Overview
The OMAP-L137DZKBD4 is a low-power applications processor developed by Texas Instruments. This device is part of the OMAP-L137 series and is characterized by its dual-core architecture, combining an ARM926EJ-S RISC MPU and a TMS320C674x VLIW DSP core. This integration provides the benefits of both DSP and RISC technologies, enabling robust operating systems support, rich user interfaces, and high processing performance. The OMAP-L137 is designed to consume significantly lower power compared to other members of the TMS320C6000 platform of DSPs, making it suitable for a variety of applications requiring high performance and low power consumption.
Key Specifications
| Feature | Specification |
|---|---|
| Processor Cores | ARM926EJ-S RISC MPU, TMS320C674x VLIW DSP |
| Core Frequencies | ARM926EJ-S: 375 MHz (1.2V) or 456 MHz (1.3V) DSP: 375 MHz (1.2V) or 456 MHz (1.3V) |
| Memory | ARM: 16KB I-Cache, 16KB D-Cache, 8KB RAM (Vector Table), 64KB ROM DSP: 32KB L1 Program Cache, 32KB L1 Data Cache, 256KB Unified Mapped RAM/Cache (L2) |
| Peripherals | 10/100 Mbps Ethernet MAC, 2x I2C, 2x SPI, 3x UART, 3x Multichannel Audio Serial Ports (McASPs), 2x 64-Bit General-Purpose Timers, Programmable Real-Time Unit Subsystem (PRUSS) |
| Package | 256-Ball Pb-Free Plastic Ball Grid Array (PBGA), 17 mm x 17 mm, 1 mm pitch |
| Voltage | Core: 1.2V / 1.3V, I/O: 3.3 V / 1.8 V (1.8 V for USB only) |
Key Features
- Dual-core architecture with ARM926EJ-S RISC MPU and TMS320C674x VLIW DSP core.
- Supports up to four single-precision additions per clock and two floating-point reciprocal approximation operations per cycle.
- 10/100 Mbps Ethernet MAC with RMII and MDIO interfaces.
- Two master and slave I2C buses, two SPI ports, and three UARTs with one having RTS and CTS flow control.
- Three multichannel audio serial ports (McASPs) supporting TDM, I2S, and similar formats.
- Programmable Real-Time Unit Subsystem (PRUSS) with two independent PRU cores.
- 64-bit general-purpose timers and watchdog timers.
- Enhanced pulse width modulators and eQEP modules.
- Support for MMC and SD cards through the EMIFA interface.
Applications
- A/V receivers and home theatre systems.
- Automotive amplifiers and professional audio equipment.
- Soundbars and network streaming audio devices.
- Industrial and extended temperature range applications.
Q & A
- What is the OMAP-L137DZKBD4 processor based on?
The OMAP-L137DZKBD4 is based on a dual-core architecture, combining an ARM926EJ-S RISC MPU and a TMS320C674x VLIW DSP core. - What are the core frequencies of the OMAP-L137DZKBD4?
The core frequencies are 375 MHz (1.2V) or 456 MHz (1.3V) for both the ARM926EJ-S and the DSP cores. - What type of memory does the OMAP-L137DZKBD4 have?
The device includes 16KB I-Cache, 16KB D-Cache, 8KB RAM (Vector Table), and 64KB ROM for the ARM core, and 32KB L1 Program Cache, 32KB L1 Data Cache, and 256KB Unified Mapped RAM/Cache (L2) for the DSP core. - What peripherals are supported by the OMAP-L137DZKBD4?
The device supports 10/100 Mbps Ethernet MAC, I2C, SPI, UART, multichannel audio serial ports (McASPs), general-purpose timers, and a programmable real-time unit subsystem (PRUSS). - What is the package type of the OMAP-L137DZKBD4?
The package is a 256-Ball Pb-Free Plastic Ball Grid Array (PBGA), 17 mm x 17 mm, with a 1 mm pitch. - What are the typical applications of the OMAP-L137DZKBD4?
Typical applications include A/V receivers, home theatre systems, automotive amplifiers, professional audio equipment, soundbars, and network streaming audio devices. - Does the OMAP-L137DZKBD4 support any specific audio formats?
Yes, it supports TDM, I2S, and similar audio formats through its multichannel audio serial ports (McASPs). - What is the role of the Programmable Real-Time Unit Subsystem (PRUSS) in the OMAP-L137DZKBD4?
The PRUSS includes two independent PRU cores that can be used for real-time processing and can be disabled via software to save power. - Does the OMAP-L137DZKBD4 have any specific power management features?
Yes, it has various power management features including different voltage levels for the core and I/O, and the ability to disable certain subsystems to save power. - What development tools are available for the OMAP-L137DZKBD4?
The device has a complete set of development tools including C compilers, a DSP assembly optimizer, and a Windows debugger interface. - Is the OMAP-L137DZKBD4 suitable for industrial and automotive applications?
Yes, it is suitable for industrial, extended, and automotive temperature ranges.
