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| 型號： | MCF52213CAE50 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 32/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 32BIT 128K FLASH 64-LQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | MCF5221x |
| 核心處理器： | Coldfire V2 |
| 芯體尺寸： | 32-位 |
| 速度： | 50MHz |
| 連通性： | I²C，SPI，UART/USART，USB OTG |
| 外圍設(shè)備： | DMA，LVD，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 56 |
| 程序存儲器容量： | 128KB（128K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 8K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-LQFP |
| 包裝： | 托盤 |
| 配用： | M52210DEMO-ND - BOARD DEV MCF5221X LOW COST |
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Electrical Characteristics
MCF52211 ColdFire Microcontroller, Rev. 2
Freescale Semiconductor
38
2.14
Equivalent Circuit for ADC Inputs
Figure 8 shows the ADC input circuit during sample and hold. S1 and S2 are always open/closed at the same time that S3 is
closed/open. When S1/S2 are closed & S3 is open, one input of the sample and hold circuit moves to (VREFH-VREFL)/2, while
the other charges to the analog input voltage. When the switches are flipped, the charge on C1 and C2 are averaged via S3, with
the result that a single-ended analog input is switched to a differential voltage centered about (VREFH-VREFL)/2. The switches
switch on every cycle of the ADC clock (open one-half ADC clock, closed one-half ADC clock). There are additional
capacitances associated with the analog input pad, routing, etc., but these do not filter into the S/H output voltage, as S1 provides
isolation during the charge-sharing phase. One aspect of this circuit is that there is an on-going input current, which is a function
of the analog input voltage, VREF and the ADC clock frequency.
1. Parasitic capacitance due to package, pin-to-pin and pin-to-package base coupling; 1.8pF
2. Parasitic capacitance due to the chip bond pad, ESD protection devices and signal routing; 2.04pF
3. Equivalent resistance for the channel select mux; 100
s
4. Sampling capacitor at the sample and hold circuit. Capacitor C1 is normally disconnected from the input and is only
connected to it at sampling time; 1.4pF
5. Equivalent input impedance, when the input is selected =
Figure 8. Equivalent Circuit for A/D Loading
THD
Total harmonic distortion
—
75
—
dB
SFDR
Spurious free dynamic range
—
67 to 70.3
—
dB
SINAD
Signal-to-noise plus distortion
—
61 to 63.9
—
dB
ENOB
Effective number of bits
9.1
10.6
—
Bits
1 All measurements are preliminary pending full characterization, and made at V
DD = 3.3V, VREFH = 3.3V, and VREFL = ground
2 INL measured from V
IN = VREFL to VIN = VREFH
3 LSB = Least Significant Bit
4 INL measured from V
IN = 0.1VREFH to VIN = 0.9VREFH
5 Includes power-up of ADC and V
REF
6 ADC clock cycles
7 Current that can be injected or sourced from an unselected ADC signal input without impacting the performance of the ADC
Table 34. ADC Parameters1 (continued)
Name
Characteristic
Min
Typical
Max
Unit
1
2
3
Analog Input
4
S1
S2
S3
C1
C2
S/H
C1 = C2 = 1pF
(VREFH- VREFL)/ 2
125W ESD Resistor
8pF noise damping capacitor
1
(ADC Clock Rate)
(1.410-12)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF52221 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire Microcontroller |
| MCF52221CAE66 | 功能描述:32位微控制器 - MCU 32-BIT MCU W/ USB FS OTG 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(fēng)格:SMD/SMT |
| MCF52221CAF66 | 功能描述:32位微控制器 - MCU 32-BIT MCU W/ USB FS OTG 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(fēng)格:SMD/SMT |
| MCF52221CAF80 | 功能描述:32位微控制器 - MCU 32-BIT MCU W/ USB FS OTG 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(fēng)格:SMD/SMT |
| MCF52221CVM66 | 功能描述:32位微控制器 - MCU 32-BIT MCU W/ USB FS OTG 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(fēng)格:SMD/SMT |
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