Lattice Semiconductor MachXO3-940 User Manual

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Lattice Semiconductor MachXO3-940 User Manual Manual pdf 16 page image

MachXO3-9400 Development BoardEvaluation Board User Guide© 2017 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal.All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.16 FPGA-EB-02004-1.0Table 5.2. Versa X3 Header Pin Connections (continued)X3 Pin Number Signal Name MachXO3 Ball Location32 EXPCON_IO23 D1133 EXPCON_IO24 F1134 GND —35 EXPCON_IO25 D1236 EXPCON_IO26 F1237 EXPCON_IO27 D1338 CARDSEL#* —39 EXPCON_IO28 C1440 GND —Notes:* Signal is optionally connected to power source through resistor; DNI.** Signal is optionally connected to power source through resistor; DN.5.2. Arduino Board GPIO HeadersThe board provides four headers – J2, J3, J4 and J5 for Arduino Zero board adaption.Table 5.3. Arduino J2 Pin ConnectionsJ2 PinNumberSignal Name Arduino ZERO BoardSignalMachXO3 BallLocationComments1 AR_IO8 ~8 U21 —2 AR_IO9 ~9 U22 —3 AR_SS_IO10 ~10 W20 Optional connection to SS through R67 for SPI access,DNI by default.4 AR_MOSI_IO11~11 V18 Optional connection to SISPI through R82 for SPIaccess, DNI by default.5 AR_MISO_IO12~12 G16 Optional connection to SPISO through R77 for SPIaccess, DNI by default.6 AR_SCK_IO13~13 F17 Optional connection to MCLK through R76 for SPIaccess, DNI by default.7 GND GND — —8 AR_AREF AREF U17 AR_AREF connection to AREF through R43, DNI bydefault.9 AR_SDA SDA U19 Optional connection to SDA0 through R44, DNI bydefault.10 AR_SCL SCL U18 Optional connection to SCL0 through R45, DNI bydefault.