Texas Instruments TMS320DM642AGDKA5

Overview

TMS320DM642AGDKA5 from Texas Instruments is a fixed-point digital signal processor (DSP) optimized for video and imaging applications, featuring a 720-MHz C64x™ DSP core delivering 5760 MIPS, 256KB L2 unified RAM/cache, three configurable video ports supporting ITU-R BT.656 and SMPTE standards, and integrated 10/100-Mb/s Ethernet MAC with IEEE 802.3 compliance - deployed in professional video surveillance encoders and broadcast infrastructure.

For engineers reviewing the TMS320DM642AGDKA5 datasheet, TMS320DM642AGDKA5 pinout, TMS320DM642AGDKA5 application, or TMS320DM642AGDKA5 equivalent, this page delivers verified architecture details, validated peripheral timing behavior, confirmed BGA-548 (GDK) package mapping, and real-world video/audio synchronization use cases - all grounded in TI's SPRS200N revision October 2010 documentation.

Technical Context

The TMS320DM642AGDKA5 implements the VelociTI.2™ VLIW architecture with eight functional units (six ALUs, two multipliers), 64 × 32-bit general-purpose registers, and dual-register-file data paths enabling quad-8-bit and dual-16-bit parallel arithmetic per cycle. Its L1/L2 memory hierarchy includes 16KB direct-mapped L1P cache, 16KB 2-way set-associative L1D cache, and 256KB flexible L2 RAM/cache with programmable allocation.

Peripherals are tightly coupled to the core via dedicated high-bandwidth buses: the 64-bit EMIFA supports SDRAM, ZBT SRAM, and FIFOs at 133 MHz; the EDMA controller provides 64 independent channels with QoS-aware transfers; and the McASP0 supports eight serial data pins with simultaneous S/PDIF and I2S formatting - all synchronized through a flexible PLL generating CPU, EMIF, and peripheral clocks from a single input.

Key Specifications

Pinout & Package

548-pin Ball Grid Array (BGA) package with 0.8-mm ball pitch, 23 × 23 mm body size, and GDK suffix designation - designed for high-density PCB layouts with controlled impedance routing for EMIF and video port signals.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar video/imaging DSP applications.

Compared with TMS320DM642AGDKA5, the DM6437ZWT sacrifices Ethernet and PCI for ARM co-processing, while the DM6446ZWT replaces configurable video ports with fixed-function codec blocks - making neither suitable as drop-in replacements in existing DM642-based video infrastructure designs requiring glueless BT.656 interfacing and deterministic EMAC throughput.

Availability

TMS320DM642AGDKA5 is available at Aetrix Electronics and suitable for professional video encoder development, IP-based surveillance system production, and broadcast video processing equipment requiring stable component supply across extended product lifecycles.

Supply support for TMS320DM642AGDKA5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of leadership in DSP innovation and industrial-grade reliability.

The TMS320DM642AGDKA5 belongs to TI's C6000™ DSP platform, specifically engineered for high-throughput video and imaging workloads - emphasizing real-time processing, peripheral integration, and deterministic timing for broadcast, security, and medical imaging systems.

FAQ

What clock frequencies does the TMS320DM642AGDKA5 support?

The TMS320DM642AGDKA5 operates at 500 MHz, 600 MHz, or 720 MHz CPU frequencies, corresponding to 2-ns, 1.67-ns, and 1.39-ns instruction cycle times. These are achieved via internal PLL multiplication (x6 or x12) of a 27-MHz CLKIN source. The TMS320DM642AGDKA5 datasheet specifies that the -720 variant delivers 5760 MIPS and supports 133-MHz EMIF timing for SDRAM interfacing.

Does the TMS320DM642AGDKA5 include on-chip memory for program and data storage?

Yes, the TMS320DM642AGDKA5 integrates 16KB L1P program cache (direct-mapped), 16KB L1D data cache (2-way set-associative), and 256KB L2 unified memory that can be partitioned as RAM, cache, or mixed allocation. This L2 memory serves as the primary working space for video frame buffers and algorithm state variables in TMS320DM642AGDKA5-based systems.

How many video ports does the TMS320DM642AGDKA5 provide, and what standards do they support?

The TMS320DM642AGDKA5 provides three fully configurable video ports (VP0, VP1, VP2), each supporting both capture and display modes with dual-channel 5120-byte buffers. They natively interface with CCIR601, ITU-R BT.656, BT.1120, SMPTE 260M/274M/296M, and other broadcast video standards - enabling glueless connection to industry-standard decoder and encoder ICs.

Is the TMS320DM642AGDKA5 compatible with PCI and Ethernet interfaces?

Yes, the TMS320DM642AGDKA5 includes a 32-bit/66-MHz PCI master/slave interface compliant with specification v2.2, and a full-featured 10/100-Mb/s Ethernet MAC with MII and MDIO support. Both interfaces are implemented in hardware and require no external glue logic - the TMS320DM642AGDKA5 handles packet assembly, DMA transfers, and PHY link management autonomously.

What is the package type and pin count of the TMS320DM642AGDKA5?

The TMS320DM642AGDKA5 uses a 548-pin Ball Grid Array (BGA) package with GDK suffix, measuring 23 × 23 mm with 0.8-mm ball pitch. This matches TI's standard footprint for the DM642 family and ensures mechanical and thermal compatibility with existing reference designs and PCB tooling.