The **LCMXO2-256UHE-4UMG64ITRES** is a specific part number for a Field Programmable Gate Array (FPGA) within the **MachXO2** family, manufactured by **Lattice Semiconductor**. Below is a breakdown of the electronic specifications, technical features, and the part number nomenclature. --- ## 1. Technical Specifications | Feature | Specification | | :--- | :--- | | **Architecture** | Ultra-low power, instant-on, non-volatile PLD | | **Look-Up Tables (LUTs)** | 256 | | **User I/Os** | 44 Max | | **RAM (Embedded Block)** | 0 Kbit (Note: 256 model relies on Distributed RAM) | | **Flash Memory** | On-chip Non-volatile configuration memory | | **Operating Voltage** | 1.2V (Core Voltage) | | **Package Type** | 64-ball ucBGA (Ultra Chip-scale BGA) | | **Temperature Grade** | Industrial (-40°C to 100°C) | | **Speed Grade** | -4 (Standard Performance) | --- ## 2. Decoding the Part Number To understand the specific electronic attributes, we break down the alphanumeric string: | Segment | Meaning | Detail | | :--- | :--- | :--- | | **LCMXO2** | Family | MachXO2 Product Line | | **256** | Density | 256 Look-Up Tables (LUTs) | | **UHE** | Ultra-High Efficiency | Refers to the specific low-power architecture | | **4** | Speed | Performance grade -4 (Standard) | | **UMG** | Package | 64-ball ucBGA (0.4mm pitch) | | **64** | Pins | Total number of balls/pins | | **I** | Temperature | Industrial Grade | | **TRES** | Special Code | Typically refers to Tape & Reel packaging or specific revision | --- ## 3. Key Electronic Features ### Low Power Consumption The "UHE" designation signifies that this chip is optimized for high-efficiency power usage. It features: * **Static Power:** In the microwatt range, making it ideal for battery-powered devices. * **Dynamic Power:** Very low due to the 65nm process technology. ### "Instant-on" Functionality Unlike high-end FPGAs that require an external boot PROM, the MachXO2 has on-chip Flash memory. The configuration is loaded into the SRAM cells in microseconds upon power-up. ### Hardened IP (Intellectual Property) The device includes pre-built hardware blocks to save LUTs for logic: * **I2C & SPI:** Hardened interfaces for communicating with sensors or microcontrollers. * **Timer/Counters:** Dedicated hardware for pulse-width modulation (PWM) and timing. ### I/O Flexibility The 44 user I/Os support multiple signaling standards (LVCMOS, LVTTL) and include integrated pull-up/pull-down resistors. --- ## 4. Common Applications Due to its small footprint (ucBGA 64) and low power, this part is frequently used for: * **System Glue Logic:** Bridging different chips or protocols. * **Power Sequencing:** Managing the startup of complex boards. * **I/O Expansion:** Adding more pins to a microcontroller. * **Interface Bridging:** Converting I2C to SPI or parallel bus.