Overview
The LM3S9B92 microcontroller, produced by Texas Instruments, is a high-performance ARM Cortex-M3 based microcontroller designed for real-time embedded applications. It is part of the Stellaris LM3S9000 series and offers a robust set of features that make it suitable for a wide range of industrial and commercial uses. The microcontroller operates at 80 MHz, delivering 100 DMIPS performance, and includes an ARM Cortex SysTick Timer and a Nested Vectored Interrupt Controller (NVIC).
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM Cortex-M3 |
| Operating Frequency | 80 MHz |
| Performance | 100 DMIPS |
| On-Chip Memory | 256 KB single-cycle Flash memory, 96 KB single-cycle SRAM |
| Internal ROM | Loaded with StellarisWare software, including Peripheral Driver Library, Boot Loader, AES cryptography tables, and CRC error detection |
| External Peripheral Interface (EPI) | 8/16/32-bit dedicated parallel bus for external peripherals, supports SDRAM, SRAM/Flash memory, FPGAs, CPLDs |
| 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 SSI modules, 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 (up to eight 16-bit), Eight Capture Compare PWM pins (CCP), Real-Time Clock, Two Watchdog Timers |
| GPIOs | Up to 65 GPIOs, highly flexible pin muxing, independently configurable to 2, 4 or 8 mA drive capability, up to 4 GPIOs can have 18 mA drive capability |
| Analog Features | Two 10-bit Analog-to-Digital Converters (ADC) with sixteen analog input channels, three analog comparators, 16 digital comparators, on-chip voltage regulator |
| Debugging | JTAG and ARM Serial Wire Debug (SWD) |
| Package | 100-pin LQFP |
| Temperature Range | Industrial (-40°C to 85°C) |
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.
- Advanced Serial Integration: 10/100 Ethernet MAC and PHY, Two CAN 2.0 A/B controllers, USB 2.0 OTG/Host/Device, and multiple serial interfaces.
- System Integration: Direct Memory Access Controller (DMA), system control and clocks, four 32-bit timers, eight Capture Compare PWM pins (CCP), Real-Time Clock, and two Watchdog Timers.
- GPIOs: Up to 65 GPIOs with flexible pin muxing and configurable drive capabilities.
- Analog Features: Two 10-bit ADCs, three analog comparators, 16 digital comparators, and an on-chip voltage regulator.
- Debugging: JTAG and ARM Serial Wire Debug (SWD).
- Motion Control: Eight advanced PWM outputs, four fault inputs, and two Quadrature Encoder Inputs (QEI).
Applications
- Motion control
- Factory automation
- Fire and security systems
- HVAC and building control
- Power and energy management
- Transportation systems
- Test and measurement equipment
- Medical instrumentation
- Remote monitoring systems
- Electronic point-of-sale (POS) machines
- Network appliances and switches
- Gaming equipment
Q & A
- What is the core processor of the LM3S9B92 microcontroller?
The LM3S9B92 microcontroller uses the ARM Cortex-M3 processor core.
- What is the operating frequency of the LM3S9B92?
The LM3S9B92 operates at 80 MHz.
- How much on-chip memory does the LM3S9B92 have?
The LM3S9B92 has 256 KB of single-cycle Flash memory and 96 KB of single-cycle SRAM.
- What serial interfaces are available on the LM3S9B92?
The LM3S9B92 includes 10/100 Ethernet MAC and PHY, two CAN 2.0 A/B controllers, USB 2.0 OTG/Host/Device, three UARTs, two I2C modules, two SSI modules, and an I2S module.
- How many GPIOs does the LM3S9B92 have?
The LM3S9B92 has up to 65 GPIOs, depending on the configuration.
- What are the key features of the LM3S9B92's analog capabilities?
The LM3S9B92 features two 10-bit ADCs with sixteen analog input channels, three analog comparators, and 16 digital comparators.
- What debugging interfaces are available on the LM3S9B92?
The LM3S9B92 supports JTAG and ARM Serial Wire Debug (SWD).
- In what package is the LM3S9B92 available?
The LM3S9B92 is available in a 100-pin LQFP package.
- What is the temperature range for the LM3S9B92?
The LM3S9B92 operates within an industrial temperature range of -40°C to 85°C.
- What are some common applications for the LM3S9B92?
The LM3S9B92 is commonly used in motion control, factory automation, fire and security systems, HVAC and building control, and other industrial and commercial applications.
