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参数资料
| 型号： | MM908E621ACDWB/R2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54 |
| 封装： | 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54 |
| 文件页数： | 16/65页 |
| 文件大小： | 1221K |
| 代理商： | MM908E621ACDWB/R2 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
23
908E621
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
ADC SUPPLY/REFERENCE PINS (VDDA/VREFH
AND VSSA/VREFL)
VDDA and VSSA are the power supply pins for the analog-
to-digital converter (ADC).
VREFH and VREFL are the reference voltage pins for the
ADC.
The supply and reference signals are internally connected.
It is recommended that a high quality ceramic decoupling
capacitor be placed between these pins.
For details refer to the 68HC908EY16 datasheet.
MCU POWER SUPPLY PINS (EVDD AND EVSS)
EVDD and EVSS are the power supply and ground pins.
The MCU operates from a single power supply.
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.
For details refer to the 68HC908EY16 datasheet.
TEST MODE PIN (TESTMODE)
This pin is for test purpose only. In the application this pin
has to be forced to GND.
For Programming/Test this pin has to be forced to VDD to
bring the analog die into Test mode. In Test mode the Reset
Timeout (80ms) is disabled and the LIN receiver is disabled
NOTE: After detecting a RESET (internal or external), the
PSON bit needs to be set within 80ms. If not, the device will
automatically enter sleep mode.
MCU TEST PIN (FLSVPP)
This pin is for test purposes only. This pin should either be
left open (not connected) or can be connected to GND.
NO CONNECT PINS (NC)
The NC pins are not connected internally.
Note: Each of the NC pins can be left open or connected
to ground (recommended).
EXPOSED PAD PIN
The exposed pad pin on the bottom side of the package
conducts heat from the chip to the PCB board. For thermal
performance, the pad must be soldered to the PCB board. It
is recommended that the pad be connected to the ground
potential.
4,7F
0,1F
VDDA/VREFH
EVDD
EVSS
VSSA/VREFL
VDD
VSS
C
Analog
Die
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MM908E621ACPEK | 功能描述:8位微控制器 -MCU QUAD H-B/3-HS W/MCU & LI 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 |
| MM908E621ACPEKR2 | 功能描述:8位微控制器 -MCU QUAD HB AND TRIPLE HS 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 |
| MM908E622 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror |
| MM908E622_08 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-bridge, Triple High Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror |
| MM908E622ACDR2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror |
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