Описание
The Kinetis K51 100 MHz Measurement MCUs, built on the ARM Cortex -M4 core, feature Segment LCD, USB and advanced serial communication. This family shares the comprehensive enablement and scalability of the Kinetis portfolio.
- 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 85°C
- Performance
- Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
- Memories and memory interfaces
- Up to 512 KB program flash memory on nonFlexMemory devices
- Up to 128 KB RAM
- Serial programming interface (EzPort)
- FlexBus external bus interface
- Clocks
- 3 to 32 MHz crystal oscillator
- 32 kHz crystal oscillator
- Multi-purpose clock generator
- System peripherals
- Multiple low-power modes to provide power optimization based on application requirements
- Memory protection unit with multi-master protection
- 16-channel DMA controller, supporting up to 63 request sources
- External watchdog monitor
- Software watchdog
- Low-leakage wakeup unit
- Human-machine interface
- Segment LCD controller supporting up to 40 frontplanes and 8 backplanes, or 44 frontplanes and 4 backplanes, depending on the package size
- Low-power hardware touch sensor interface (TSI)
- General-purpose input/output
- Analog modules
- Two 16-bit SAR ADCs
- Programmable gain amplifier (PGA) (up to x64) integrated into each ADC
- Two 12-bit DACs
- Two operational amplifiers
- Two transimpedance amplifiers
- Three analog comparators (CMP) containing a 6-bit DAC and programmable reference input
- Voltage reference
- Timers
- Programmable delay block
- Eight-channel motor control/general purpose/PWM timer
- Two 2-channel quadrature decoder/general purpose timers
- Periodic interrupt timers
- 16-bit low-power timer
- Carrier modulator transmitter
- Real-time clock
- Communication interfaces
- USB full-/low-speed On-the-Go controller with onchip transceiver
- Three SPI modules
- Two I2C modules
- Six UART modules
- Secure Digital host controller (SDHC)
- I2S module
