参数资料
型号: MM908E622ACDWB
厂商: Freescale Semiconductor
文件页数: 50/63页
文件大小: 0K
描述: IC QUAD HALF BRDG TRPL SW 54SOIC
标准包装: 26
应用: 自动镜像控制
核心处理器: HC08
程序存储器类型: 闪存(16 kB)
控制器系列: 908E
RAM 容量: 512 x 8
接口: SCI,SPI
输入/输出数: 12
电源电压: 9 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 54-BSSOP(0.295",7.50mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 54-SOICW-EP
Analog Integrated Circuit Device Data
54
Freescale Semiconductor
908E622
TYPICAL APPLICATIONS
LIN Pin
For DPI (Direct Power Injection) and ESD (Electrostatic
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 VSS)
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 34 and Figure 35 show the recommendations on
schematics and layout level, and Table 24 indicates
recommended external components and layout
considerations.
Figure 34. EMC/EMI recommendations
MM908E622
EVDD
VDD
EVSS
VSS
VSUP[1:8]
GND[1:4]
VSUP
+
VDDA/VREFH
VSSA/VREFL
LIN
C1
C2
D1
C3
C4
C5
L1
V1
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相关代理商/技术参数
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