Overview
The TMS5704357BZWTQQ1 is a high-performance, automotive-grade microcontroller from Texas Instruments, part of the Hercules TMS570 series. This 16/32-bit RISC Flash MCU is based on the ARM Cortex-R5F architecture, featuring dual CPUs operating in lockstep mode. It is designed to meet the demanding requirements of safety-critical applications, particularly in the automotive and industrial sectors. The microcontroller is equipped with advanced diagnostic capabilities, including Built-In Self-Test (BIST) logic and ECC protection on various memory types, ensuring high reliability and performance.
Key Specifications
| Specification | Details |
|---|---|
| Processor | Dual ARM Cortex-R5F 32-bit RISC CPUs, operating in lockstep mode |
| Maximum Clock Speed | Up to 300 MHz |
| Performance | Up to 498 DMIPS, 1.66 DMIPS/MHz |
| Memory | 4MB integrated flash, 512KB data RAM |
| Memory Protection | ECC protection on flash, RAM, and peripheral memories |
| Supply Voltage | Core supply voltage (VCC): 1.14 to 1.32 V, I/O supply voltage (VCCIO): 3.0 to 3.6 V |
| Package | NFBGA (337 terminals), 16.00 mm × 16.00 mm |
| Analog-to-Digital Converters | Two 12-bit Multibuffered Analog-to-Digital Converter (MibADC) modules |
| Timers | Two Next-Generation High-End Timer (N2HET) modules |
| Communication Interfaces | Multiple interfaces including UART, LIN, CAN, EMAC, FlexRay |
Key Features
- High-Performance Automotive-Grade: Designed for safety-critical applications in the automotive sector.
- ARM Cortex-R5F 32-Bit RISC CPU: Dual CPUs operating in lockstep mode for enhanced reliability.
- Advanced Diagnostic Capabilities: Includes BIST logic for CPUs and N2HET coprocessors, and ECC protection on various memory types.
- Frequency-Modulated Phase-Locked Loop (FMPLL): With a built-in slip detector for stable clock generation.
- Advanced JTAG Security Module (AJSM): Provides enhanced security features against unauthorized access.
- Trace and Calibration Capabilities: Includes ETM, RTP, DMM, and POM for advanced trace and calibration functions.
- Multiple Communication Interfaces: Supports various communication protocols such as UART, LIN, CAN, EMAC, and FlexRay.
- Next-Generation High-End Timer (N2HET) Modules: Provides advanced timing capabilities for real-time control applications.
- 12-Bit Multibuffered Analog-to-Digital Converter (MibADC) Modules: For precise analog-to-digital conversion.
- Enhanced Timing Peripherals: Includes ePWM and eCAP modules for real-time control applications.
- On-Die Temperature Sensors: Three temperature sensors for optimal thermal management.
Applications
- Hybrid Electric Vehicle (HEV) and Electric Vehicle (EV) Inverter Systems: Controls power electronics for efficient power conversion and management.
- Battery-Management Systems (BMS): Monitors and controls the charging and discharging of batteries in electric vehicles and other battery-powered systems.
- Active Driver Assistance Systems: Used in various safety-critical systems in vehicles.
- Railway Communications Systems: Implements control and monitoring functions for railway signaling, communication, and control systems.
- Off-road Vehicles: Used in construction equipment, agricultural machinery, and recreational vehicles for engine management, hydraulic systems, and other vehicle systems.
Q & A
- What is the TMS5704357BZWTQQ1 microcontroller based on?
The TMS5704357BZWTQQ1 is based on the ARM Cortex-R5F architecture.
- What is the maximum clock speed of the TMS5704357BZWTQQ1?
The maximum clock speed is up to 300 MHz.
- How much integrated flash and RAM does the TMS5704357BZWTQQ1 have?
The device has 4MB of integrated flash and 512KB of data RAM.
- What kind of memory protection does the TMS5704357BZWTQQ1 offer?
The device offers ECC protection on flash, RAM, and peripheral memories.
- What are the supply voltage requirements for the TMS5704357BZWTQQ1?
The core supply voltage (VCC) ranges from 1.14 to 1.32 V, and the I/O supply voltage (VCCIO) ranges from 3.0 to 3.6 V.
- What types of communication interfaces does the TMS5704357BZWTQQ1 support?
The device supports multiple interfaces including UART, LIN, CAN, EMAC, and FlexRay.
- What are the advanced diagnostic capabilities of the TMS5704357BZWTQQ1?
The device includes BIST logic for CPUs and N2HET coprocessors, and ECC protection on various memory types.
- What are the applications of the TMS5704357BZWTQQ1 in the automotive sector?
The device is used in HEV and EV inverter systems, battery-management systems, active driver assistance systems, and off-road vehicles.
- Does the TMS5704357BZWTQQ1 have any security features?
Yes, it includes an Advanced JTAG Security Module (AJSM) for enhanced security.
- What kind of timing capabilities does the TMS5704357BZWTQQ1 offer?
The device features two Next-Generation High-End Timer (N2HET) modules and enhanced timing peripherals.
