FR460 Hardware Set Up
Contents
MCU-AN-300033-E-V15
- 4 -
© Fujitsu Microelectronics Europe GmbH
Contents
REVISION HISTORY.............................................................................................................2
WARRANTY AND DISCLAIMER ..........................................................................................3
CONTENTS...........................................................................................................................4
0 INTRODUCTION ..............................................................................................................5
1 MINIMAL SYSTEM ...........................................................................................................6
1.1
Schematic................................................................................................................6
1.2
Serial Interface.........................................................................................................6
1.3
Power supply ...........................................................................................................7
1.4
Analog Digital Converter Supply Pins.......................................................................7
1.5
Analog Input Pins.....................................................................................................7
1.6
Reset Pin (INITX).....................................................................................................7
1.7
C Pin........................................................................................................................7
1.8
Clock Source ...........................................................................................................7
1.9
Mode Pins................................................................................................................7
1.10
Unused IO Pins........................................................................................................8
2 LAYOUT AND ELECTROMAGNETIC COMPATIBILITY .................................................9
2.1
General....................................................................................................................9
2.2
Power Line Routing..................................................................................................9
2.3
C Pin bypass capacitor ..........................................................................................10
2.4
Power Supply Decoupling ......................................................................................10
2.5
Quartz Crystal Placement and Signal Routing .......................................................12
2.6
Other documents ...................................................................................................13
2.7
MCU Pin Summary ................................................................................................13
3 PORT INPUT / UNUSED PINS / LATCH-UP ..................................................................15
3.1
Port Input / Unused Pins ........................................................................................15
3.2
Latch-up consideration (switch)..............................................................................16
4 MINIMUM FLASH PROGRAMMING CONNECTION......................................................20
4.1
Internal vector mode and Programming via BootROM ...........................................20
4.2
Programming Pins .................................................................................................20
4.3
Asynchronous Programming..................................................................................20
4.4
Synchronous Programming....................................................................................21
5 RESET BEHAVIOUR OF GPIO PORTS AND EXTERNAL BUS....................................22