Overview
The TMS320DM357, also known as the DM357, is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments. This high-performance SoC leverages TI’s DaVinci technology to meet the processing needs of next-generation embedded devices, particularly in networked media encode and decode applications. The DM357 features a 270-MHz ARM926EJ-S core, providing robust operating system support, rich user interfaces, high processing performance, and long battery life. It is designed to enable OEMs and ODMs to quickly bring to market devices with advanced media processing capabilities.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 270-MHz ARM926EJ-S |
| Memory Controller | 32-bit DDR2 SDRAM, Asynchronous EMIF (8/16-bit), NOR/NAND Flash |
| Video Processing | Up to 2 video windows, H.264/MPEG4/JPEG coprocessor (HMJCP) |
| External Memory Interfaces | DDR2, Asynchronous EMIF, NOR/NAND Flash, MMC/SD with SDIO |
| Peripherals | 10/100 Mb/s Ethernet MAC, USB2.0 OTG, I2C, SPI, UARTs, PWM, GPIO |
| Package | 361-pin Pb-Free BGA Package (ZWT Suffix), 0.8-mm Ball Pitch |
| Power and Voltage | 3.3-V and 1.8-V I/O, 1.2-V Core |
| Clock and PLL | Flexible PLL Clock Generators, Clock Gating for Power Management |
Key Features
- High-Performance Digital Media SoC with 8-/16-bit YUV or up to 24-Bit RGB support
- ARM926EJ-S core with 32-bit and 16-bit instruction sets and ARM Jazelle technology
- Video Processing Subsystem (VPSS) with Video Processing Front-End (VPFE) and Back-End (VPBE)
- H.264/MPEG4/JPEG coprocessor (HMJCP) for image processing and compression
- 10/100 Mb/s Ethernet Media Access Controller (EMAC) with IEEE 802.3 compliance
- USB2.0 OTG controller with integrated high-speed PHY
- On-chip ARM ROM bootloader (RBL) for booting from NAND Flash or UART
- Comprehensive power-saving modes and clock gating
- Support for various audio interfaces including I2S, AC97, and AIC12
- Hardware On-Screen Display (OSD) and Video Encoder (VENC)
Applications
- Digital Media: Networked media encode and decode, video imaging
- Video Imaging: Real-time image processing, auto-exposure, auto-white balance, and auto-focus
- Embedded Devices: Next-generation embedded devices requiring high processing performance and rich user interfaces
- Consumer Electronics: Devices such as digital cameras, camcorders, and multimedia players
Q & A
- What is the primary processor core of the TMS320DM357?
The primary processor core is the 270-MHz ARM926EJ-S. - What types of memory interfaces does the DM357 support?
The DM357 supports 32-bit DDR2 SDRAM, asynchronous EMIF (8/16-bit), NOR/NAND Flash, and MMC/SD with SDIO. - What is the HMJCP coprocessor used for?
The HMJCP coprocessor is used for H.264, MPEG4, and JPEG image processing and compression. - Does the DM357 have Ethernet capabilities?
Yes, it includes a 10/100 Mb/s Ethernet Media Access Controller (EMAC) with IEEE 802.3 compliance. - What is the package type of the DM357?
The DM357 is available in a 361-pin Pb-Free BGA Package (ZWT Suffix) with a 0.8-mm ball pitch. - What power management features does the DM357 offer?
The DM357 offers comprehensive power-saving modes, clock gating, and flexible PLL clock generators. - Does the DM357 support audio interfaces?
Yes, it supports various audio interfaces including I2S, AC97, and AIC12. - What is the Video Processing Subsystem (VPSS) in the DM357?
The VPSS includes the Video Processing Front-End (VPFE) and Back-End (VPBE) for video capture and display. - Can the DM357 be used in consumer electronics?
Yes, it is suitable for devices such as digital cameras, camcorders, and multimedia players. - What development tools are available for the DM357?
The DM357 has a complete set of development tools including C compilers and a Windows debugger interface.
