This user-programmable and highly flexible general purpose PMC card allows the designer to configure the module to meet virtually any I/O need for almost every board's requirements. The GPIO-1 provides a high-performance 66 MHz PCI (1) (Payment Card Industry) See PCI DSS.
(2) (Peripheral Component Interconnect) The most widely used I/O bus (peripheral bus). interface with up to 256 MB of on-board, SDRAM (Synchronous DRAM) A type of dynamic RAM (DRAM) memory chip that has been widely used since the late 1990s. SDRAM chips eliminated wait states by dividing the chip into two cell blocks and interleaving data between them. memory and 64 bits of bi-directional I/O signals, with each signal presenting the option of driving or receiving TTL, CMOS (Complementary Metal Oxide Semiconductor) Pronounced "c-moss." The most widely used integrated circuit design. It is found in almost every electronic product from handheld devices to mainframes.
..... Click the link for more information., LVTTL LVTTL Low Voltage Transistor Transistor Logic (AMCC)
LVTTL Low Voltage Transistor to Transistor Logic , LVDS, GTL or HSTL levels. Additionally, this interface furnishes DMA and interrupt capabilities. The dedicated, user-programmable FPGA is a Xilinx Virtex SCV300 456-pin device that accommodates the design of custom digital interfaces for sending and receiving data through a front-panel connector or to the backplane through Pn4 routing.
