MB90337PMC 查看數據表（PDF） - Fujitsu

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MB90337PMC

16-bit Microcontroller

Fujitsu 

MB90335 Series

7. Stabilization of supply voltage

A sudden change in the supply voltage may cause the device to malfunction even within the VCC supply voltage

operating range. For stabilization reference, the supply voltage should be stabilized so that VCC ripple variations

(peak-to-peak value) at commercial frequencies (50 MHz to 60 MHz) fall below 10% of the standard VCC supply

voltage and the transient regulation does not exceed 0.1 V/ms at temporary changes such as power supply

switching.

8. Writing to flash memory

For serial writing to flash memory, always make sure that the operating voltage VCC is between 3.13 V and 3.6 V.

For normal writing to flash memory, always make sure that the operating voltage VCC is between 3.0 V and 3.6 V.

9. Serial communication

There is a possibility to receive wrong data due to noise or other causes on the serial communication. Therefore,

design a printed circuit board so as to avoid noise.

Consider receiving of wrong data when designing the system. For example, apply a checksum to detect an error.

If an error is detected, retransmit the data.

DS07-13735-6E

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