Overview
The OMAPL138BZWTA3 is a low-power applications processor developed by Texas Instruments. It is part of the OMAP-L138 series and integrates both an ARM926EJ-S RISC MPU and a C674x fixed- and floating-point VLIW DSP core. This dual-core SoC is designed to provide high processing capabilities while maintaining low power consumption, making it suitable for a wide range of applications.
The processor includes a rich set of peripherals and interfaces, such as USB, Ethernet, and various serial ports, which enable it to control external devices and communicate with other processors efficiently. The device is available in a 361-ball Pb-Free Plastic Ball Grid Array (PBGA) package and supports commercial, extended, or industrial temperature ranges.
Key Specifications
| Characteristic | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | OMAPL138BZWTA3 |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) [ZWT Suffix], 0.80-mm Ball Pitch |
| Cores | Dual-Core: ARM926EJ-S RISC MPU, C674x DSP |
| Maximum Clock Frequency | 375 MHz (1.2V) or 456 MHz (1.3V) for both ARM and DSP cores |
| L1 Cache Instruction Memory | 16 kB for ARM, 32 kB for DSP |
| L1 Cache Data Memory | 16 kB for ARM, 32 kB for DSP |
| Data RAM Size | 8 kB + 128 kB shared memory |
| I/O Voltage | 1.8 V or 3.3 V (except for USB and DDR2 interfaces) |
| Interface Type | I2C, Parallel, SPI, USB 1.1 OHCI, USB 2.0 OTG |
| Ethernet MAC | 10/100 Mbps, IEEE 802.3 compliant |
| Operating Temperature Range | -40°C to 105°C (Industrial), -40°C to 90°C, 0°C to 90°C |
| Security Features | Device identity, Memory protection, Secure boot |
Key Features
- Dual-Core Architecture: Combines an ARM926EJ-S RISC MPU with a C674x fixed- and floating-point VLIW DSP core.
- Peripheral Set: Includes 10/100 Mbps Ethernet MAC, USB 1.1 OHCI and USB 2.0 OTG interfaces, multichannel audio serial port (McASP), multichannel buffered serial ports (McBSPs), and serial peripheral interfaces (SPIs).
- Memory and Storage: Supports external memory interfaces such as EMIFA, NOR, NAND, SDRAM, and DDR2/Mobile DDR memory controllers.
- Timers and Counters: Three 64-bit general-purpose timers, one 64-bit general-purpose or watchdog timer, and enhanced capture modules.
- Pulse Width Modulators: Two enhanced high-resolution pulse width modulators (eHRPWMs) with dedicated 16-bit time-base counter and various output configurations.
- Video and Audio Interfaces: Video port interface (VPIF) for flexible video I/O, and support for TDM, I2S, and similar audio formats.
- Power Management: Low power consumption with clock gating, power management mechanisms, and support for SATA power-management features.
Applications
- Professional or Private Mobile Radio (PMR): Suitable for radio communication systems.
- Remote Radio Unit (RRU) and Remote Radio Head (RRH): Used in wireless communication infrastructure.
- Industrial Automation: For control and monitoring in industrial environments.
- Currency Inspection and Biometric Identification: For secure identification and verification systems.
- Machine Vision (Low-End): For basic machine vision applications.
- Smart Grid Substation Protection: For monitoring and control in smart grid systems.
- Industrial Portable Navigation Devices: For navigation and positioning in industrial settings.
Q & A
- What are the core components of the OMAPL138BZWTA3 processor?
The OMAPL138BZWTA3 features a dual-core architecture with an ARM926EJ-S RISC MPU and a C674x fixed- and floating-point VLIW DSP core.
- What are the maximum clock frequencies for the ARM and DSP cores?
The maximum clock frequencies are 375 MHz (1.2V) or 456 MHz (1.3V) for both ARM and DSP cores.
- What types of memory interfaces does the OMAPL138BZWTA3 support?
The device supports external memory interfaces such as EMIFA, NOR, NAND, SDRAM, and DDR2/Mobile DDR memory controllers.
- What are the key peripheral interfaces available on the OMAPL138BZWTA3?
The key peripheral interfaces include 10/100 Mbps Ethernet MAC, USB 1.1 OHCI and USB 2.0 OTG, McASP, McBSPs, and SPIs.
- What are the power management features of the OMAPL138BZWTA3?
The device features low power consumption with clock gating, power management mechanisms, and support for SATA power-management features.
- What are the operating temperature ranges for the OMAPL138BZWTA3?
The operating temperature ranges are -40°C to 105°C (Industrial), -40°C to 90°C, and 0°C to 90°C.
- What security features does the OMAPL138BZWTA3 include?
The device includes security features such as device identity, memory protection, and secure boot.
- What types of applications is the OMAPL138BZWTA3 suitable for?
The OMAPL138BZWTA3 is suitable for applications such as professional or private mobile radio, remote radio units, industrial automation, currency inspection, biometric identification, machine vision, smart grid substation protection, and industrial portable navigation devices.
- What is the package type and size of the OMAPL138BZWTA3?
The device is packaged in a 361-ball Pb-Free Plastic Ball Grid Array (PBGA) [ZWT Suffix] with a 0.80-mm ball pitch.
- Does the OMAPL138BZWTA3 support real-time operating systems?
Yes, the OMAPL138BZWTA3 supports real-time operating systems (RTOS) and Linux.
