TMS320F2812
具有闪存的 32 位数字信号控制器
Introduction
This section provides a summary of each device’s features, lists the pin assignments, and describes the function of each pin. This document also provides detailed descriptions of peripherals, electrical specifications, parameter measurement information, and mechanical data about the available packaging.
Features
• High-Performance Static CMOS Technology
– 150 MHz 6.67-ns Cycle Time
– Low-Power 1.8-V Core at 135 MHz, 1.9-V Core at 150 MHz, 3.3-V I/O Design
• JTAG Boundary Scan Support1
• High-Performance 32-Bit CPU TMS320C28x™
– 16 x 16 and 32 x 32 MAC Operations
– 16 x 16 Dual MAC
– Harvard Bus Architecture
– Atomic Operations
– Fast Interrupt Response and Processing
– Unified Memory Programming Model
– 4M Linear Program/Data Address Reach
– Code-Efficient in C/C++ and Assembly
– TMS320F24x/LF240x Processor Source Code Compatible
• On-Chip Memory
– Flash Devices: Up to 128K x 16 Flash Four 8K x 16 and Six 16K x 16 Sectors
– ROM Devices: Up to 128K x 16 ROM
– 1K x 16 OTP ROM
– L0 and L1: 2 Blocks of 4K x 16 Each Single-Access RAM SARAM
– H0: 1 Block of 8K x 16 SARAM
– M0 and M1: 2 Blocks of 1K x 16 Each SARAM
• Boot ROM 4K x 16
– With Software Boot Modes
– Standard Math Tables
• External Interface 2812
– Over 1M x 16 Total Memory
– Programmable Wait States
– Programmable Read/Write Strobe Timing
– Three Individual Chip Selects
• Endianness: Little Endian
• Clock and System Control
– Dynamic PLL Ratio Changes Supported
– On-Chip Oscillator
– Watchdog Timer Module
• Three External Interrupts
• Peripheral Interrupt Expansion PIE Block That Supports 45 Peripheral Interrupts
• Three 32-Bit CPU-Timers
• 128-Bit Security Key/Lock
– Protects Flash/ROM/OTP and L0/L1 SARAM
– Prevents Firmware Reverse-Engineering
• Motor Control Peripherals
– Two Event Managers EVA, EVB
– Compatible to 240xA Devices
• Serial Port Peripherals
– Serial Peripheral Interface SPI
– Two Serial Communications Interfaces SCIs, Standard UART
– Enhanced Controller Area Network eCAN
– Multichannel Buffered Serial Port McBSP
• 12-Bit ADC, 16 Channels
– 2 x 8 Channel Input Multiplexer
– Two Sample-and-Hold
– Single/Simultaneous Conversions
– Fast Conversion Rate: 80 ns/12.5 MSPS
• Up to 56 General-Purpose I/O GPIO Pins
• Advanced Emulation Features
– Analysis and Breakpoint Functions
– Real-Time Debug via Hardware
• Development Tools Include
– ANSI C/C++ Compiler/Assembler/Linker
– Code Composer Studio™ IDE
– DSP/BIOS™
– JTAG Scan Controllers1
• Low-Power Modes and Power Savings
– IDLE, STANDBY, HALT Modes Supported
– Disable Individual Peripheral Clocks
