TMS320R2812中文资料德州仪器数据手册PDF规格书

特性 Features

High-Performance Static CMOS Technology

− 150 MHz (6.67-ns Cycle Time)

− Low-Power (1.8-V Core @135 MHz, 1.9-V

Core @150 MHz, 3.3-V I/O) Design

JTAG Boundary Scan Support†

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)

− Code and Pin Compatible to F2810,

F2811, and F2812 devices

− TMS320F24x/LF240x Processor Source

Code Compatible

On-Chip Memory

− 20K x 16 Total Single-Access RAM

(SARAM)

− L0 and L1: 2 Blocks of 4K x 16 Each

SARAM

− L2 and L3: 2 Blocks of 1K X 16 SARAM

− H0: 1 Block of 8K x 16 SARAM

− M0 and M1: 2 Blocks of 1K x 16 Each

SARAM

SPI, SCI, and GPIO Boot Loader Modes to

Support Loading Code From Off-chip

Sources to On-chip RAM. SPI Boot Mode

Supports Loading From an External Serial

EEPROM.

Boot ROM (4K x 16)

− With Software Boot Modes

− Standard Math Tables

External Interface (2812)

− Up to 1M Total Memory

− Programmable Wait States

− Programmable Read/Write Strobe Timing

− Three Individual Chip Selects

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

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 Controllers†

Low-Power Modes and Power Savings

− IDLE, STANDBY, HALT Modes Supported

− Disable Individual Peripheral Clocks

Package Options

− 179-Ball MicroStar BGA With External

Memory Interface (GHH), (ZHH) (2812)

− 176-Pin Low-Profile Quad Flatpack

(LQFP) With External Memory Interface

(PGF) (2812)

− 128-Pin LQFP Without External Memory

Interface (PBK) (2811)

Temperature Options:

− A: −40°C to 85°C (GHH, ZHH, PGF, PBK)

− S: −40°C to 125°C (GHH, ZHH, PGF, PBK)

− Q: −40°C to 125°C (PGF, PBK)