Overview
The TMS320DM270GHK is a highly integrated, programmable digital signal processor (DSP) from Texas Instruments, designed to address the needs of multimedia and digital imaging applications. This processor is part of the TMS320 series and is built using 0.13-micron process technology, offering a balance of hardwired performance and software flexibility. It combines an ARM7 32-bit RISC microprocessor with a TMS320C54x DSP core, making it suitable for a wide range of multimedia and imaging tasks.
Key Specifications
| Parameter | Specification |
|---|---|
| ARM Processor | 80 MHz ARM7 with 8KB I-cache, 32KB on-chip RAM |
| DSP Processor | 90 MHz TMS320C54x DSP core with 128KB on-chip RAM |
| Image Processing Engine | 180 MHz programmable SIMD iMX for image processing |
| Memory Interface | Supports up to 128MB SDRAM (100 MHz, 32-bit or 16-bit) |
| Video Capabilities | MPEG-4 real-time video encoding/decoding at 30 fps, VGA resolution; M-JPEG encoding/decoding at 30 fps, VGA resolution |
| Audio/Video/Imaging Standards | Supports H.263, M-JPEG, MPEG1, MPEG4, Nancy, WMV, DivX (video); JPEG (imaging); AAC, ATRAC3, MP3, WMA (audio); AMR, G.723.1, G.726, G.711 (voice) |
| Interfaces | CompactFlash, SmartMedia, Secure Digital, Memory Stick, USB 1.1, UART, Serial IF, GIO |
| Package | 288-pin MicroStar BGA (16x16mm or 12x12mm) |
Key Features
- Programmable + hardware architecture for both hardwired performance and software advantages
- Powerful SIMD iMX performs 4 parallel MAC operations
- Hardware Preview Engine and Pixel Pre-Processor for digital still camera (DSC) systems
- Real-time Auto Focus (AF), Auto White Balance (AWB), and Auto Exposure (AE) statistics for DSC systems
- Supports 16-bit analog front ends and 8/16-bit video input/output (CCIR601/656)
- Versatile on-chip On-Screen Display (OSD) and NTSC/PAL Video Encoder
- Single-channel composite analog and 8/16-bit digital RGB/YUV output
- Integrated peripherals including four timers, two UARTs, USB 1.1, and 32 GIOs
Applications
- Multimedia devices
- Digital imaging systems
- Digital still cameras
- Portable media products
- Other digital signal processing applications
Q & A
- What is the TMS320DM270GHK used for?
The TMS320DM270GHK is used for multimedia and digital imaging applications, including digital still cameras and other portable media products.
- What are the key components of the TMS320DM270GHK?
The key components include an 80 MHz ARM7 processor, a 90 MHz TMS320C54x DSP core, and a 180 MHz programmable SIMD iMX image-processing engine.
- What video encoding/decoding capabilities does the TMS320DM270GHK support?
The processor supports MPEG-4 real-time video encoding/decoding at 30 fps, VGA resolution, and M-JPEG encoding/decoding at 30 fps, VGA resolution.
- What audio, video, and imaging standards does the TMS320DM270GHK support?
The processor supports a wide range of standards including H.263, M-JPEG, MPEG1, MPEG4 (video); JPEG (imaging); AAC, ATRAC3, MP3, WMA (audio); and AMR, G.723.1, G.726, G.711 (voice).
- What interfaces does the TMS320DM270GHK provide?
The processor provides interfaces for CompactFlash, SmartMedia, Secure Digital, Memory Stick, USB 1.1, UART, Serial IF, and GIO.
- What is the package type of the TMS320DM270GHK?
The processor is packaged in a 288-pin MicroStar BGA (16x16mm or 12x12mm).
- Does the TMS320DM270GHK support real-time AF, AWB, and AE statistics?
Yes, the processor supports real-time Auto Focus (AF), Auto White Balance (AWB), and Auto Exposure (AE) statistics for digital still camera systems.
- What is the role of the SIMD iMX in the TMS320DM270GHK?
The SIMD iMX is a programmable image-processing engine that performs 4 parallel MAC operations at 180 MHz.
- Is the TMS320DM270GHK compatible with various software and hardware tools?
Yes, the processor is compatible with a range of software and hardware tools designed for the TMS320 series.
- What is the current lifecycle status of the TMS320DM270GHK?
The TMS320DM270GHK is an obsolete product, indicating it is nearing discontinuation. Replacement or upgrade options may be available within the TMS320 series.
