Offered by Texas Instruments, the OMAP-L138 C6000 DSP+ARM Processor is a dual-core System-on-Chip (SoC) integrating a 375-and 456-MHz ARM926EJ-STM RISC MPU and a 375- and 456-MHz C674x VLIW DSP. Announced in June 2009 and revised in March 2014, this processor supports numerous features making it suitable for applications that require a combination of high-performance signal processing and efficient control processing.
Key Features
The OMAP-L138 boasts a versatile feature set including a 32KB Level 1 Program Cache, 32KB Level 1 Data Cache, and 256KB of unified Level 2 Mapped Cache, with flexible partitioning. The ARM core is equipped with a 16KB Instruction Cache, 16KB Data Cache, and 8KB of RAM for the vector table. The processor’s ARM926EJ-S core also supports Thumb® instructions, incorporating Jazelle® technology and an embedded ICE-RTTM for real-time debugging. The device’s DSP core offers high performance with up to 3648 MIPS and 2746 MFLOPS, accompanied by comprehensive instruction extensions and a robust set of mathematical capabilities.
Memory and Power Management
With a versatile array of memory options, including support for DDR2 and Mobile DDR SDRAM up to 256-MB address space, the OMAP-L138 caters to various design requirements. Its advanced power-management capabilities include clock gating and a low-power Software Support feature for the PRUSS.
Connectivity and Interfaces
Connectivity is a strong suit of the OMAP-L138 with a rich set of peripherals, including three UART modules, two SPIs, and two MMC/SD card interfaces. It also features an Ethernet MAC supporting both the IEEE standard MII and RMII interfaces, USB support with OHCI and OTG capabilities, Audio Interfaces such as McASP and McBSP, a Video Port Interface, SATA controller, as well as a Real-Time Clock.
Expandability and Performance
The OMAP-L138 is highly expandable with a Programmable Real-Time Unit Subsystem (PRUSS) and an array of integrated circuits and timers that support countless application scenarios. The embedded High-Resolution Pulse Width Modulators and Enhanced Capture modules enable precision control for embedded systems.
Packaging and Operating Ranges
Available in multiple package options, including a 361-Ball Pb-Free Plastic Ball Grid Array, the OMAP-L138 can perform within commercial, extended, or industrial temperature ranges, offering flexibility for various environmental conditions.
Applications
These features make the OMAP-L138 a prime choice for applications in telecommunications, audio processing, and industrial control, making it an ideal solution for designers looking for a single-chip approach to managing complex signal and control processing tasks.
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