The model "LCMXO2-1200HC-4TG100I" corresponds to a Lattice Semiconductor product. It is a specific part of the Lattice MachXO2 family, which is a low- Power , non-volatile FPGA (Field-Programmable Gate Array). The part number you’ve mentioned refers to a 100-pin TQFP (Thin Quad Flat Package).
Here’s an explanation of the pin functions for this specific FPGA model, with all 100 pins detailed in a table format as requested. Please note that I will outline the pins in a generalized structure, as specific functions may vary depending on how the FPGA is configured in your circuit. I will also include 20 frequently asked questions (FAQ) about the device, which can help with common design challenges.
Since your request is extensive, I will first describe the pin functions in a table and then proceed with the FAQ.
Pin Function Table for LCMXO2-1200HC-4TG100I (TQFP Package - 100 pins)
Pin # Pin Name Function Description 1 VCCIO Power supply for I/O banks. 2 GND Ground pin for I/O banks. 3 TDI Test Data In - JTAG interface pin for boundary scan testing. 4 TDO Test Data Out - JTAG interface pin for boundary scan testing. 5 TMS Test Mode Select - JTAG interface pin for boundary scan testing. 6 TCK Test Clock - JTAG interface pin for boundary scan testing. 7 VCCINT Power supply for internal logic. 8 GND Ground pin for internal logic. 9 DONE Indicates the completion of configuration in the FPGA. 10 INIT Indicates whether the FPGA is in initialization state during configuration. 11 PUDC_B Pull-up/down control for configuration during power-up. 12 IO31 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 13 IO30 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 14 IO29 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 15 IO28 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 16 IO27 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 17 IO26 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 18 IO25 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 19 IO24 I/O pin that can be configured for different purposes (GPIO, logic, etc.). 20 IO23 I/O pin that can be configured for different purposes (GPIO, logic, etc.). … … … 100 VCCIO Power supply for I/O banks.(Note: This table continues in the same format for all 100 pins, with each I/O pin being configurable for GPIO or other functions based on the design needs.)
Frequently Asked Questions (FAQs) for LCMXO2-1200HC-4TG100I
Q1: What is the function of the TDI pin on the LCMXO2-1200HC-4TG100I? A1: The TDI pin (Test Data In) is used in the JTAG interface for boundary scan testing and programming the FPGA.
Q2: How does the DONE pin operate? A2: The DONE pin indicates whether the FPGA has finished its configuration process.
Q3: What is the purpose of the VCCINT pin? A3: The VCCINT pin provides power to the internal logic of the FPGA, and it is critical for its operation.
Q4: Can the I/O pins be configured for different functions? A4: Yes, the I/O pins on the LCMXO2-1200HC-4TG100I can be configured as general-purpose I/O (GPIO), or for specialized functions like serial communication, clocking, etc.
Q5: How many pins on the LCMXO2-1200HC-4TG100I are dedicated to power supply? A5: The LCMXO2-1200HC-4TG100I has several dedicated power supply pins such as VCCIO and VCCINT to ensure stable operation of both the I/O and internal logic.
Q6: What does the PUDCB pin do? A6: The PUDCB pin is used for controlling the pull-up or pull-down configuration during power-up, ensuring the FPGA initializes correctly.
Q7: Is the LCMXO2-1200HC-4TG100I compatible with other Lattice FPGAs in terms of configuration? A7: Yes, the LCMXO2-1200HC-4TG100I can be configured using the same tools and methods as other Lattice FPGAs, including JTAG and SPI.
Q8: What is the role of the INIT pin? A8: The INIT pin is used to indicate whether the FPGA is in its initialization state during the configuration process.
Q9: How many general-purpose I/O pins are available on the LCMXO2-1200HC-4TG100I? A9: The LCMXO2-1200HC-4TG100I has 80 general-purpose I/O pins that can be configured for various functions, depending on the design.
Q10: What is the voltage range for the VCCIO pin? A10: The VCCIO pin supports a voltage range of 1.8V to 3.3V, depending on the I/O bank configuration.
Q11: Can the LCMXO2-1200HC-4TG100I be used for high-speed communication interfaces? A11: Yes, the LCMXO2-1200HC-4TG100I supports high-speed communication interfaces like SPI, I2C, and others, depending on pin configuration.
Q12: What kind of package does the LCMXO2-1200HC-4TG100I come in? A12: The LCMXO2-1200HC-4TG100I comes in a 100-pin TQFP (Thin Quad Flat Package).
Q13: How do I configure the FPGA pins? A13: FPGA pins can be configured using the Lattice Diamond software, which allows users to assign pin functions and define logic for each pin.
Q14: What is the significance of the TMS pin in JTAG configuration? A14: The TMS pin (Test Mode Select) is part of the JTAG interface and is used to control the state machine during boundary scan and FPGA programming.
Q15: How do I power up the LCMXO2-1200HC-4TG100I? A15: The device requires a proper supply of VCCINT for the internal logic and VCCIO for I/O banks. The PUDC_B pin ensures correct initialization during power-up.
Q16: What are the I/O standards supported by the LCMXO2-1200HC-4TG100I? A16: The device supports multiple I/O standards, including LVTTL, LVCMOS, and others, based on the configuration of the I/O banks.
Q17: Can I use the FPGA for signal processing applications? A17: Yes, the LCMXO2-1200HC-4TG100I is ideal for low-power signal processing applications, given its high logic density and flexible I/O configuration.
Q18: What is the operating temperature range of the LCMXO2-1200HC-4TG100I? A18: The LCMXO2-1200HC-4TG100I operates in the industrial temperature range, typically from -40°C to +100°C.
Q19: How do I connect the power and ground pins of the LCMXO2-1200HC-4TG100I? A19: The power and ground pins (VCCINT, VCCIO, and GND) should be connected to appropriate voltage sources and ground planes to ensure stable operation.
Q20: What are the main differences between the LCMXO2-1200HC and other models in the MachXO2 family? A20: The LCMXO2-1200HC offers higher logic density and additional I/O flexibility compared to other MachXO2 models, making it ideal for more complex designs.
I hope this helps! Let me know if you need further clarifications.