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Stellaris® ARM® Cortex Gamma -M4f microprocessor

Source: 未知 Time:2020.06.22 View:3430

Stellaris arm cortex-m4 microprocessor (called stellaris lm4f Series) can provide floating-point and various functions and peripherals. The series includes general MCU, USB, advanced motion control (up to 16 PWM output) and other application categories, and has a variety of serial communication peripherals (including up to 8 UARTS, 6 I2C, 4 SSI / SPI and 2 can controllers).

Stellaris arm cortex-m4f microprocessor (MCU) (called stellaris lm4f Series) can provide advanced analog integration, floating-point performance and first-class power consumption. Lm4f MCU is the first Cortex-M MCU that will be manufactured by 65 nm process. You can easily find the best balance between high performance, low power consumption and low price.

At the same time, Ti recognizes that software can drive product time to market, so all lm4f MCU can be supported by free license and royalty free stellarisware ® software. Stellarisware is a set of stellaris specific APIs designed to minimize software cost of ownership and accelerate time to market. Most APIs are integrated into ROM, and all software is written in standard C language, so you can easily develop applications in the selected tools.


Main characteristics

All lm4f variants contain an arm cortex-m4f core with single precision floating-point at 80 MHz



Up to 256Kb embedded flash and 32KB SRAM



Up to 2 12 bit ADCs and 24 input channels



Up to two can controllers



Full speed USB 2 device, host and OTG (optional)



Advanced motion control with up to 16 PWM output and 2 orthogonal encoder interfaces



Multiple serial communications with up to



8 UARTS



6 I2C



4 SSIS / SPIs



Low power mode including energy saving sleep



64-lqfp, 100-lqfp and 144-lqfp package



Main advantages



It can achieve 12 bit ADC accuracy at 1 MSPs rating without any hardware averaging and performance tradeoff.



Arm cortex-m4f with floating point can speed up the mathematical intensive operation and simplify the implementation of digital signal processing



The first arm Cortex-M MCU with advanced 65nm technology provides the best balance between higher performance and low power consumption



Various pin compatible memory and package configurations optimize device selection



A large number of on-chip peripherals can realize various applications, including 1-D scanners, micro printers, digital power supply, motion control, household appliances, LED signs / controls, portable health care and industrial automation



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Stellaris arm cortex-m4f microprocessor



Device family description package



Lm4f110 series regular MCU 64 pin LQFP, 100 pin LQFP, 144 pin LQFP



Lm4f120 series conventional MCU (with USB device)



Lm4f130 series conventional MCU (with USB OTG / host device)



Lm4f230 series



Conventional MCU (with motion control and USB OTG / host device)



Stellaris arm cortex-m4f MCU can be extended to higher performance and lower power consumption for various applications



The continuous development of the market requires the expansion of function space, portable low power consumption, software and tools that can be put on the market quickly, as well as the upgradeability and scalability of customized product series. Stellaris arm cortex-m4 MCU with floating point can meet these targets.



Stellaris lm4f MCU can provide industrial automation, motion control, health care and other applications. Learn more about related applications and the following terminal devices and corresponding lm4f series.



Application / terminal equipment advantages of stellaris cortex-m4f MCU device model



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Various optical sensors can be connected to high-precision 12 bit ADC; 80 MHz performance and floating-point support ensure fast analysis of sensor data; support USB and serial connection to the host computer; support Bluetooth ® serial profile lm4f120 series, lm4f130 series with wireless connection



Micro printers (portable printers / scanners, thermal micro printers) use stellaris motion control block to simplify motor control implementation; low power performance supports mobile micro printers; supports USB and serial connection to the host computer; supports wireless connection of Bluetooth ® serial profile lm4f230 series



Home appliances / home automation (AC equipment, air purifier, humidifier, coffee machine, HMI for white appliances, wired and wireless connection module) stellaris lm4f device with starting price of US $1.65 (1KU) can provide price point connection for consumer applications; use stellaris motion control block to simplify motor control implementation; provide USB for connected devices And wireless connection support lm4f110 series, lm4f120 series, lm4f130 series, lm4f230 series



Uninterruptible power supply has high speed and high accuracy ADC12, which can accurately identify power supply problems; in terms of performance, it supports standby and line Interactive UPS system lm4f230 series



AC inverter drive and motor control: use timer or motion control to simplify PWM programming required to drive inverter switch array; high speed 12 bit ADC can implement sensorless drive; stellarisware ® graphic library can make the design of operator interface enter the market at the fastest speed. Lm4f230 series



Building automation (elevator controller, building security zone node, wired and wireless connection module) stellaris lm4f device with a starting price of US $1.65 (1KU) can provide the price point connection needed to build the application; stellaris ® in ROM can simplify the development of connection application; USB and wireless connection support lm4f110 series, lm4f120 for connected devices Series, lm4f130 series
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