Piccolo Microcontroller

The TMS320F2807x microcontroller platform is part of the Piccolo family and is suited for digital control-based applications, including frequency inverters, telecom rectifiers, server power, renewable energy, automotive power, and more.

The F2807x is a 32-bit floating-point microcontroller based on TI’s industry-leading C28x core. This core is boosted by the trigonometric hardware accelerator which improves performance of trigonometric-based algorithms with CPU instructions such as sine, cosine, and arctangent functions, which are common in torque-loop and position calculations. The F2807x devices also feature the real-time, programmable Control Law Accelerator (CLA) which allows the off-loading of time-critical control loop functions, thereby increasing the bandwidth of the main C28x CPU to focus on other system tasks, such as communications and system diagnostics. With both the C28x CPU and the CLA, designers can realize up to 240 MIPS of total system performance.

The F2807x device supports up to 512KB of ECC-protected onboard flash memory and up to 100KB of SRAM with parity. Two independent security zones are also available for 128-bit code protection of the main C28x.

The analog subsystem boasts up to three 12-bit Analog-to-Digital Converters (ADCs), which enable simultaneous management of three independent power phases, and up to eight windowed comparator subsystems (CMPSSs), allowing very fast, direct trip of the PWMs in overvoltage or overcurrent conditions. In addition, the device has three 12-bit digital-to-analog converters (DACs), and precision control peripherals such as enhanced pulse width modulators (ePWMs) with fault protection, eQEP peripherals, and eCAP units.

Connectivity peripherals such as dual ISO11898-1 (CAN 2.0B) interfaces and a USB 2.0 port with MAC and full-speed PHY let users add universal serial bus (USB) connectivity to their application.

Features

  • TMS320C28x 32-Bit CPU
    • 120 MHz
    • IEEE 754 Single-Precision Floating-Point
    • Trigonometric Math Unit (TMU)
  • Programmable Control Law Accelerator
    [28075 Only]
  • 120 MHz
  • IEEE 754 Single-Precision Floating-Point Executes Code Independently of Main CPU
  • 512KB of Flash (ECC-Protected)
  • 100KB of RAM (ECC or Parity)
  • Dual-Zone Security Supporting Third-Party Development
  • Two Internal Zero-Pin 10-MHz Oscillators
  • On-Chip Crystal Oscillator and External Clock Input
  • Windowed Watchdog Timer Module
  • Missing Clock Detection Circuitry
  • On-Chip Memory
  • External Memory Interface (EMIF) With ASRAM and SDRAM Support
  • 6-Channel Direct Memory Access (DMA) Controller
  • Up to 97 Individually Programmable, Multiplexed General-Purpose Input/Output (GPIO) Pins With Input Filtering
  • HW Interrupt Controller
  • Multiple Low-Power Mode Support With External Wakeup
  • JTAG Emulation Connection
  • USB 2.0 + PHY Port
  • Two CAN-Bus Ports (Pin-Bootable)
  • Three High-Speed (40-MHz) SPI Ports
    (Pin-Bootable)
  • Two Multichannel Buffered Serial Ports
  • Up to Four Serial Communications Interfaces (SCIs) (Pin-Bootable)
  • Two I2C Interfaces (Pin-Bootable)
  • Up to Three Analog-to-Digital Converters
    • 12-Bit Mode
      • 3.1 MSPS Each (up to 9.3-MSPS System)
      • Single-Ended
      • Up to 17 External Channels
    • Single Sample-and-Hold (S/H) on Each ADC
    • HW Integrated Post-Processing of ADC Conversions
    • Saturating Offset Calibration
    • Error From Setpoint Calculation
    • High, Low, and Zero-Crossing Compare, With Interrupt Capability
    • Trigger-to-Sample Delay Capture
    • Up to 24 PWM Channels With Enhanced Features
    • Up to 16 High-Resolution Pulse Width Modulator (HRPWM) Channels
      • High Resolution on Both A and B Channels of 8 PWM Modules
      • Dead-Band Support (on Both Standard and High Resolution)
    • Six Enhanced Capture (eCAP) Modules
    • Up to Three Enhanced Quadrature Encoder Pulse (eQEP) Modules
    • Up to 8 Sigma-Delta Filter Module (SDFM) Input Channels, 2 Parallel Filters per Channel
    • Standard SDFM Data Filtering
    • Comparator Filter for Fast Action for Out of Range
    • Eight Windowed Comparators With 12-Bit DAC References
    • Three 12-Bit Buffered DAC Outputs
    •  
    • Enhanced Control Peripherals
  • 176-Pin PowerPAD Thermally Enhanced Low-Profile Quad Flatpack (HLQFP)
    [PTP Suffix]
  • 100-Pin PowerPAD Thermally Enhanced Thin Quad Flatpack (HTQFP) [PZP Suffix]
  • T: –40ºC to 105ºC Junction
  • S: –40ºC to 125ºC Junction
  • Q: –40ºC to 125ºC Free-Air
    (Q100 Qualification for Automotive Applications)
  • Clock and System Control
  • 1.2-V Core, 3.3-V I/O Design
  • System Peripherals
  • Communications Peripherals
  • Analog Subsystem