User ManualTable of ContentsCustomer support7Chapter 1: About the Module9Features and functionality10Module variant10Module pinout10Pinout legend: Type11X1 pinout11X2 pinout15Configuration pins — CPU23Default module CPU configuration23Configuration pins — Module24Identification of the module24Module pin configuration24Clock generation25Clock frequencies25Changing the CPU speed26Boot process26Chip selects27Chip select memory map27SDRAM banks27Multiplexed GPIO pins27GPIO multiplex table28External interrupts32Interfaces3310/100 Mbps Ethernet port33UART33SPI33I2C bus34RTC34Power34Power supply34Internal voltage34What’s on the development board?35The development board37User interface38Switches and pushbuttons39Reset control, S339Power switch, S239User pushbuttons, S6 and S740Legend for multi-pin switches40Module configuration switches, S440Wake-up button, S840Serial Port B MEI configuration switches, S141Jumpers42Jumper functions43Battery and Battery Holder43LEDs44WLAN LED LE744Power LEDs, LE3 and LE444User LEDs, LE5 and LE644Serial status LEDs45Status LEDs Serial Port D LEDs45Status LEDs Serial Port B LEDs45Serial UART ports46Serial port D, RS23246Serial port A TTL interface47Serial port C TTL interface48Serial port B, MEI interface49I2C interface50I2C header50I2C digital I/O expansion50SPI interface52Pin allocation53Current Measurement Option54How the CMO works55JTAG interface55Standard JTAG ARM connector, X1356PoE module connectors - IEEE802.3af56The PoE module57X958X2658POE_GND58Power Jack, X2458Ethernet interface58RJ-45 pin allocation, X1959LEDs60Peripheral (expansion) headers60Peripheral application header, X3361Module and test connectors62Module connectors62Test connectors62X10 pinout63X11 pinout63X20 pinout64X21 pinout65Appendix A:Specifications67Environmental specifications67Mechanical specifications67Safety statements67Power requirements68Typical module current / power measurements69Module, top view70Module, side view70Layout recommendation71Reset and edge sensitive input timing requirements73Appendix B:Certifications75FCC Part 15 Class B75Size: 943 KBPages: 80Language: EnglishOpen manual