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2.6 Other documents
For further detailed information please refer to the application note 32bit-EMC-Guideline or
MCU device specific EMI Report.
2.7 MCU Pin Summary
The following table shows the EMC critical pins and gives short information about how to
connect them.
Pin name
Function
VDD5
Main supply for IO buffer, crystal oscillator
VDD35
Main supply for external Bus buffer at 5V or 3.3V level
Main supply for the internal 1.8V regulator. Note, this pin shows the noise
VDD5R
of the internal core supply.
Main supply for IO buffer and MCU core, close to the internal 1.8V
VSS5
regulator, close to crystal oscillator
External smooth capacitor for internal 1.8V regulator output, it is used for
VCC18C
supply of the MCU core. Note, this pin leads the most of noise
AVCC*
Power supply for the A/D converter
AVSS*
Power supply for the A/D converter
AVRH*
Reference voltage input for the A/D converter
AVRL*
HVDD5*,
Power supply for the SMC (high current) outputs, it is not connected to
HVSS5*
VDD, should be connected to extra power supply
© Fujitsu Microelectronics Europe GmbH
FR460 Hardware Set Up
Chapter 2 Layout and Electromagnetic Compatibility
- 13 -
MCU-AN-300033-E-V13
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