• High-Efficiency 32-Bit CPU (TMS320C28x)
  • 90 MHz (11.11-ns Cycle Time)
  • 16 x 16 and 32 x 32 Multiply and Accumulate (MAC) Operations
  • 16 x 16 Dual MAC
  • Harvard Bus Architecture
  • Atomic Operations
  • Fast Interrupt Response and Processing
  • Unified Memory Programming Model
  • Code-Efficient (in C/C++ and Assembly)
• Floating-Point Unit (FPU)
  • Native Single-Precision Floating-Point Operations
• Programmable Control Law Accelerator (CLA)
  • 32-Bit Floating-Point Math Accelerator
  • Executes Code Independently of the Main CPU
• Viterbi, Complex Math, CRC Unit (VCU)
  • Extends C28x Instruction Set to Support Complex Multiply, Viterbi Operations, and Cyclic Redundency Check (CRC)
• Embedded Memory
  • Up to 256KB of Flash
  • Up to 100KB of RAM
  • 2KB of One-Time Programmable (OTP) ROM
• 6-Channel Direct Memory Access (DMA)
• Low Device and System Cost
  • Single 3.3-V Supply
  • No Power Sequencing Requirement
  • Integrated Power-on Reset and Brown-out Reset
  • Low-Power Operating Modes
  • No Analog Support Pin
• Endianness: Little Endian
• JTAG Boundary Scan Support
  • IEEE Standard 1149.1-1990 Standard Test Access Port and Boundary Scan Architecture
• Clocking
  • Two Internal Zero-Pin Oscillators
  • On-Chip Crystal Oscillator/External Clock Input
  • Watchdog Timer Module
  • Missing Clock Detection Circuitry
• Peripheral Interrupt Expansion (PIE) Block That Supports All Peripheral Interrupts
• Three 32-Bit CPU Timers
• Advanced Control Peripherals
• Up to 8 Enhanced Pulse-Width Modulator (ePWM) Modules
  • 16 PWM Channels Total (8 HRPWM-Capable)
  • Independent 16-Bit Timer in Each Module
• Three Input Enhanced Capture (eCAP) Modules
• Up to 4 High-Resolution Capture (HRCAP) Modules
• Up to 2 Enhanced Quadrature Encoder Pulse (eQEP) Modules
• 12-Bit Analog-to-Digital Converter (ADC), Dual Sample-and-Hold (S/H)
  • Up to 3.46MSPS
  • Up to 16 Channels
• On-Chip Temperature Sensor
• 128-Bit Security Key and Lock
  • Protects Secure Memory Blocks
  • Prevents Reverse-Engineering of Firmware
• Serial Port Peripherals
  • Two Serial Communications Interface (SCI) [UART] Modules
  • Two Serial Peripheral Interface (SPI) Modules
  • One Inter-Integrated-Circuit (I2C) Bus
  • One Multichannel Buffered Serial Port (McBSP) Bus
  • One Enhanced Controller Area Network (eCAN)
  • Universal Serial Bus (USB) 2.0 (see Device Comparison Table for Availability)
    • Full-Speed Device Mode
    • Full-Speed or Low-Speed Host Mode
• Up to 54 Individually Programmable, Multiplexed General-Purpose Input/Output (GPIO) Pins With Input Filtering
• Advanced Emulation Features
  • Analysis and Breakpoint Functions
  • Real-Time Debug via Hardware
• 2806x Packages
  • 80-Pin PFP and 100-Pin PZP PowerPAD™ Thermally Enhanced Thin Quad Flatpacks (HTQFPs)
  • 80-Pin PN and 100-Pin PZ Low-Profile Quad Flatpacks (LQFPs)

• Switch Mode Power Supplies (SMPSs)
• Solar Micro Inverters and Converters
• Power Factor Correction
• Smart Grid and Power Line Communications
• AC/DC Inverters

The F2806x Piccolo™ family of microcontrollers (MCUs) provides the power of the C28x core and CLA coupled with highly integrated control peripherals in low pin-count devices. This family is code-compatible with previous C28x-based code, and also provides a high level of analog integration.

An internal voltage regulator allows for single-rail operation. Enhancements have been made to the High-Resolution Pulse Width Modulator (HRPWM) module to allow for dual-edge control (frequency modulation). Analog comparators with internal 10-bit references have been added and can be routed directly to control the ePWM outputs. The ADC converts from 0 to 3.3-V fixed full-scale range and supports ratio-metric VREFHI/VREFLO references. The ADC interface has been optimized for low overhead and latency.