Overview
The TMS320DM355 is a highly integrated Digital Media System-on-Chip (DMSoC) from Texas Instruments, designed for various digital media applications. It is based on the DaVinci technology and features an ARM926EJ-S RISC processor core. This processor is optimized for low-cost, portable digital video solutions, offering high performance, high picture quality, and low power consumption.
The DM355 is particularly suited for applications such as digital still cameras, digital photo frames, IP security cameras, 4-channel digital video recorders, and video doorbell applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM926EJ-S RISC processor |
| Clock Rate | Up to 270 MHz |
| Package Type | 337-Pin Ball Grid Array (BGA) |
| Operating Temperature Range | 0 to 85°C |
| Memory | 16-KB I-cache, 8-KB D-cache, 32-KB RAM, 8-KB ROM |
| External Memory Interfaces | DDR2/mDDR SDRAM, NAND, OneNAND, MMC/SD/SDIO, SmartMedia |
| Peripherals | USB 2.0, 3 UARTs, 3 SPIs, I2C, Audio Serial Port (ASP), PWM, RTO |
| Video Processing | MPEG4/JPEG coprocessor, Video Processing Subsystem (VPSS), Hardware IPIPE, On-Screen Display (OSD) |
| Power and Voltage | 1.3-V core, 3.3-V and 1.8-V I/O |
| Process Technology | 90 nm |
Key Features
- High-performance ARM926EJ-S RISC processor with up to 270 MHz clock rate
- MPEG4/JPEG coprocessor supporting up to 720p MPEG4 SP and up to 50M pixels per second JPEG
- Video Processing Subsystem (VPSS) with hardware IPIPE for real-time image processing
- Support for various CCD and CMOS sensors and interfaces (up to 14-bit CCD/CMOS digital interface)
- On-chip ARM ROM bootloader (RBL) to boot from NAND flash, MMC/SD, or UART
- Enhanced Direct-Memory-Access (EDMA) controller with 64 independent channels
- USB 2.0 port with integrated high-speed PHY, supporting full and high-speed device and host modes
- Multiple timers, UARTs, SPIs, and I2C interfaces
- Configurable power-saving modes and flexible PLL clock generators
- Debug interface support including IEEE-1149.1 (JTAG) and Embedded Trace Buffer (ETB)
Applications
- Digital still cameras
- Digital photo frames
- IP security cameras
- 4-channel digital video recorders
- Video doorbell applications
- Other low-cost portable digital video applications
Q & A
- What is the TMS320DM355 processor core?
The TMS320DM355 is based on the ARM926EJ-S RISC processor core.
- What are the key video processing capabilities of the DM355?
The DM355 supports MPEG4/JPEG coprocessing, a Video Processing Subsystem (VPSS), and hardware IPIPE for real-time image processing.
- What types of memory interfaces does the DM355 support?
The DM355 supports DDR2/mDDR SDRAM, NAND, OneNAND, MMC/SD/SDIO, and SmartMedia interfaces.
- What peripherals are included in the DM355?
The DM355 includes USB 2.0, UARTs, SPIs, I2C, Audio Serial Port (ASP), PWM, and RTO.
- What is the operating temperature range of the DM355?
The operating temperature range is 0 to 85°C.
- What is the package type and pin count of the DM355?
The DM355 is packaged in a 337-Pin Ball Grid Array (BGA).
- Does the DM355 support power-saving modes?
Yes, the DM355 has configurable power-saving modes.
- What debug interfaces are supported by the DM355?
The DM355 supports IEEE-1149.1 (JTAG) and Embedded Trace Buffer (ETB).
- What are some typical applications for the DM355?
Typical applications include digital still cameras, digital photo frames, IP security cameras, and video doorbell applications.
- What is the process technology used in the DM355?
The DM355 is fabricated using 90 nm process technology.
