Overview
The TMS570LS3137-EP, produced by Texas Instruments, is a high-performance 16- and 32-bit RISC flash microcontroller designed for safety-critical applications. This microcontroller features the ARM Cortex-R4F 32-bit RISC CPU, which provides efficient processing with up to 1.66 DMIPS/MHz and a maximum system clock frequency of 180 MHz. The device is part of the Hercules family and is known for its robust safety architecture, including dual CPUs in lockstep, CPU and memory built-in self-test (BIST) logic, and ECC on both flash and data SRAM. It is widely used in automotive, aerospace, medical, and industrial applications where reliability and real-time control are paramount.
Key Specifications
| Parameter | Description |
|---|---|
| Core Processor | ARM Cortex-R4F 32-bit RISC CPU |
| System Clock Frequency | Up to 180 MHz |
| Program Flash | 3MB with ECC |
| RAM | 256KB with ECC |
| Temperature Range | –40°C to 125°C (TMS5703137CGWTQEP), –55°C to 125°C (TMS5703137CGWTMEP) |
| Package | 337-Ball Grid Array (NFBGA) |
| Communication Interfaces | 10/100 Mbps Ethernet MAC (EMAC), FlexRay, CAN, LIN, I2C, SPI, SCI |
| Analog-to-Digital Converters (ADCs) | Two 12-bit ADCs with up to 24 and 16 channels respectively |
| Timer Modules | Two Next Generation High-End Timer (N2HET) modules |
| Interrupt Module | 96-Channel Vectored Interrupt Module (VIM) |
| DMA Controller | 16 channels, 32 control packets with parity protection |
Key Features
- Embedded Trace Macrocell (ETM-R4) and RAM Trace Port (RTP)
- Data Modification Module (DMM) and Parameter Overlay Module (POM)
- Dual CPUs running in lockstep for enhanced safety
- ECC on flash and RAM interfaces, and parity protection for peripheral memories
- IEEE 802.3 compliant 10/100 Mbps Ethernet MAC (EMAC)
- FlexRay controller with two channels
- Three CAN controllers (DCANs) compliant to CAN Protocol Version 2.0B
- Local Interconnect Network (LIN) interface controller
- Two high-end timer modules (N2HETs) with programmable channels
- Real-Time Interrupt Timer (RTI) and OS Timer
- Direct Memory Access (DMA) controller with 16 channels and 32 control packets
- Integrated safety features including CPU and memory BIST logic
Applications
- Braking Systems (Antilock Brake Systems and Electronic Stability Control)
- Electric Power Steering
- HEV and EV Inverter Systems
- Battery Management Systems
- Active Driver Assistance Systems
- Aerospace and Avionics
- Railway Communications
- Off-road Vehicles
Q & A
- What is the core processor of the TMS570LS3137-EP?
The core processor is the ARM Cortex-R4F 32-bit RISC CPU.
- What is the maximum system clock frequency of the TMS570LS3137-EP?
The maximum system clock frequency is up to 180 MHz.
- How much program flash and RAM does the TMS570LS3137-EP have?
The device has 3MB of program flash and 256KB of RAM, both with ECC.
- What are the temperature ranges for the TMS5703137CGWTQEP and TMS5703137CGWTMEP?
The TMS5703137CGWTQEP operates from –40°C to 125°C, while the TMS5703137CGWTMEP operates from –55°C to 125°C.
- What types of communication interfaces does the TMS570LS3137-EP support?
The device supports 10/100 Mbps Ethernet MAC (EMAC), FlexRay, CAN, LIN, I2C, SPI, and SCI.
- How many and what type of ADCs are integrated into the TMS570LS3137-EP?
The device includes two 12-bit ADCs with up to 24 and 16 channels respectively.
- What safety features are integrated into the TMS570LS3137-EP?
The device features dual CPUs in lockstep, CPU and memory BIST logic, ECC on flash and RAM, and parity protection for peripheral memories.
- What is the purpose of the Parameter Overlay Module (POM) in the TMS570LS3137-EP?
The POM allows parameters and tables to be dynamically calibrated against production code without rebuilding the code or halting the processor.
- What are some of the key applications for the TMS570LS3137-EP?
Key applications include braking systems, electric power steering, HEV and EV inverter systems, battery management systems, and aerospace and avionics.
- What is the package type of the TMS5703137CGWTQEP?
The package type is a 337-Ball Grid Array (NFBGA).
