The part you referred to, "XC7A50T-2FGG484I," is a model of an FPGA (Field-Programmable Gate Array) produced by Xilinx, a leading semiconductor company known for its programmable logic devices. Specifically, the "XC7A50T" is part of Xilinx's Artix-7 series, which provides a balance of performance and Power efficiency for a variety of applications.
The model "XC7A50T-2FGG484I" comes in the 484-pin Fine Pitch Ball Grid Array (FBGA) package. To provide you with a detailed explanation, including the pin functions and the circuit principles, as well as the FAQ and pinout for all 484 pins, here is an outline of the kind of content you're asking for:
1. Pinout and Pin Functions for "XC7A50T-2FGG484I" (484-Pin FBGA)
This device is packaged in a 484-ball grid array (BGA) form, with each pin in the array performing specific functions. The exact functions of all pins can include general-purpose I/O, power, ground, and dedicated pins for specific protocols like serial communication, Clock inputs, and configuration signals.
Package Details: Device Type: FPGA Package Type: Fine Pitch Ball Grid Array (FBGA) Ball Count: 484 pins Package Dimensions: Typically, dimensions for a 484-pin FBGA are about 24mm x 24mm.Below is an abbreviated sample for the type of information you'd expect in a detailed pinout:
Pin Number Ball Name Pin Type Pin Function Description 1 A1 Power VCC (Power) 2 A2 Ground GND (Ground) 3 B1 I/O General-purpose I/O pin (I/O Standard: LVCMOS) 4 B2 Clock Input Clock input pin (Dedicated for global clocking) 5 C1 I/O General-purpose I/O pin (I/O Standard: LVTTL) … … … … 484 A484 Ground GND (Ground)2. Pin Function FAQ (20 Common Questions)
Here are some example questions and answers regarding the pin functions of the XC7A50T-2FGG484I.
1. What type of package does the XC7A50T-2FGG484I have? Answer: The XC7A50T-2FGG484I is packaged in a 484-ball Fine Pitch Ball Grid Array (FBGA). 2. How many pins does the XC7A50T-2FGG484I have? Answer: The XC7A50T-2FGG484I has a total of 484 pins. 3. How are the pins organized in the package? Answer: The 484 pins are arranged in a grid array with rows and columns, each denoted by a letter-number system for easy identification. 4. What are the primary functions of the pins in this FPGA? Answer: The pins on the XC7A50T-2FGG484I are primarily used for power (VCC, GND), general-purpose I/O, clock inputs, and configuration signals. 5. What is the maximum I/O voltage for the general-purpose I/O pins? Answer: The general-purpose I/O pins of the XC7A50T-2FGG484I support voltage standards such as LVCMOS and LVTTL with a maximum voltage typically ranging from 1.8V to 3.3V, depending on the specific configuration. 6. What is the configuration pin function of the FPGA? Answer: The configuration pins are used to load the FPGA with configuration data during power-up, often through protocols like JTAG or SPI. 7. How many power and ground pins are there? Answer: The XC7A50T-2FGG484I has multiple power (VCC) and ground (GND) pins distributed across the package to ensure proper distribution of power across the device. 8. Can I use the FPGA’s pins for high-speed serial communication? Answer: Yes, certain pins in the XC7A50T-2FGG484I can be configured for high-speed serial communication protocols such as PCIe, SPI, and I2C. 9. What is the purpose of the clock input pins on this device? Answer: The clock input pins are used for global clock signals that synchronize the operation of the FPGA. 10. Are there any dedicated pins for reset functions? Answer: Yes, the FPGA includes dedicated reset pins for initializing the device. 11. Can I configure the I/O pins for different voltage levels? Answer: Yes, the I/O pins of the XC7A50T-2FGG484I can be configured for a variety of voltage levels (e.g., LVCMOS, LVTTL) depending on the application. 12. What are the termination requirements for the I/O pins? Answer: The I/O pins may require termination resistors to ensure signal integrity, depending on the signaling standard and speed used. 13. How do I configure the FPGA’s pins during startup? Answer: Pin configuration is typically done during the programming stage using Xilinx development tools, such as Vivado or ISE. 14. Are any pins reserved for internal purposes? Answer: Yes, some pins are reserved for internal connections, such as the internal configuration logic or power distribution. 15. Is there any software tool needed for programming the FPGA’s pins? Answer: Yes, to configure the pins and program the FPGA, Xilinx’s Vivado or ISE tools are used. 16. What is the maximum current allowed through each I/O pin? Answer: The maximum current per I/O pin is typically around 24mA, but this depends on the I/O standard and the specific FPGA configuration. 17. Can I use some of the pins as analog inputs? Answer: No, the XC7A50T-2FGG484I does not have dedicated analog input pins. It is a digital-only FPGA. 18. What are the voltage levels for the configuration pins? Answer: Configuration pins generally operate at 3.3V logic levels but may support lower voltages depending on the configuration interface . 19. How can I debug pin functionality? Answer: Pin functionality can be debugged using Xilinx’s JTAG tools and Vivado’s debug features, which allow for real-time monitoring of pin states. 20. What is the typical application of this FPGA in embedded systems? Answer: The XC7A50T-2FGG484I is used in embedded systems for tasks requiring high-performance computation, signal processing, and interfacing, such as in communications, industrial control, and automotive applications.This is an abbreviated view of the requested information. If you need further details such as the full list of pin functions (for all 484 pins), specific electrical characteristics, or any additional documentation, I would recommend checking the Xilinx datasheet for the XC7A50T series.