Overview
The TMS320DM6443, produced by Texas Instruments, is a high-performance Digital Media System-on-Chip (DMSoC) that leverages TI's DaVinci™ technology. This device is designed to meet the processing needs of next-generation embedded devices, particularly those requiring robust media encoding and decoding capabilities. The DM6443 features a dual-core architecture, combining a high-performance TMS320C64x+™ DSP core with an ARM926EJ-S MPU core. This integration provides the benefits of both DSP and RISC technologies, enabling OEMs and ODMs to develop devices with robust operating systems support, rich user interfaces, high processing performance, and long battery life.
Key Specifications
| Specification | Details |
|---|---|
| Clock Rate (C64x+™ DSP) | 594 MHz |
| Clock Rate (ARM926EJ-S™) | 297 MHz |
| MIPS (C64x+™ DSP) | Up to 4752 MIPS |
| L1 Program Cache | 32K-Byte direct mapped cache |
| L1 Data Cache | 80K-Byte 2-way set-associative cache |
| L2 Unified Cache | 64K-Byte flexible RAM/cache allocation |
| Memory Interfaces | DDR2 SDRAM, Asynchronous EMIF (EMIFA) |
| Peripherals | 10/100 Mb/s Ethernet MAC, I2C Bus, Audio Serial Port (ASP), General-Purpose Timers, Watchdog Timer, GPIO, UARTs, PWM Peripherals |
| Video Processing Sub-System (VPSS) | Configurable Resizer, Video Processing Back-End (VPBE) with On-Screen Display Engine and Video Encoder |
Key Features
- Dual-core architecture with TMS320C64x+™ DSP core and ARM926EJ-S MPU core.
- High-performance DSP with up to 4752 MIPS at 594 MHz.
- Advanced very-long-instruction-word (VLIW) architecture.
- 32-bit DDR2 SDRAM memory controller and asynchronous EMIF.
- Configurable video port, 10/100 Mb/s Ethernet MAC, I2C Bus, and audio serial port.
- General-purpose timers, watchdog timer, and up to 71 pins of GPIO.
- Video Processing Sub-System (VPSS) with Resizer and Video Processing Back-End (VPBE).
- On-Screen Display Engine and Video Encoder for various video outputs.
Applications
The TMS320DM6443 is well-suited for a variety of applications that require high-performance media processing, including:
- Networked media encode and decode devices.
- Embedded devices with rich user interfaces and robust operating systems support.
- Digital media applications such as video conferencing, surveillance systems, and digital video recorders.
- Devices requiring long battery life and high processing performance.
Q & A
- What is the clock rate of the C64x+™ DSP core in the TMS320DM6443?
The clock rate of the C64x+™ DSP core is 594 MHz.
- What is the clock rate of the ARM926EJ-S™ core in the TMS320DM6443?
The clock rate of the ARM926EJ-S™ core is 297 MHz.
- What is the maximum MIPS performance of the C64x+™ DSP core?
The maximum MIPS performance of the C64x+™ DSP core is up to 4752 MIPS.
- What types of memory interfaces does the TMS320DM6443 support?
The TMS320DM6443 supports DDR2 SDRAM and asynchronous EMIF (EMIFA).
- What peripherals are included in the TMS320DM6443?
The peripherals include a 10/100 Mb/s Ethernet MAC, I2C Bus, audio serial port (ASP), general-purpose timers, watchdog timer, GPIO, UARTs, and PWM peripherals.
- What is the Video Processing Sub-System (VPSS) in the TMS320DM6443?
The VPSS includes a configurable Resizer and Video Processing Back-End (VPBE) with an On-Screen Display Engine and Video Encoder.
- What types of video outputs can the Video Encoder (VENC) provide?
The Video Encoder can provide composite NTSC/PAL video, S-Video, Component video, and up to 24 bits of digital output to interface with RGB888 devices.
- How many general-purpose timers does the TMS320DM6443 have?
The TMS320DM6443 has two 64-bit general-purpose timers, each configurable as two independent 32-bit timers.
- What is the purpose of the ARM926EJ-S™ core in the TMS320DM6443?
The ARM926EJ-S™ core is a 32-bit RISC processor core that performs 32-bit or 16-bit instructions and processes 32-bit, 16-bit, or 8-bit data, providing robust operating systems support and rich user interfaces.
- What is the significance of the dual-core architecture in the TMS320DM6443?
The dual-core architecture combines the benefits of both DSP and RISC technologies, enabling high-performance media processing and robust operating systems support.
