Texas Instruments OMAPL132EZWTA2R

Overview

OMAPL132EZWTA2R from Texas Instruments is a dual-core C6000™ DSP + ARM® applications processor integrating a 200-MHz ARM926EJ-S RISC MPU and a 200-MHz C674x fixed- and floating-point VLIW DSP. It delivers 1600 MIPS and 1200 MFLOPS, features 256KB L2 unified RAM/cache, 128KB shared SRAM, and supports DDR2/mDDR memory up to 156 MHz - deployed in industrial portable navigation and smart grid substation protection systems.

For engineers reviewing the OMAPL132EZWTA2R datasheet, OMAPL132EZWTA2R pinout, OMAPL132EZWTA2R application, or OMAPL132EZWTA2R equivalent, key selection criteria include dual-core deterministic real-time processing, secure boot (AES-128/SHA-256), EMAC+USB2.0 OTG+McASP connectivity, and 361-ball PBGA package compatibility with industrial thermal and EMI constraints.

Technical Context

The OMAPL132EZWTA2R implements a tightly coupled heterogeneous architecture: the ARM926EJ-S core handles OS services and UI tasks using 16KB I-cache and 16KB D-cache, while the C674x DSP executes signal-intensive workloads with 32KB L1P/L1D caches and IEEE SP/DP floating-point support. Both cores share access to 256KB L2 memory and 128KB dedicated SRAM without performance contention.

Its subsystem-level integration includes EDMA3 with 64 independent DMA channels for zero-CPU data movement, PRUSS with two 32-bit RISC coprocessors (4KB IRAM + 512B DRAM each), and hardware-accelerated peripherals including eHRPWM (6 dual-edge symmetric outputs), eCAP (32-bit timestamp capture), and dual McBSPs supporting AC97 and ST-Bus telecom interfaces.

Key Specifications

Pinout & Package

OMAPL132EZWTA2R is housed in a 361-ball Pb-free NFBGA (ZWT suffix) package with 0.80-mm ball pitch and 16.0 mm × 16.0 mm body size. Thermal performance is characterized per JEDEC JESD51-2, with θ_JA = 29.5°C/W under standard 4-layer board conditions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core DSP+ARM applications.

Compared with OMAPL132EZWTA2R, OMAPL138EZWTA2 offers doubled L2 capacity for memory-constrained DSP algorithms, while AM1808BZWT4 trades DSP capability for ARM-centric efficiency and lower BOM cost - making the OMAPL132EZWTA2R optimal for balanced compute-intensive embedded systems requiring both RISC control and VLIW signal acceleration.

Availability

OMAPL132EZWTA2R is available at Aetrix Electronics and suitable for industrial portable navigation, smart grid substation protection, biometric identification, professional mobile radio, and industrial automation applications requiring stable component supply across extended product lifecycles.

Supply support for OMAPL132EZWTA2R 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 digital signal processing technologies, with over 90 years of innovation in industrial, automotive, and communications markets.

The OMAP-L132 product line targets cost-sensitive, power-efficient embedded applications demanding deterministic dual-core performance - specifically designed for industrial control, energy infrastructure, and portable instrumentation where real-time signal processing and OS-hosted connectivity must coexist.

FAQ

What is the maximum DDR2 clock frequency supported by OMAPL132EZWTA2R?

OMAPL132EZWTA2R supports DDR2 memory operation up to 156 MHz, corresponding to 312 MT/s data rate on its 16-bit bus. This is specified in the device's Production Data sheet SPRS762E (Section 3.1, Table 3-1) and validated under recommended operating conditions with 1.8-V I/O supply. The DDR2 controller includes programmable timing registers to accommodate commercial and industrial-grade modules.

Does OMAPL132EZWTA2R include hardware cryptographic acceleration?

OMAPL132EZWTA2R does not integrate dedicated cryptographic accelerators (e.g., AES engines or SHA units) beyond those used exclusively for Basic Secure Boot. Its security implementation relies on on-chip AES-128/SHA-256 engines that operate only during boot image validation and decryption - they are not accessible to runtime software. Application-level crypto must be performed in software on the ARM926EJ-S or C674x cores.

Can the PRU subsystem in OMAPL132EZWTA2R access DDR2 memory directly?

No - the PRU subsystem in OMAPL132EZWTA2R cannot access DDR2 memory directly. PRU cores are limited to their local 4KB instruction RAM and 512B data RAM, plus shared resources on the internal switch fabric (e.g., EMIF, McASP, GPIO). DDR2 access requires arbitration through the EMIF controller and is managed exclusively by the ARM926EJ-S, C674x DSP, or EDMA3 - ensuring memory coherency and protection.

What is the function of the 128KB shared RAM in OMAPL132EZWTA2R?

The 128KB shared RAM in OMAPL132EZWTA2R is a dedicated on-chip SRAM block accessible by the ARM926EJ-S, C674x DSP, and EDMA3 controller without contention for L2 memory bandwidth. It is commonly used for inter-processor communication buffers, real-time audio sample staging, or critical ISR data structures - providing deterministic <10-ns access latency independent of cache state or L2 arbitration delays.

Is OMAPL132EZWTA2R pin-compatible with OMAPL137 or OMAPL138?

Yes - OMAPL132EZWTA2R is pin-compatible with OMAPL137ZWT and OMAPL138EZWTA2 in the 361-ball ZWT package. All three share identical ball mapping, power sequencing requirements, and I/O voltage configurations. However, functional differences exist: OMAPL137 lacks DDR2/mDDR support and has reduced L2 (128KB), while OMAPL138 doubles L2 to 512KB and increases ROM to 256KB - requiring firmware validation for drop-in replacement.