The part number "XC6SLX25T-2FGG484C" belongs to Xilinx, which is a leading company in programmable logic devices, specifically in field-programmable gate arrays ( FPGA s). This part is part of the Spartan-6 family of FPGAs, which are known for being cost-effective while still offering a range of capabilities for a variety of applications.
The model "XC6SLX25T-2FGG484C" has the following characteristics:
Device Family: Spartan-6 Package: 484-pin Fine Pitch Ball Grid Array (FBGA) Speed Grade: -2 (This indicates the speed grade for the device, with lower numbers typically indicating higher speeds.) Temperature Grade: T (Extended temperature range)Pinout and Detailed Pin Function Specifications:
The XC6SLX25T-2FGG484C comes in a 484-pin FBGA package, and each pin in the device serves a specific purpose. Here's a breakdown of some key pin categories:
1. Power and Ground Pins:These are responsible for providing the necessary voltage levels to the FPGA and ground reference.
VCCINT: Core power supply pin. VCCO: Output power supply for I/O buffers. GND: Ground pin. 2. Configuration Pins:Used to configure the FPGA from an external source (e.g., Flash Memory or other devices).
M0, M1, M2: Mode selection pins for determining the configuration mode (serial, parallel, etc.). CASCOUT: Cascade output for configuring multiple devices in series. 3. I/O Pins:These pins can be used for a variety of purposes, including digital signals, Clock s, etc.
IO: General-purpose I/O pins that can be configured as inputs, outputs, or bidirectional. TDI, TDO, TMS, TCK: Test access port (JTAG) for boundary scan and debugging. 4. Clock Pins:These are used for clock signals within the FPGA.
CLK0, CLK1: Clock input pins for the device. 5. Differential Pins:For high-speed signals that require differential transmission (e.g., for DDR memory).
LVDS: Low-voltage differential signaling pins. 6. Dedicated Logic Pins:These pins are typically used for internal logic functions.
DRAM: Memory interface signals. DOUT/DIN: Data input/output signals. 7. Reset Pins:Used to reset the FPGA to a known state.
RESET: Reset pin to initialize the FPGA at startup. 8. User I/O and Control Pins:These are used for additional custom I/O or control signals.
USER0, USER1, etc.: User-defined I/O pins for custom functionality.Detailed Pinout:
The full pinout of the XC6SLX25T-2FGG484C would typically require referencing the Xilinx Spartan-6 datasheet for precise pin assignments, but here's a general layout structure that includes the most commonly used types of pins:
Pin Name Pin Type Function VCCINT Power Core power supply GND Ground Ground connection M0, M1, M2 Configuration Mode select pins for configuration CASCOUT Configuration Cascade output for configuration IO[0:31] I/O General-purpose I/O pins (input, output, bidir.) CLK0 Clock Clock input TDI, TDO, TMS, TCK JTAG Test access pins for boundary scan/debugging RESET Reset FPGA reset pin LVDS Differential Differential I/O for high-speed signals DRAM[0:15] Memory Interface Memory data bus pins (DDR)FAQ on XC6SLX25T-2FGG484C Pin Functions:
Q: What is the purpose of the M0, M1, M2 pins on the XC6SLX25T-2FGG484C? A: The M0, M1, and M2 pins are used to select the configuration mode for the FPGA, such as serial or parallel configuration.
Q: How do I power the XC6SLX25T-2FGG484C? A: You need to provide the core power (VCCINT) and the I/O power (VCCO) to the device, along with a ground connection (GND).
Q: What is the function of the CASCOUT pin on the XC6SLX25T-2FGG484C? A: The CASCOUT pin is used for cascading multiple FPGAs in a configuration chain.
Q: Can the I/O pins on the XC6SLX25T-2FGG484C be configured as both inputs and outputs? A: Yes, the I/O pins are programmable and can be configured as inputs, outputs, or bidirectional.
Q: How do I reset the XC6SLX25T-2FGG484C FPGA? A: You can reset the FPGA by applying a signal to the RESET pin.
Q: What kind of memory interface does the XC6SLX25T-2FGG484C support? A: The XC6SLX25T-2FGG484C supports DDR memory interfaces through dedicated memory pins.
Q: What is the function of the LVDS pins on the XC6SLX25T-2FGG484C? A: The LVDS pins are used for high-speed differential signaling, typically for memory or high-frequency data transmission.
Q: How do I debug the XC6SLX25T-2FGG484C FPGA? A: The JTAG pins (TDI, TDO, TMS, TCK) can be used for debugging and boundary scan operations.
Q: How many total pins does the XC6SLX25T-2FGG484C have? A: The XC6SLX25T-2FGG484C has 484 pins in its FBGA package.
Q: Can I use the IO pins for high-speed clocking in the XC6SLX25T-2FGG484C? A: Yes, the IO pins can be used for high-speed clocking, depending on the configuration.
Q: What is the maximum frequency supported by the XC6SLX25T-2FGG484C for its clock input? A: The maximum frequency depends on the specific configuration and usage, but the device is capable of high-speed operation.
Q: How is the FPGA configured from external memory? A: The FPGA is configured through serial or parallel mode, typically using a configuration memory like a flash chip connected to the configuration pins.
Q: What is the role of the GND pins in the XC6SLX25T-2FGG484C? A: The GND pins are used for grounding the device and providing a reference voltage level.
Q: Can the I/O pins handle both TTL and CMOS logic levels? A: Yes, the I/O pins are flexible and can handle TTL, CMOS, and other logic standards.
Q: Are there any pins dedicated to power management in the XC6SLX25T-2FGG484C? A: Yes, VCCINT and VCCO are dedicated power supply pins for core and I/O power, respectively.
Q: What does the RESET pin do in the XC6SLX25T-2FGG484C? A: The RESET pin is used to reset the FPGA to its initial state during startup or in case of errors.
Q: How do I set up the clock inputs for the XC6SLX25T-2FGG484C? A: You can configure the clock inputs through the CLK0 and CLK1 pins for different clock sources.
Q: Is there a way to interface with external peripherals using the XC6SLX25T-2FGG484C? A: Yes, you can use the I/O pins to interface with external peripherals such as sensors, displays, and communication devices.
Q: Can I cascade multiple FPGAs using the XC6SLX25T-2FGG484C? A: Yes, the CASCOUT pin supports cascading multiple devices for large applications.
Q: What types of signal standards are supported by the IO pins on the XC6SLX25T-2FGG484C? A: The I/O pins support various standards, including LVCMOS, LVTTL, and differential signaling like LVDS.
If you need further detailed information or an exhaustive table of all 484 pins, I would recommend looking into the detailed Xilinx Spartan-6 datasheet for the specific pinout of the XC6SLX25T-2FGG484C device.