Overview
The LM3S9B92 microcontroller, produced by Texas Instruments, is a high-performance embedded microcontroller based on the ARM Cortex-M3 processor core. It is designed for real-time embedded applications and offers a robust set of features and peripherals, making it suitable for a wide range of industrial and commercial uses. The microcontroller operates at 80 MHz, providing 100 DMIPS performance, and includes advanced peripherals such as Ethernet, USB OTG, CAN, and multiple serial interfaces.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM Cortex-M3 |
| Operating Frequency | Up to 80 MHz |
| Performance | 100 DMIPS |
| Flash Memory | 256 KB |
| SRAM | 96 KB |
| Package Type | 100-LQFP (14x14 mm) |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 1.235 V ~ 1.365 V |
| Number of I/O | Up to 65 |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Analog-to-Digital Converters | Two 10-bit ADCs with 16 analog input channels |
| Timers | Four 32-bit timers (up to eight 16-bit) |
| Watchdog Timers | Two (one runs off the main oscillator, one off the precision internal oscillator) |
Key Features
- ARM Cortex-M3 Processor Core: 80-MHz operation, 100 DMIPS performance, ARM Cortex SysTick Timer, and Nested Vectored Interrupt Controller (NVIC).
- On-Chip Memory: 256 KB single-cycle Flash memory, 96 KB single-cycle SRAM, and internal ROM loaded with StellarisWare software.
- External Peripheral Interface (EPI): 8/16/32-bit dedicated parallel bus for external peripherals, supporting SDRAM, SRAM/Flash memory, FPGAs, and CPLDs.
- Advanced Serial Integration: 10/100 Ethernet MAC and PHY, two CAN 2.0 A/B controllers, USB 2.0 OTG/Host/Device, three UARTs with IrDA and ISO 7816 support, two I2C modules, two Synchronous Serial Interface modules (SSI), and an Integrated Interchip Sound (I2S) module.
- System Integration: Direct Memory Access Controller (DMA), system control and clocks including on-chip precision 16-MHz oscillator, four 32-bit timers, eight Capture Compare PWM pins (CCP), Real-Time Clock, and two Watchdog Timers.
- GPIO and Pin Muxing: Up to 65 GPIOs with highly flexible pin muxing, independently configurable to 2, 4, or 8 mA drive capability.
- Advanced Motion Control: Eight advanced PWM outputs, four fault inputs, and two Quadrature Encoder Inputs (QEI).
- Analog Peripherals: Two 10-bit Analog-to-Digital Converters (ADC) with sixteen analog input channels, three analog comparators, and 16 digital comparators.
- Power Management: On-chip voltage regulator and advanced power management features.
- Debugging and Development: JTAG and ARM Serial Wire Debug (SWD) support, along with various evaluation kits for development.
Applications
- Motion Control: Suitable for motion control systems due to advanced PWM outputs and Quadrature Encoder Inputs.
- Factory Automation: Ideal for industrial automation due to its robust set of peripherals and industrial operating temperature range.
- Fire and Security: Used in security systems and fire alarms due to its reliability and advanced features.
- HVAC and Building Control: Applied in heating, ventilation, and air conditioning systems as well as building automation.
- Power and Energy: Utilized in power management and energy monitoring applications.
- Transportation: Used in various transportation systems, including automotive electronics.
- Test and Measurement Equipment: Employed in test and measurement devices due to its precision and reliability.
- Medical Instrumentation: Suitable for medical devices requiring high performance and reliability.
- Remote Monitoring: Used in remote monitoring systems due to its integrated connectivity features.
- Electronic Point-of-Sale (POS) Machines: Applied in POS systems and other retail applications.
- Network Appliances and Switches: Used in networked systems and appliances.
- Gaming Equipment: Employed in gaming devices requiring high-performance processing.
Q & A
- What is the processor core of the LM3S9B92 microcontroller?
The LM3S9B92 microcontroller is based on the ARM Cortex-M3 processor core. - What is the operating frequency of the LM3S9B92?
The LM3S9B92 operates at up to 80 MHz. - How much Flash and SRAM memory does the LM3S9B92 have?
The LM3S9B92 has 256 KB of Flash memory and 96 KB of SRAM. - What types of communication interfaces does the LM3S9B92 support?
The LM3S9B92 supports CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, and USB OTG. - What is the operating temperature range of the LM3S9B92?
The operating temperature range is -40°C to 85°C. - How many GPIOs does the LM3S9B92 have?
The LM3S9B92 has up to 65 GPIOs. - What kind of analog-to-digital converters does the LM3S9B92 have?
The LM3S9B92 has two 10-bit ADCs with sixteen analog input channels. - Does the LM3S9B92 support motion control features?
Yes, it supports motion control with eight advanced PWM outputs and two Quadrature Encoder Inputs (QEI). - What debugging interfaces are available on the LM3S9B92?
The LM3S9B92 supports JTAG and ARM Serial Wire Debug (SWD). - What are some of the target applications for the LM3S9B92?
The LM3S9B92 is suitable for motion control, factory automation, fire and security, HVAC and building control, power and energy, transportation, test and measurement equipment, medical instrumentation, remote monitoring, electronic POS machines, network appliances and switches, and gaming equipment.
