Kinetis® K24：120MHz Cortex-M4F 256KB闪存(121引脚)

Kinetis K24F Sub-Family 256 KB Flash Data Sheet 120 MHz ARM® Cortex®-M4-based Microcontroller with FPU The K24F product family features high memory densities, low power capabilities, and optimized integration. It shares the comprehensive enablement and scalability of the Kinetis family. This product offers: • 1-1 flash to RAM ratio, with 256 KB of embedded flash and 256 KB of embedded RAM to support application with high RAM density requirements. • USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator and USB device crystal-less operation. • Run power consumption down to 220 μA/MHz. Static power consumption down to 3.68 μA with full state retention and 5 μs wakeup. Lowest Static mode down to 173 nA Performance • Up to 120 MHz ARM® Cortex®-M4 core with DSP instructions and floating point unit Memories and memory interfaces • Up to 256 KB program flash memory and 256 KB RAM • Serial programming interface (EzPort) • Pre-programmed Kinetis flashloader for one-time, insystem factory programming System peripherals • Multiple low-power modes, low-leakage wakeup unit • 16-channel DMA controller • External watchdog monitor • Software watchdog Clocks • 3 to 32 MHz and 32 kHz crystal oscillator • Multipurpose clock generator with FLL and PLL • 32 kHz, and 4 MHz internal reference clock • 48 MHz internal reference Analog modules • Two 16-bit SAR ADCs • 12-bit DAC • Two analog comparators (CMP) • Voltage reference Communication interfaces • USB full-/low-speed On-the-Go controller • USB Device Charger detect (USBDCD) • Three SPI modules • Three I2C modules • Six UART modules • I2S module Timers • Two 8-channel motor control/general purpose/PWM timers • Two 2-channel quadrature decoder/general purpose timers • Periodic interrupt timers and 16-bit low power timer • Carrier modulator transmitter • Real-time clock • Programmable delay block Security and integrity modules • Hardware CRC module • 128-bit unique identification (ID) number per chip Operating Characteristics • Voltage range: 1.71 to 3.6 V • Flash write voltage range: 1.71 to 3.6 V • Temperature range (ambient): –40 to 105 °C