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參數(shù)資料
| 型號(hào)： | MPC9824FAR2 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP32 |
| 封裝： | LQFP-32 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 309K |
| 代理商： | MPC9824FAR2 |
Advanced Clock Driver Devices
4
Freescale Semiconductor
MPC9824
MPC9824 OPERATION
Crystal Oscillator
The MPC9824 features a fully integrated Pierce oscillator
to minimize system implementation costs. Other than the
addition of a 25 MHz crystal no external components are
required.
The crystal selection should be of 25 MHz, parallel
resonant type with a load specification of CL = 10 pF. Crystals
with a load specification of CL = 20 pF may be used however
the reference frequency may be higher that the specified
25 MHz. Externally supplied capacitors on both the XTAL_IN
and XTAL_OUT pins may be used to trim the frequency as
desired.
The crystal should be located as close to the MPC9824
XTAL_IN and XTAL_OUT pins as possible to avoid any board
level parasitic.
Power-Supply Bypassing
The MPC9824 should have all VDD pins bypassed with
0.01 capacitors and a minimum of one 1.0 capacitor for the
overall package. All capacitors should be located as close to
the package as possible.
An external RC filter from VDD to VDDA is recommended as
shown in Figure 3.
Figure 3. Power Supply Filter
Table 4. Crystal Specifications
Parameter
Value
Crystal Cut
Fundamental AT Cut
Resonance
Parallel Resonance
Shunt Capacitance (CO)
5–7 pF
Load Capacitance (CL)
10 pF
Equivalent Series Resistance (ESR)
20–60
VCC_PLL
VCC
MPC9824
C1, C2 = 0.01...0.1 F
VCC
CF = 22 F
RF = 10-15
C2
C1
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| MPC9824FA | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP32 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC9850 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Clock Generator for PowerQUICC III |
| MPC9850VF | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9850VM | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9850VMR2 | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9855 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Clock Generator for PowerQUICC and PowerPC Microprocessors |
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