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参数资料
| 型号： | MM908E624AYEW |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 32 MHz, MICROCONTROLLER, PDSO54 |
| 封装： | 0.65 MM PITCH, ROHS COMPLIANT, SOIC-54 |
| 文件页数： | 24/39页 |
| 文件大小： | 702K |
| 代理商： | MM908E624AYEW |
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Analog Integrated Circuit Device Data
30
Freescale Semiconductor
908E624
TYPICAL APPLICATIONS
EMC/EMI RECOMMENDATIONS
This paragraph gives some device specific
recommendations to improve EMC/EMI performance.
Further generic design recommendations can be found on
the Freescale website: www.freescale.com.
VSUP Pins (VSUP1 and VSUP2)
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) it is 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, VREFL, and
VSSA)
To avoid noise on the analog supply pins it is 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.
schematics and layout level and Table 15 indicates
recommended external components and layout
considerations.
Figure 20. EMC/EMI Recommendations
MM908E624
VREFL
VDDA
EVDD
VDD
EVSS
AGND
VSUP1
GND
VSUP
+
VREFH
VSSA
VSUP2
LIN
C1
C2
D1
C3
C4
C5
L1
V1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM908E624AYEW/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers |
| MM908E624AYEWR2 | 功能描述:开关 IC - 各种 TRIPLE HIGH SIDE SWITCH RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| MM908E624AYPEW | 功能描述:8位微控制器 -MCU 3 HIGH SIDE SWITCH RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MM908E624AYPEWR2 | 功能描述:8位微控制器 -MCU 3 HIGH SIDE DRIVER RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MM908E625 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
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