Overview
The OMAP-L137DZKBA3 is a low-power applications processor developed by Texas Instruments. This device is part of the OMAP-L137 series and features a dual-core architecture, combining an ARM926EJ-S RISC processor core with a TMS320C674x 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 | ARM: 375 MHz (1.2V), 456 MHz (1.3V); DSP: 375 MHz (1.2V), 456 MHz (1.3V) |
| Memory | ARM: 16KB I-Cache, 16KB D-Cache, 8KB RAM (Vector Table), 64KB ROM; DSP: 32KB L1 Data Cache, 256KB Unified Mapped RAM/Cache (L2) |
| External Memory Interfaces | EMIFA: 16/32-bit, up to 256MB SDRAM; EMIFB: 16-bit, up to 128MB SDRAM, NOR, NAND, Flash |
| Peripherals | 10/100 Mbps Ethernet MAC, 2x I2C, 2x SPI, 3x UART, 3x McASP, USB 1.1/2.0, HPI, PRUSS |
| Package | 256-Ball Pb-Free Plastic Ball Grid Array (PBGA), 17 mm x 17 mm, 1 mm pitch |
| Operating Temperature | Commercial, Industrial, Extended, or Automotive |
| Max Junction Temperature | 105 °C |
Key Features
- Dual-core architecture with ARM926EJ-S RISC MPU and TMS320C674x VLIW DSP
- Supports up to four single-precision additions per clock and two floating-point reciprocal approximation operations per cycle
- 10/100 Mbps Ethernet MAC (EMAC) with RMII and MDIO interfaces
- Programmable Real-Time Unit Subsystem (PRUSS) with two independent PRU cores
- Three multichannel audio serial ports (McASPs) supporting TDM, I2S, and similar formats
- 32-bit load and store RISC architecture with DSP instruction extensions
- On-chip memory includes 16KB instruction and data caches for ARM, and 32KB L1 data cache for DSP
- Support for MMC, SD, and SDIO cards
- Real-time clock with 32-kHz oscillator and separate power rail
Applications
- A/V Receivers
- Home Theatre Systems
- Automotive Amplifiers
- Professional Audio
- Soundbars
- Network Streaming Audio
Q & A
- What are the core frequencies of the OMAP-L137DZKBA3?
The core frequencies are 375 MHz at 1.2V and 456 MHz at 1.3V for both the ARM926EJ-S and TMS320C674x DSP cores.
- What types of memory interfaces does the OMAP-L137DZKBA3 support?
The device supports EMIFA for up to 256MB SDRAM and EMIFB for up to 128MB SDRAM, NOR, NAND, and Flash.
- What peripherals are available on the OMAP-L137DZKBA3?
The device includes 10/100 Mbps Ethernet MAC, I2C, SPI, UART, McASP, USB 1.1/2.0, HPI, and PRUSS.
- What is the package type and size of the OMAP-L137DZKBA3?
The package is a 256-Ball Pb-Free Plastic Ball Grid Array (PBGA) with a size of 17 mm x 17 mm and a 1 mm pitch.
- What are the operating temperature ranges for the OMAP-L137DZKBA3?
The device operates in commercial, industrial, extended, or automotive temperature ranges.
- What is the maximum junction temperature for the OMAP-L137DZKBA3?
The maximum junction temperature is 105 °C.
- Does the OMAP-L137DZKBA3 support audio interfaces?
Yes, it supports three multichannel audio serial ports (McASPs) with TDM, I2S, and similar formats.
- What development tools are available for the OMAP-L137DZKBA3?
The device has a complete set of development tools including C compilers, DSP assembly optimizer, and a Windows debugger interface.
- Can the OMAP-L137DZKBA3 be used in safety-critical applications?
Texas Instruments recommends that these devices not be used in safety-critical applications.
- What is the purpose of the PRUSS in the OMAP-L137DZKBA3?
The PRUSS (Programmable Real-Time Unit Subsystem) includes two independent PRU cores for real-time processing tasks.
