Overview
The TMS320DM355ZCE135 is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments. This highly integrated, programmable platform is designed for various digital media applications, including digital still cameras, digital photo frames, IP security cameras, 4-channel digital video recorders, and video doorbell applications. The DM355 combines high-performance MPEG4 HD (720p) and JPEG codecs, supporting up to 50M pixels per second, with low power consumption and a competitive price point. It features an ARM926EJ-S RISC processor core, which is a 32-bit processor capable of executing 32-bit, 16-bit, and 8-bit instructions and data processing.
Key Specifications
| Feature | Specification |
|---|---|
| Processor Core | ARM926EJ-S RISC processor |
| Clock Rate | Up to 270 MHz (135, 216, and 270 MHz options) |
| Cache Memory | 16 KB Instruction Cache, 8 KB Data Cache |
| On-Chip RAM/ROM | 32 KB RAM, 8 KB ROM |
| Memory Interfaces | DDR2/mDDR (16-bit bus width), Asynchronous EMIF (AEMIF), NAND, OneNAND |
| Peripheral Interfaces | USB 2.0 (Full and High-Speed Device/Host), MMC/SD/SDIO, SPI (3x), UART (3x), I2C, PWM (4x), RTO (4x) |
| Package Type | 337-Pin Ball Grid Array (BGA) Package (ZCE Suffix), 0.65-mm Ball Pitch |
| Process Technology | 90 nm |
| Voltage | 1.3 V Core, 3.3 V and 1.8 V I/O |
| Video Processing | MPEG4/JPEG Coprocessor, Hardware IPIPE for Real-Time Image Processing |
| General-Purpose I/O | Up to 104 GPIO Pins |
Key Features
- High-Performance Video Processing: Supports up to 720p MPEG4 SP and up to 50M pixels per second JPEG processing.
- ARM926EJ-S RISC Processor: 32-bit processor core with up to 270 MHz clock rate.
- Memory and Interfaces: DDR2/mDDR, Asynchronous EMIF, NAND, OneNAND, USB 2.0, MMC/SD/SDIO, SPI, UART, and I2C interfaces.
- Peripheral Set: Includes three 64-bit general-purpose timers, one 64-bit watchdog timer, four PWM outputs, four RTO outputs, and up to 104 GPIO pins.
- Power Management: Configurable power-saving modes and a power and sleep controller.
- Debug and Trace: EmbeddedICE-RT™ logic for real-time debug, JTAG, and ETB™ (Embedded Trace Buffer™) with 4K-Bytes trace buffer memory.
- Audio and Video: Two audio serial ports (ASP), AC97 audio codec interface, and hardware IPIPE for real-time image processing.
Applications
- Digital Still Cameras: Supports high-quality image capture and processing.
- Digital Photo Frames: Enables display of high-resolution images with low power consumption.
- IP Security Cameras: Optimized for video surveillance with HD video capabilities.
- 4-Channel Digital Video Recorders: Supports multiple video streams and recording.
- Video Doorbells and Baby Monitors: Ideal for low-cost, portable, high-definition video applications.
- Wireless IP Network Cameras: Suitable for networked video surveillance systems.
Q & A
- What is the TMS320DM355ZCE135?
The TMS320DM355ZCE135 is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments, designed for various digital media applications.
- What processor core does the DM355 use?
The DM355 uses an ARM926EJ-S RISC processor core.
- What are the clock rate options for the DM355?
The DM355 is available with clock rates of 135, 216, and 270 MHz.
- What type of memory interfaces does the DM355 support?
The DM355 supports DDR2/mDDR, Asynchronous EMIF, NAND, and OneNAND memory interfaces.
- What are the key video processing capabilities of the DM355?
The DM355 supports up to 720p MPEG4 SP and up to 50M pixels per second JPEG processing.
- What peripheral interfaces are available on the DM355?
The DM355 includes USB 2.0, MMC/SD/SDIO, SPI, UART, I2C, PWM, and RTO interfaces.
- What is the package type and pin count of the DM355?
The DM355 is packaged in a 337-Pin Ball Grid Array (BGA) Package (ZCE Suffix) with a 0.65-mm ball pitch.
- 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 operates with a 1.3 V core voltage and 3.3 V and 1.8 V I/O voltages.
- What debug and trace features are available on the DM355?
The DM355 includes EmbeddedICE-RT™ logic for real-time debug, JTAG, and ETB™ (Embedded Trace Buffer™) with 4K-Bytes trace buffer memory.
