed operations and timing characteristics for
these pins may be found in the Any-Frequency Precision
Clock Family Reference Manual.
These pins have both weak pull-ups and weak pull-downs
and default to M.
Some designs may require an external resistor voltage
divider when driven by an active device that will tri-state.
27
26
25
24
FRQSEL3
FRQSEL2
FRQSEL1
FRQSEL0
I
3-Level
Multiplier Select.
Three level inputs that select the input clock and clock multi-
plication ratio, depending on the FRQTBL setting. Consult
the Any-Frequency Precision Clock Family Reference Man-
ual or DSPLLsim configuration software for settings, both
available for download at www.silabs.com/timing (click on
Documentation).
These pins have both weak pull-ups and weak pull-downs
and default to M.
Some designs may require an external resistor voltage
divider when driven by an active device that will tri-state.
Table 9. Si5322 Pin Descriptions (Continued)
Pin #
Pin Name
I/O
Signal Level
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| Si5322-B-GM | 功能描述:时钟合成器/抖动清除器 PIN-PROGRAMMABLE CLK MULTIPLIER 1 OUT 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 |
| SI5322-B-GMR | 制造商:Silicon Laboratories Inc 功能描述:PIN-PROGRAMMABLE PRECISION CLOCK MULTIPLIER, 2 OUTPUTS - Tape and Reel |
| Si5322-C-GM | 功能描述:时钟合成器/抖动清除器 PIN-PROGRAMMABLE CLK MULTIPLIER 1 OUT 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 |
| SI5322-C-GMR | 功能描述:时钟发生器及支持产品 Pin-Ctrl Precision Clk Xplier 2/2 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| SI5323 | 制造商:SILABS 制造商全称:SILABS 功能描述:Pin-Controlled 1_710 MHz Jitter Cleaning Clock |
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