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Texas Instruments

TMS320F28021PTT

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TMS320F28021PTT Overview

C2000? 32-bit microcontrollers are optimized for processing, sensing, and actuation to improve closed-loop performance in real-time control applications such as industrial motor drives; solar inverters and digital power; electrical vehicles and transportation; motor control; and sensing and signal processing. The C2000 line includes the Delfino? Premium Performance family and the Piccolo? Entry Performance family.

The F2802x Piccolo? family of microcontrollers provides the power of the C28x core 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 HRPWM 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 PWM 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.

To learn more about the C2000 MCUs, visit the C2000 Overview at www.ti.com/c2000.

ECAD Model

Symbol

TMS320F28021PTT

Footprint

TMS320F28021PTT

Features

  • High-Efficiency 32-Bit CPU (TMS320C28x)
    • 60 MHz (16.67-ns Cycle Time)
    • 50 MHz (20-ns Cycle Time)
    • 40 MHz (25-ns Cycle Time)
    • 16 × 16 and 32 × 32 MAC Operations
    • 16 × 16 Dual MAC
    • Harvard Bus Architecture
    • Atomic Operations
    • Fast Interrupt Response and Processing
    • Unified Memory Programming Model
    • Code-Efficient (in C/C++ and Assembly)
  • Endianness: Little Endian
  • Low Cost for Both Device and System:
    • Single 3.3-V Supply
    • No Power Sequencing Requirement
    • Integrated Power-on and Brown-out Resets
    • Small Packaging, as Low as 38-Pin Available
    • Low Power
    • No Analog Support Pins
  • Clocking:
    • Two Internal Zero-Pin Oscillators
    • On-Chip Crystal Oscillator and External Clock Input
    • Watchdog Timer Module
    • Missing Clock Detection Circuitry
  • Up to 22 Individually Programmable, Multiplexed GPIO Pins With Input Filtering
  • Peripheral Interrupt Expansion (PIE) Block That Supports All Peripheral Interrupts
  • Three 32-Bit CPU Timers
  • Independent 16-Bit Timer in Each Enhanced Pulse Width Modulator (ePWM)
  • On-Chip Memory
    • Flash, SARAM, OTP, Boot ROM Available
  • Code-Security Module
  • 128-Bit Security Key and Lock
    • Protects Secure Memory Blocks
    • Prevents Firmware Reverse Engineering
  • Serial Port Peripherals
    • One Serial Communications Interface (SCI) Universal Asynchronous Receiver/Transmitter (UART) Module
    • One Serial Peripheral Interface (SPI) Module
    • One Inter-Integrated-Circuit (I2C) Module
  • Enhanced Control Peripherals
    • ePWM
    • High-Resolution PWM (HRPWM)
    • Enhanced Capture (eCAP) Module
    • Analog-to-Digital Converter (ADC)
    • On-Chip Temperature Sensor
    • Comparator
  • Advanced Emulation Features
    • Analysis and Breakpoint Functions
    • Real-Time Debug Through Hardware
  • Package Options
    • 38-Pin DA Thin Shrink Small-Outline Package (TSSOP)
    • 48-Pin PT Low-Profile Quad Flatpack (LQFP)
  • Temperature Options
    • T: –40°C to 105°C
    • S: –40°C to 125°C
    • Q: –40°C to 125°C
      (AEC Q100 Qualification for Automotive Applications)

Applications

C2000? C28x Piccolo?

Specifications

  • Core Processor C28x

  • Speed 40MHz

  • Operating Temperature -40℃ ~ 105℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 5K x 16

  • Number of I/O 22

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 48-LQFP (7x7)

  • Package / Case 48-LQFP

  • Core Size 32-Bit

  • Connectivity I2C, SCI, SPI, UART/USART

  • Program Memory Size 64KB (32K x 16)

  • Data Converters A/D 13x12b

  • Voltage - Supply (Vcc/Vdd) 1.71V ~ 1.995V

Circuit Diagram

TMS320F28021PTT

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