The **LCMXO2-2000HC-4TG100I** is a non-volatile Field Programmable Gate Array (FPGA) from the **Lattice MachXO2** family. It is widely used in system-on-chip designs for glue logic, bridge functions, and basic control tasks due to its low power consumption and instant-on capability. --- ### 1. Part Number Breakdown Understanding the nomenclature helps identify the specific capabilities of this component: | Segment | Meaning | Detail | | :--- | :--- | :--- | | **LCMXO2** | Product Family | MachXO2 (Bridging & Expansion FPGA) | | **2000** | LUT Count | Approximately 2112 Look-Up Tables | | **HC** | Voltage/Power | High Performance / 2.5V or 3.3V VCC | | **4** | Speed Grade | Standard Speed (higher numbers are faster) | | **TG100** | Package Type | 100-pin TQFP (Thin Quad Flat Pack) | | **I** | Temp Grade | Industrial Grade (-40°C to +100°C) | --- ### 2. Key Technical Specifications The device balances logic density with integrated hard IP (Intellectual Property) to reduce external component counts. * **Logic Cells:** 2112 LUTs (Look-Up Tables). * **User I/O:** 79 programmable I/O pins. * **Embedded Memory:** 74 kbits of sysMEM Embedded Block RAM (EBR). * **User Flash Memory:** 64 kbits of non-volatile User Flash Memory (UFM) for data storage. * **Integrated Hard IP:** * One I2C hard core. * One SPI hard core. * One Timer/Counter. * **Clock Management:** 1 on-chip Phase-Locked Loop (PLL). --- ### 3. Functional Features The LCMXO2-2000HC is distinguished by several architectural advantages: #### Non-Volatile "Instant-On" Unlike SRAM-based FPGAs that require an external SPI Flash to load their configuration on power-up, this chip has **on-chip Flash**. This allows the device to become active in milliseconds and eliminates the need for an external configuration PROM. #### Low Power Consumption The "HC" series is designed for power efficiency, supporting "Sleep Mode" to extend battery life in portable applications while maintaining the internal state. #### Flexible I/O The I/O pins support various standards (LVCMOS, LVTTL, LVDS, etc.) and feature programmable drive strength, slew rate control, and internal pull-up/pull-down resistors. --- ### 4. Common Applications Due to its small footprint and logic capacity, it is frequently found in: 1. **System Control:** Power sequencing, reset generation, and status monitoring. 2. **Interface Bridging:** Converting signals between different formats (e.g., I2C to SPI, or UART to parallel). 3. **I/O Expansion:** Adding more GPIOs to a microcontroller that has run out of pins. 4. **Display Drivers:** Driving simple character or segment LCDs.