TMS320F28068 - Piccolo 微处理器

TMS320F28068是TI德州仪器公司的一款实时控制产品，TMS320F28068是Piccolo 微处理器，本站介绍了TMS320F28068的封装应用图解、特点和优点、功能等，并给出了与TMS320F28068相关的TI元器件型号供参考。

TMS320F28068 - Piccolo 微处理器 - 实时控制 - 高性能MCU - 德州仪器

1 Device Overview

1.1 Features

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)

1.2 Applications

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

1.3 Description

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE
TMS320F28069PZP	HTQFP (100)	14.0 mm x 14.0 mm
TMS320F28069PFP	HTQFP (80)	12.0 mm x 12.0 mm
TMS320F28069PZ	LQFP (100)	14.0 mm x 14.0 mm
TMS320F28069PN	LQFP (80)	12.0 mm x 12.0 mm

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