Cyclone V SoC FPGA Development Board Reference Manual - Altera

Chapter 2: Board Components 2–7MAX V CPLD 5M2210 System ControllerTable 2–4 lists the I/O signals present on the MAX V CPLD System Controller. Thesignal names and functions are relative to the MAX V device.Table 2–4. MAX V CPLD System Controller Device Pin-Out (Part 1 of 4)BoardReference (U19)Schematic Signal Name I/O Standard DescriptionB9 CLK125A_EN 2.5-V 125 MHz oscillator enableE9 CLK50_EN 2.5-V 50 MHz oscillator enableJ5 CLK_100M_MAX 2.5-V 100 MHz clock inputJ12 CLK_50M_MAX 1.8-V 50 MHz clock inputA13 CLK_SEL 2.5-V DIP switch for clock select—SMA or oscillatorD10 CPU_RESETN 2.5-V FPGA reset push buttonT13 EXTRA_SIG1 1.8-V Embedded USB-Blaster II interface. Reserved for future useT15 EXTRA_SIG2 1.8-V Embedded USB-Blaster II interface. Reserved for future useA2 FACTORY_LOAD 2.5-V DIP switch to load factory or user design at power-upR14 FACTORY_REQUEST 1.8-VEmbedded USB-Blaster II request to send FACTORYcommandN12 FACTORY_STATUS 1.8-V Embedded USB-Blaster II FACTORY command statusF11 FLASH_ADVN 1.8-V FSM bus flash memory address validN14 FLASH_CEN0 1.8-V FSM bus flash memory chip enableD14 FLASH_CLK 1.8-V FSM bus flash memory clockP15 FLASH_OEN 1.8-V FSM bus flash memory output enableP14 FLASH_RDYBSYN 1.8-V FSM bus flash memory readyD13 FLASH_RESETN 1.8-V FSM bus flash memory resetN15 FLASH_WEN 1.8-V FSM bus flash memory write enableE14 FM_A0 1.8-V FM address busC14 FM_A1 1.8-V FM address busC15 FM_A2 1.8-V FM address busE13 FM_A3 1.8-V FM address busE12 FM_A4 1.8-V FM address busD15 FM_A5 1.8-V FM address busF14 FM_A6 1.8-V FM address busD16 FM_A7 1.8-V FM address busF13 FM_A8 1.8-V FM address busE15 FM_A9 1.8-V FM address busE16 FM_A10 1.8-V FM address busF15 FM_A11 1.8-V FM address busG14 FM_A12 1.8-V FM address busF16 FM_A13 1.8-V FM address busG13 FM_A14 1.8-V FM address busG15 FM_A15 1.8-V FM address busG12 FM_A16 1.8-V FM address busG16 FM_A17 1.8-V FM address busNovember 2013 Altera Corporation Cyclone V SoC Development BoardReference Manual