Overview
The TMS320DM355CZCEA13, produced by Texas Instruments, is a highly integrated Digital Media System-on-Chip (DMSoC) designed for various digital media applications. This chip is based on the ARM926EJ-S RISC processor and is optimized for high-performance digital media processing, including MPEG4 and JPEG codecs. It is particularly suited for applications such as digital still cameras, digital photo frames, IP security cameras, and 4-channel digital video recorders. The DM355 offers a balance of high picture quality, low power consumption, and affordability, making it an ideal choice for portable digital video solutions.
Key Specifications
| Specification | Description |
|---|---|
| Processor Core | ARM926EJ-S RISC processor |
| Clock Rate | Up to 270 MHz |
| Cache Memory | 16 KB Instruction Cache, 8 KB Data Cache |
| RAM/ROM | 32 KB RAM, 8 KB ROM |
| Memory Interfaces | DDR2/mDDR SDRAM, NAND/OneNAND Flash |
| Video Processing | MPEG4 SP Codec up to 720p, JPEG Codec up to 50M pixels per second |
| Peripheral Interfaces | USB 2.0, MMC/SD/SDIO, SPI, UART, I2C, PWM, RTO |
| Package Type | 337-Pin Ball Grid Array (BGA) |
| Process Technology | 90 nm |
| Voltage | 1.3 V Core, 3.3 V and 1.8 V I/O |
Key Features
- High-Performance Digital Media Processing: Supports MPEG4 SP codec up to 720p and JPEG codec up to 50M pixels per second.
- ARM926EJ-S RISC Processor: 32-bit processor core with 32-bit, 16-bit, and 8-bit data processing capabilities.
- Video Processing Subsystem: Includes hardware IPIPE for real-time image processing, histogram module, and resize engine.
- Flexible Memory Interfaces: DDR2/mDDR SDRAM, NAND/OneNAND Flash, and asynchronous external memory interface (AEMIF).
- Rich Peripheral Set: Includes USB 2.0, MMC/SD/SDIO, SPI, UART, I2C, PWM, RTO, and audio serial ports (ASP).
- Configurable Power-Saving Modes: Enhances power efficiency for battery-powered devices.
- Debug Interface Support: Includes JTAG and Embedded Trace Buffer (ETB) for comprehensive debugging.
Applications
- Digital Still Cameras: High-quality image capture and processing.
- Digital Photo Frames: Display and manage digital photos with advanced features.
- IP Security Cameras: Real-time video surveillance with high-resolution output.
- 4-Channel Digital Video Recorders: Multi-channel video recording and playback.
- Video Door Bell Applications: Integrated video and audio capabilities for smart home devices.
- Other Portable Digital Video Applications: Suitable for various low-cost, portable digital video solutions.
Q & A
- What is the processor core of the TMS320DM355?
The processor core is the ARM926EJ-S RISC processor.
- What are the maximum clock rates supported by the DM355?
The DM355 supports clock rates up to 270 MHz.
- What types of memory interfaces does the DM355 support?
The DM355 supports DDR2/mDDR SDRAM, NAND/OneNAND Flash, and asynchronous external memory interface (AEMIF).
- What video processing capabilities does the DM355 offer?
The DM355 supports MPEG4 SP codec up to 720p and JPEG codec up to 50M pixels per second.
- What peripheral interfaces are available on the DM355?
The DM355 includes USB 2.0, MMC/SD/SDIO, SPI, UART, I2C, PWM, RTO, and audio serial ports (ASP).
- What is the package type of the DM355?
The DM355 is packaged in a 337-Pin Ball Grid Array (BGA).
- What process technology is used in the DM355?
The DM355 is fabricated using 90 nm process technology.
- What are the voltage requirements for the DM355?
The DM355 requires 1.3 V core voltage and 3.3 V and 1.8 V I/O voltages.
- Does the DM355 support power-saving modes?
Yes, the DM355 supports configurable power-saving modes to enhance power efficiency.
- What debugging interfaces are available on the DM355?
The DM355 includes JTAG and Embedded Trace Buffer (ETB) for debugging.
