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• AN706-00042-1v0-E 32-BIT MICROCONTROLLER MB9B100A/MB9B300A/MB9B400A/MB9B500A Series FM3 family inverter reference board User Manual ARM and Cortex-M3 are the trademarks of ARM Limited in the EU and other countries. • (2) for use requiring extremely high reliability (i.e., submersible repeater and artificial satellite).

Please note that Fujitsu will not be liable against you and/or any third party for any claims or damages arising in connection with above-mentioned uses of the products. • AN706-00042-1v0-E Revision History Date Remark Jul. 13, 2011 First Edition. • AN706-00042-1v0-E Table of Contents Revision History..2 Table of Contents..3 Introduction..6 Overview.. 6 Features..

7 Getting Start..9 System Components..9 Connectors of System.10 2.2.1 Connectors on Power Board. 10 2.2.2 Connectors on DC-Link Board.

12 2.2.3 Connectors on Inverter Board. • AN706-00042-1v0-E 4.6.2 Isolated UART..27 Serial Programming Port.28 Appendix..29 Schematic..29 5.1.1 Power Board..29 5.1.2 Inverter Board..30 5.1.3 DC-Link Board..34. • The hardware circuits of this reference board also are provided. The document is organized as follows:  Chapter 1.

“Introduction” – This chapter introduces the Inverter Reference Board with Fujitsu’s FM3 family and provides a brief overview of its features. “Getting Start”. • Introduction of the reference board Overview The Inverter Reference Board with Fujitsu’s FM3 family is intended to aid the user in the rapid evaluation and development of motor control applications using MB9B500 Series MCU which are embedded with ARM Cotex-M3 CPU core. This reference board is targeted to control Permanent Magnet Synchronous Motors in sensor-less operation.

• AN706-00042-1v0-E AC Main Supply PFC Output DC Bus Figure 1-1: System Block Diagram Features This reference board is consisted with three parts named as power board, DC-Link board and inverter board. The key features of the reference board are listed as below: Power board: . • AN706-00042-1v0-E  DC bus sensing.

 DC Over-voltage protection.  Current Feedback circuitry.  Over-current protection.  Zero-crossing detection. Inverter stage of Inverter board:  Three-phase inverter bridge with a power rating of 400V/10A  Phase current sense resistor for dual shunt vector control . • AN706-00042-1v0-E Getting Start Getting start with the hardware, firmware and software System Components This reference system is made up with three daughter board. They are:  Power Board This board contains the EMI filter stage and an AC-to-DC module.

The AC-to-DC module can output a stabled 15V (15W) power line. • AN706-00042-1v0-E Figure 2-1: Connection of the Boards Connectors of System 2.2.1 Connectors on Power Board The connectors on power board are shown in Figure2-2. • AN706-00042-1v0-E Figure 2- 2 Connectors on Power Board Table 2-1 collects the definition of the connectors on power board. Table 2- 1 Definition of Connectors on Power Board Number Port Designator Description N input of AC mains L input of AC mains Earth Ground L output of filtered AC mains N output of filtered AC mains. • AN706-00042-1v0-E 2.2.2 Connectors on DC-Link Board The connectors on DC-Link are shown in Figure2-3. Figure 2- 3 Connectors on DC-Link Board Table 2-2 collects the definition of the connectors on DC-Link board.