參數(shù)資料
型號： DSP56F827E
廠商： 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述： 16-bit Digital Signal Controllers
中文描述： 16位數(shù)字信號控制器
文件頁數(shù)： 30/60頁
文件大?。?/td> 811K
代理商： DSP56F827E
56F827 Technical Data, Rev. 12
30
Freescale Semiconductor
Figure 3-8 Flash Mass Erase Cycle
3.6 External Clock Operation
The 56F827 system clock can be derived from a crystal or an external system clock signal. To generate a
reference frequency using the internal oscillator, a reference crystal must be connected between the
EXTAL and XTAL pins.
3.6.1
Crystal Oscillator
The internal oscillator is also designed to interface with a parallel-resonant crystal resonator in the
frequency range specified for the external crystal in
Table 3-8
.
A recommended crystal oscillator circuit
is shown in
Figure 3-9
.
Follow the crystal supplier’s recommendations when selecting a crystal, because
crystal parameters determine the component values required to provide maximum stability and reliable
start-up. The crystal and associated components should be mounted as close as possible to the EXTAL
and XTAL pins to minimize output distortion and start-up stabilization time.The internal 56F82x
oscillator circuitry is designed to have no external load capacitors present. As shown in
Figure 3-9
,
no
external load capacitors should be used.
The 56F80x components internally are modeled as a parallel resonant oscillator circuit to provide a
capacitive load on each of the oscillator pins (XTAL and EXTAL) of 10pF to 13pF over temperature and
process variations. Using a typical value of internal capacitance on these pins of 12pF and a value of 3pF
XADR
YE=SE=OE=0
ERASE
NVSTR
Tnvs
Tnvh1
Trcv
Tme
MAS1
IFREN
XE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56F827E/D 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:56F827 16-bit Hybrid Controller
DSP56F827EVM 制造商:Freescale Semiconductor 功能描述:Microprocessor Support IC For Use With:5
DSP56F827EVMUM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56F827 Evaluation Module Hardware User＇s Manual
DSP56F827FG80 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(shè)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(fēng)格:SMD/SMT
DSP56F827FG80E 功能描述:16位微控制器 - MCU 80Mhz/40MIPS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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