Overview
The OMAP-L138EZCEA3R is a low-power applications processor developed by Texas Instruments. It is part of the OMAP-L138 series, which integrates an ARM926EJ-S RISC MPU and a C674x fixed- and floating-point VLIW DSP core. This dual-core SoC is designed to provide high performance while maintaining low power consumption, making it suitable for a variety of applications that require both processing and signal processing capabilities.
Key Specifications
| Characteristic | Description |
|---|---|
| CPU Cores | ARM926EJ-S RISC MPU and C674x DSP core |
| CPU Frequency | 375 MHz (1.2V) or 456 MHz (1.3V) for both ARM and DSP cores |
| Memory | 128KB of shared RAM, 16KB of instruction cache, 16KB of data cache, 8KB of RAM (vector table) |
| External Memory Interfaces | EMIFA (asynchronous and SDRAM), DDR2/Mobile DDR controller with up to 256MB address space |
| USB Interfaces | One USB 2.0 OTG interface, one USB 1.1 OHCI host interface |
| Serial Interfaces | Two I2C, two SPI, three UART, one multichannel audio serial port (McASP), two multichannel buffered serial ports (McBSP) |
| Ethernet | 10/100 Mbps Ethernet MAC (EMAC) with MII and RMII interfaces |
| Package | 361-ball Pb-Free Plastic Ball Grid Array (PBGA) with 0.65-mm ball pitch |
| Operating Temperature | Commercial, Extended, or Industrial temperature ranges |
Key Features
- Dual-core architecture with ARM926EJ-S and C674x DSP cores for balanced processing and signal processing.
- Low power consumption with various power-saving modes.
- Integrated peripherals including USB, Ethernet, SATA, and multiple serial interfaces.
- Enhanced high-resolution pulse width modulators (eHRPWM) and capture modules (eCAP).
- Real-time clock (RTC) with separate power rail and 32-kHz oscillator.
- Support for various memory types including DDR2, Mobile DDR, and external memory interfaces.
- High-speed parallel interface through the Universal Parallel Port (uPP).
- Video Port Interface (VPIF) for video capture and display.
Applications
- Professional or Private Mobile Radio (PMR)
- Remote Radio Unit (RRU) and Remote Radio Head (RRH)
- Industrial Automation
- Currency Inspection and Biometric Identification
- Machine Vision (low-end)
- Smart Grid Substation Protection
- Industrial Portable Navigation Devices
Q & A
- What are the core components of the OMAP-L138 processor?
The OMAP-L138 processor includes an ARM926EJ-S RISC MPU and a C674x fixed- and floating-point VLIW DSP core.
- What are the operating frequencies of the CPU cores?
The CPU cores operate at 375 MHz (1.2V) or 456 MHz (1.3V).
- What types of memory interfaces does the OMAP-L138 support?
The OMAP-L138 supports EMIFA, DDR2, and Mobile DDR memory interfaces.
- Does the OMAP-L138 have integrated USB interfaces?
Yes, it includes one USB 2.0 OTG interface and one USB 1.1 OHCI host interface.
- What is the purpose of the Universal Parallel Port (uPP) in the OMAP-L138?
The uPP provides a high-speed parallel interface to FPGAs and data converters.
- What are the key features of the Ethernet MAC in the OMAP-L138?
The Ethernet MAC supports 10/100 Mbps with MII and RMII interfaces and includes a management data I/O (MDIO) module.
- Can the OMAP-L138 be used in industrial applications?
Yes, it is suitable for industrial automation and other industrial applications due to its robust feature set and low power consumption.
- What is the package type of the OMAP-L138EZCEA3R?
The package type is a 361-ball Pb-Free Plastic Ball Grid Array (PBGA) with a 0.65-mm ball pitch.
- Does the OMAP-L138 support real-time clock functionality?
Yes, it includes a real-time clock (RTC) with a separate power rail and a 32-kHz oscillator.
- What are the operating temperature ranges for the OMAP-L138?
The OMAP-L138 operates in commercial, extended, or industrial temperature ranges.
