參數(shù)資料
型號(hào)： MM908E625ACDWB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54
封裝： 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54
文件頁(yè)數(shù)： 38/49頁(yè)
文件大?。?/td> 907K
代理商： MM908E625ACDWB
Analog Integrated Circuit Device Data
Freescale Semiconductor
43
908E625
TYPICAL APPLICATIONS
FACTORY TRIMMING AND CALIBRATION
EMC/EMI RECOMMENDATIONS
This paragraph gives some device specific
recommendations to improve EMC/EMI performance.
Further generic design recommendations can be e.g. found
on the Freescale web site www.freescale.com.
VSUP pins (VSUP1:VSUP3)
Its recommended to place a high-quality ceramic
decoupling capacitor close to the VSUP pins to improve
EMC/EMI behavior.
LIN pin
For DPI (Direct Power Injection) and ESD (Electro Static
Discharge) its recommended to place a high-quality ceramic
decoupling capacitor near the LIN pin. An additional varistor
will further increase the immunity against ESD. A ferrite in the
LIN line will suppress some of the noise induced.
Voltage regulator output pins (VDD and AGND)
Use a high-quality ceramic decoupling capacitor to
stabilize the regulated voltage.
MCU digital supply pins (EVDD and EVSS)
Fast signal transitions on MCU pins place high, short-
duration current demands on the power supply. To prevent
noise problems, take special care to provide power supply
bypassing at the MCU. It is recommended that a high-quality
ceramic decoupling capacitor be placed between these pins.
MCU analog supply pins (VREFH, VDDA and VREFL,
VSSA)
To avoid noise on the analog supply pins its important to
take special care on the layout. The MCU digital and analog
supplies should be tied to the same potential via separate
traces and connected to the voltage regulator output.
Figure 25 and Figure 26 show the recommendations on
schematics and layout level and Table 13 indicates
recommended external components and layout
considerations.
Figure 25. EMC/EMI recommendations
MM908E625
VREFL
VDDA
EVDD
VDD
EVSS
VSS
VSUP1
GND1
VSUP
+
VREFH
VSSA
VSUP2
LIN
C1
C2
D1
C3
C4
C5
L1
V1
VSUP3
GND2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MM908E625ACDWB/R2 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
MM908E625ACEK 功能描述:8位微控制器 -MCU Quad Half H-Bridge with P/S, HC08, LIN RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MM908E625ACPEK 功能描述:8位微控制器 -MCU R0 HI-BRDG EMBED MCU LIN RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MM908E626 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication
MM908E626AVDWB 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 QUADSTEPPER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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