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參數(shù)資料
| 型號： | MCF52236CAF50 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 50 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, ROHS COMPLIANT, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 28/55頁 |
| 文件大?。?/td> | 636K |
| 代理商： | MCF52236CAF50 |
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MCF52235 ColdFire Microcontroller Data Sheet, Rev. 10
Electrical Characteristics
Freescale Semiconductor
34
2.4
Phase Lock Loop Electrical Specifications
Table 25. Oscillator and PLL Electrical Specifications
(VDD and VDDPLL = 2.7 to 3.6 V, VSS = VSSPLL = 0 V)
Characteristic
Symbol
Min
Max
Unit
Clock Source Frequency Range of EXTAL Frequency Range
Crystal
External1
1 In external clock mode, it is possible to run the chip directly from an external clock source without enabling the PLL.
fcrystal
fext
0.5
0
25.0
60.0
MHz
PLL reference frequency range
fref_pll
210.0
MHz
System frequency 2
External clock mode
On-Chip PLL Frequency
2
All internal registers retain data at 0 Hz.
fsys
0
fref / 32
60
MHz
Loss of reference frequency 3, 5
3 Loss of reference frequency is the reference frequency detected internally that transitions the PLL into self-clocked mode.
fLOR
100
1000
kHz
Self clocked mode frequency 4, 5
4 Self-clocked mode frequency is the frequency that the PLL operates at when the reference frequency falls below f
LOR with
default MFD/RFD settings.
fSCM
15
MHz
Crystal start-up time 5, 6
5 This parameter is characterized before qualification rather than 100% tested.
6 Proper PC board layout procedures must be followed to achieve specifications.
tcst
—10
ms
EXTAL input high voltage
Crystal reference
External reference
VIHEXT
VDD- 1.0
2.0
VDD
3.07
V
EXTAL input low voltage
Crystal reference
External reference
VILEXT
VSS
1.0
0.8
V
XTAL output high voltage
IOH = 1.0 mA
VOL
VDD –1.0
—
V
XTAL output low voltage
IOL = 1.0 mA
VOL
—0.5
V
XTAL load capacitance8
——
pF
PLL lock time5,9
tlpll
—500
s
Power-up to lock time 5, 7,9
With crystal reference
Without crystal reference
tlplk
—
10.5
500
ms
s
Duty cycle of reference 5
tdc
40
60
% fsys
Frequency un-LOCK range
fUL
–1.5
1.5
% fsys
Frequency LOCK range
fLCK
–0.75
0.75
% fsys
CLKOUT period Jitter 5, 6, 8, 10,11, measured at fSYS Max
Peak-to-peak jitter (clock edge to clock edge)
Long term jitter (averaged over 2 ms interval)
Cjitter
—
10
0.01
% fsys
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相關代理商/技術參數(shù) |
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|---|---|
| MCF5223EVB | 制造商:Freescale Semiconductor 功能描述:EVALUATION BOARD KIT |
| MCF52252AF80 | 功能描述:32位微控制器 - MCU KIRIN3 COLDFIRE V2 RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT |
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| MCF52252CAF66 | 功能描述:32位微控制器 - MCU KIRIN3 COLDFIRE V2 RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT |
| MCF52252CAF66 | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU COLDFIRE/68K 66MHZ LQFP-100 |
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