emPC-CX+ (System Reference Manual) Contents i
Rev. 1.2 © Janz Tec AG
Contents
1 Introduction 7
1.1 Features...............................................................................................................................7
1.2 Functional Overview ............................................................................................................8
1.3 Front Connectors .................................................................................................................9
1.4 Personality Board...............................................................................................................10
2 Safety Instructions 11
2.1 Installation and Maintenance.............................................................................................11
2.2 Installation and Maintenance.............................................................................................11
2.3 Ambient and Environmental Conditions.............................................................................11
1 Hardware details 12
1.1 PCI Express.......................................................................................................................12
1.1.1 PCI Express mini card ..................................................................................................12
1.2 Video Output......................................................................................................................12
1.3 Ethernet..............................................................................................................................13
1.3.1 Ethernet 1 .....................................................................................................................13
1.3.2 Ethernet 2 .....................................................................................................................13
1.4 USB....................................................................................................................................13
1.4.1 Front Panel USB...........................................................................................................13
1.4.2 Internal USB..................................................................................................................13
1.5 SATA..................................................................................................................................13
1.6 LVDS..................................................................................................................................14
1.7 Display Touch- and Power-Connector...............................................................................15
2 FPGA expansion subsystem 16
2.1 Control Registers ...............................................................................................................17
2.1.1 Feature detection..........................................................................................................17
2.1.2 Interrupt programming ..................................................................................................17
2.1.3 Function Reset..............................................................................................................18
2.1.4 Internal I2C bus .............................................................................................................18
2.2 CAN Interface.....................................................................................................................19
2.2.1 CAN address space......................................................................................................19
2.2.2 CAN termination and LEDs...........................................................................................19
2.3 Serial Port Interface ...........................................................................................................20
2.3.1 Serial Port address space.............................................................................................20
2.4 NVRAM..............................................................................................................................21
2.5 Digital IO ............................................................................................................................22
2.6 FPGA Reprogramming ......................................................................................................23
3 System Control 24
3.1.1 I2C Address..................................................................................................................26
3.1.2 I2C Registers................................................................................................................26
3.1.3 Command Codes..........................................................................................................31
3.2 FAN Controller ...................................................................................................................32
3.2.1 I2C Communication ......................................................................................................32
3.2.2 I2C Address..................................................................................................................33
3.2.3 Registers.......................................................................................................................33
3.2.4 Command Codes..........................................................................................................36
3.2.5 Configuration.................................................................................................................37
4 Appendices 38
4.1 References.........................................................................................................................38
