參數(shù)資料
型號(hào)： SPC5604CF2MLL6
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 78/109頁(yè)
文件大?。?/td> 0K
描述： IC MCU 32BIT 512KB FLASH 100LQFP
標(biāo)準(zhǔn)包裝： 90
系列： MPC56xx Qorivva
核心處理器： e200z0h
芯體尺寸： 32-位
速度： 64MHz
連通性： CAN，I²C，LIN，SCI，SPI
外圍設(shè)備： DMA，POR，PWM，WDT
輸入/輸出數(shù)： 79
程序存儲(chǔ)器容量： 512KB（512K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 48K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 28x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 100-LQFP
包裝： 托盤
MPC5604B/C Microcontroller Data Sheet, Rev. 11.1
Package pinouts and signal descriptions
Freescale Semiconductor
70
possible, ideally infinite. This capacitor contributes to attenuating the noise present on the input pin; furthermore, it sources
charge during the sampling phase, when the analog signal source is a high-impedance source.
A real filter can typically be obtained by using a series resistance with a capacitor on the input pin (simple RC filter). The RC
filtering may be limited according to the value of source impedance of the transducer or circuit supplying the analog signal to
be measured. The filter at the input pins must be designed taking into account the dynamic characteristics of the input signal
(bandwidth) and the equivalent input impedance of the ADC itself.
In fact a current sink contributor is represented by the charge sharing effects with the sampling capacitance: being CS and Cp2
substantially two switched capacitances, with a frequency equal to the conversion rate of the ADC, it can be seen as a resistive
path to ground. For instance, assuming a conversion rate of 1 MHz, with CS+Cp2 equal to 3 pF, a resistance of 330 k is
obtained (REQ = 1 / (fc ×(CS+Cp2)), where fc represents the conversion rate at the considered channel). To minimize the error
induced by the voltage partitioning between this resistance (sampled voltage on CS+Cp2) and the sum of RS + RF, the external
circuit must be designed to respect the Equation 4:
Eqn. 4
Equation 4 generates a constraint for external network design, in particular on a resistive path.
Figure 20. Input equivalent circuit (precise channels)
VA
RS RF
+
REQ
---------------------
1
2
---LSB
RF
CF
RS
RL
RSW1
CP2
CS
VDD
Sampling
Source
Filter
Current Limiter
EXTERNAL CIRCUIT
INTERNAL CIRCUIT SCHEME
CP1
RAD
Channel
Selection
VA
RS: Source impedance
RF: Filter resistance
CF: Filter capacitance
RL: Current limiter resistance
RSW1: Channel selection switch impedance
RAD: Sampling switch impedance
CP: Pin capacitance (two contributions, CP1 and CP2)
CS: Sampling capacitance
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參數(shù)描述
SPC5604PEF0MLL6 功能描述:32位微控制器 - MCU MPC5604P PICTUS 512K 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(shí)鐘頻率:90 MHz 程序存儲(chǔ)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
SPC5604PEF0MLL7R 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs)
SPC5604PEF0MLQ6 功能描述:32位微控制器 - MCU MPC5604P PICTUS 512K 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(shí)鐘頻率:90 MHz 程序存儲(chǔ)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
SPC5604PEF0MLQ7R 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs)
SPC5604PEF0VLL7R 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:microcontroller units (MCUs)
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