The TMS320C2xx generation of digital signal processors (DSPs) combines strong performance and great flexibility to meet the needs of signal processing and control applications. The T320C2xLP core CPU that is the basis of all 'C2xx devices has been optimized for high speed, small size, and low-power, making it ideal for demanding applications in many markets. The CPU has an advanced, modified Harvard architecture with six internal buses that permits tremendous parallelism and data throughput. The powerful 'C2xx instruction set makes software development easy. And because the 'C2xx is code-compatible with the TMS320C2x and 'C5x generations, your code investment is preserved. Around this core, 'C2xx-generation devices feature various combinations of on-chip memory and peripherals. The serial ports provide easy communication with external devices such as codecs, A/D converters, and other processors. Other peripherals that facilitate the control of external devices include general-purpose I/O pins, a 20-bit timer, and a wait-state generator.

Because of their strong performance, low cost, and easy-to-use development environment, 'C2xx-generation DSPs are an ideal choice for applications such as smart phones, digital cameras, modems, remote metering, and security systems.

Table 2 provides a comparison of the devices in the 'C2xx generation. It shows the capacity of on-chip RAM and ROM, the number of serial and parallel I/O ports, the execution time of one machine cycle, and the type of package with total pin count.

Core power dissipation. For complete details, see Calculation of TMS320C2xx Power Dissipation (literature number SPRA088).

• Based Upon the T320C2xLP Core CPU
• 16-Bit Fixed-Point DSP Architecture
  • Six Internal Buses for Increased Parallelism and Performance
  • 32-Bit ALU/Accumulator
  • 16 × 16-Bit Single-Cycle Multiplier With a 32-Bit Product
  • Block Moves for Data, Program, I/O Space
  • Hardware Repeat Instruction
• Instruction Cycle Time
• 'C203 'LC203 'C209
• 50 ns @ 5 V 50 ns @ 3.3 V 50 ns @ 5 V
• 35 ns @ 5 V 35 ns @ 5 V
• 25 ns @ 5 V
• Source Code Compatible With TMS320C25
• Upwardly Code-Compatible With TMS320C5x Devices
• Four External Interrupts
• Boot-Loader Option ('C203 Only)
• TMS320C2xx Integrated Memory:
  • 544 × 16 Words of On-Chip Dual-Access Data RAM
  • 4K × 16 Words of On-Chip Single-Access Program/Data RAM ('C209 only)
  • 4K × 16 Words of On-Chip Program ROM ('C209 Only)
• 224K × 16-Bit Total Addressable External Memory Space
  • 64K Program
  • 64K Data
  • 64K I/O
  • 32K Global
• TMS320C2xx Peripherals:
  • PLL With Various Clock Options
    • - ×1, ×2, ×4, 2 ('C203)
    • - ×2, 2 ('C209)
  • On-Chip Oscillator
  • One Wait State Software-Programmable to Each Space ('C209 Only)
  • 0 - 7 Wait States Software-Programmable to Each Space ('C203 Only)
  • Six General-Purpose I/O Pins
  • On-Chip 20-Bit Timer
  • Full-Duplex Asynchronous Serial Port (UART) ('C203 Only)
  • One Synchronous Serial Port With Four-Level-Deep FIFOs ('C203 Only)
• Supports Hardware Wait States
• Designed for Low-Power Consumption
  • Fully Static CMOS Technology
  • Power-Down IDLE Mode
• 1.1 mA/MIPS at 3.3 V
• 'C203 is Pin-Compatible With TMS320F206 Flash DSP
• Up to 40-MIPS Performance at 5 V ('C203)
• 20-MIPS Performance at 3.3 V
• HOLD Mode for Multiprocessor Applications
• IEEE-1149.1-Compatible Scan-Based Emulation
• 80- and 100-pin Small Thin Quad Flat Packages (TQFPs), (PN and PZ Suffixes)

  IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port.

• DSP
• 1 C2x
• DSP MHz (Max)
• 40
• CPU
• 32-bit
• Rating
• Catalog

TMS320C203的完整型号有：TMS320C203PZ、TMS320C203PZ57、TMS320C203PZ80、TMS320C203PZA、TMS320C203PZA57，以下是这些产品的关键参数及官网采购报价：

TMS320C203PZ，工作温度：PropertyValue，封装：LQFP (PZ)-100，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TMS320C203PZ的批量USD价格：7.542（1000+）

TMS320C203PZ57，工作温度：PropertyValue，封装：LQFP (PZ)-100，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TMS320C203PZ57的批量USD价格：7.542（1000+）

TMS320C203PZ80，工作温度：PropertyValue，封装：LQFP (PZ)-100，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TMS320C203PZ80的批量USD价格：7.919（1000+）

TMS320C203PZA，工作温度：PropertyValue，封装：LQFP (PZ)-100，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TMS320C203PZA的批量USD价格：8.296（1000+）

TMS320C203PZA57，工作温度：PropertyValue，封装：LQFP (PZ)-100，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TMS320C203PZA57的批量USD价格：8.296（1000+）

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