Device Database®

Texas Instruments LM4F121H5QR

The Texas Instruments LM4F121H5QR is an ARM Cortex-M4F Processor Core - 80-MHz operation; 100 DMIPS performance - ARM Cortex SysTick Timer - Nested Vectored Interrupt Controller (NVIC) - Embedded Trace Macro and Trace Port - IEEE754-compliant single-precision floating-point unit On-Chip Memory - 256 KB single-cycle Flash memory up to 40 MHz; a prefetch buffer improves performance above 40 MHz - 32 KB single-cycle SRAM - Internal ROM loaded with StellarisWare software: - 2KB EEPROM Advanced Serial Integration - CAN 2.0 A/B controller - USB 2.0 Device - Eight UARTs with IrDA, 9-bit and ISO 7816 support (one UART with modem flow control) - Six I2C modules - Four Synchronous Serial Interface modules (SSI) System Integration - Direct Memory Access Controller (DMA) - System control and clocks including on-chip precision 16-MHz oscillator - Six 32-bit timers (up to twelve 16-bit), with real-time clock capability - Six wide 64-bit timers (up to twelve 32-bit), with real-time clock capability - Twelve 16/32-bit Capture Compare PWM pins (CCP) - Twelve 32/64-bit Capture Compare PWM pins (CCP) - Two Watchdog Timers - Up to 49 GPIOs, depending on configuration Analog - Two 12-bit Analog-to-Digital Converters (ADC) with 12 analog input channels and a sample rate of one million samples/second - Two analog comparators - 16 digital comparators - On-chip voltage regulator JTAG and ARM Serial Wire Debug (SWD) 64-pin LQFP package Industrial (-40C to 85C) Temperature Range.