描述The SM320F2812 device, member of the C28xE DSP generation, is a highly integrated, high-performance solution for demanding control applications. The functional blocks and the memory maps are described in Section 3, Functional Overview. Throughout this document SM320F2812 is abbreviated as F2812.特性 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 3.3 V Flash Voltage JTAG Boundary Scan SupportIEEE Standard 1149.1-1990, IEEE Standard Test-Access Port High-Performance 32 Bit CPU (TMS320C28x) 16 × 16 and 32 x 32 MAC Operations 16 × 16 Dual MAC Harvard Bus Architecture Atomic Operations Fast Interrupt Response and Processing Unified Memory Programming Model 4M Linear Program Address Reach 4M Linear Data Address Reach Code-Efficient (in C/C++ and Assembly) TMS320F24x/LF240x Processor Source Code Compatible On-Chip Memory Flash Devices: Up to 128K × 16 Flash (Four 8K × 16 and Six 16K × 16 Sectors) ROM Devices: Up to 128K × 16 ROM 1K × 16 OTP ROM L0 and L1: 2 Blocks of 4K × 16 Each Single-Access RAM (SARAM) H0: 1 Block of 8K × 16 SARAM M0 and M1: 2 Blocks of 1K × 16 Each SARAM Boot ROM (4K × 16) With Software Boot Modes Standard Math Tables External Interface 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 128 Bit Security Key/Lock Protects Flash/ROM/OTP and L0/L1 SARAM Prevents Firmware Reverse Engineering 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 Multichannel Buffered Serial Port (McBSP) With SPI Mode 12 Bit ADC, 16 Channels 2 × 8 Channel Input Multiplexer Two Sample-and-Hold Single/Simultaneous Conversions Fast Conversion Rate: 80 ns/12.5 MSPS Up to 56 Individually Programmable, Multiplexed General-Purpose Input / Output (GPIO) Pins Advanced Emulation Features Analysis and Breakpoint Functions Real-Time Debug via Hardware Development Tools Include ANSI C/C++ Compiler/Assembler/Linker Supports TMS320C24x/240x Instructions Code Composer Studio IDE DSP/BIOS JTAG Scan Controllers [Texas Instruments (TI) or Third-Party] Evaluation Modules Broad Third-Party Digital Motor Control Support Low-Power Modes and Power Savings IDLE, STANDBY, HALT Modes Supported Disable Individual Peripheral Clocks APPLICATIONS Controlled Baseline One Assembly/Test Site One Fabrication Site Available in Extreme (–55°C/220°C) Temperature Range(1) Extended Product Life Cycle Extended Product-Change Notification Product Traceability Texas Instruments high temperature products utilize highly optimized silicon (die) solutions with design and process enhancements to maximize performance over extended temperatures.(1) Custom temperature ranges available