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參數(shù)資料
| 型號： | DSP56F826 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | 16-bit Hybrid Controller(16位混合控制器) |
| 中文描述： | 16位混合控制器（16位混合控制器） |
| 文件頁數(shù)： | 25/48頁 |
| 文件大?。?/td> | 1011K |
| 代理商： | DSP56F826 |
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External Clock Operation
56F826 Technical Data
25
This is the value load capacitance that should be used when selecting a crystal and determining the actual
frequency of operation of the crystal oscillator circuit.
Figure 11. Connecting to a Crystal Oscillator Circuit
3.6.2
It is also possible to drive the internal oscillator with a ceramic resonator, assuming the overall system
design can tolerate the reduced signal integrity. A typical ceramic resonator circuit is shown in
Figure 12
.
Refer to supplier’s recommendations when selecting a ceramic resonator and associated components. The
resonator and components should be mounted as close as possible to the EXTAL and XTAL pins. The
internal 56F82x oscillator circuitry is designed to have no external load capacitors present. As shown in
Figure 12
, no external load capacitors should be used.
Ceramic Resonator
Figure 12. Connecting a Ceramic Resonator
Note:
Motorola recommends only two terminal ceramic resonators vs. three terminal
resonators (which contain an internal bypass capacitor to ground).
3.6.3
The recommended method of connecting an external clock is given in
Figure 13
. The external clock
source is connected to XTAL and the EXTAL pin is held V
DDA
/2.
External Clock Source
CL =
CL1 * CL2
CL1 + CL2
+ Cs =
+ 3 = 6 + 3 = 9pF
12 * 12
12 + 12
Recommended External Crystal
Parameters:
R
z
= 1 to 3M
f
c
= 4Mhz (optimized for 4MHz)
EXTAL XTAL
R
z
f
c
Recommended Ceramic Resonator
Parameters:
R
z
= 1 to 3 M
f
c
= 4Mhz (optimized for 4MHz)
EXTAL XTAL
R
z
f
c
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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PDF描述 |
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| DSP56F827E | 16-bit Digital Signal Controllers |
| DSP56F827FG80 | 16-bit Digital Signal Controllers |
| DSP56F827FG80E | 16-bit Digital Signal Controllers |
| DSP56F827 | 16-bit Hybrid Controller(16位混合控制器) |
| DSP8-08AC | Phase-leg Rectifier Diode ISOPLUS220 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DSP56F826-827UM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Digital Signal Processor Users Manual |
| DSP56F826-827UM/D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:56F827 16-bit Hybrid Controller |
| DSP56F826BU80 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 80Mhz/ 40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| DSP56F826BU80E | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 80Mhz/40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| DSP56F826BU80E | 制造商:Freescale Semiconductor 功能描述:Digital Signal Processor IC DSP Type:Cor |
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