Описание
120 MHz ARM Cortex -M4-based Microcontroller with FPU The K22 product family members are optimized for cost-sensitive applications requiring low-power, USB connectivity, processing efficiency with floating point unit. It shares the comprehensive enablement and scalability of the Kinetis family.
- Performance
- Up to 120 MHz ARM Cortex-M4-based core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
- Memories and memory interfaces
- Up to 1 MB program flash memory and 128 KB RAM
- Up to 128 KB FlexNVM and 4 KB FlexRAM on FlexMemory devices
- FlexBus external bus interface
- System peripherals
- Multiple low-power modes; low leakage wakeup unit
- Memory protection unit with multi-master protection
- 16-channel DMA controller
- External watchdog monitor and software watchdog
- Security and integrity modules
- Hardware CRC module
- 128-bit unique identification (ID) number per chip Analog modules
- Two 16-bit SAR ADCs
- Two 12-bit DACs
- Three analog comparators (CMP)
- Voltage reference
- Communication interfaces
- USB full-/low-speed On-the-Go controller
- USB Device Charger detect
- Controller Area Network (CAN) module
- Two SPI modules
- Three I2C modules
- Four UART modules
- Secure Digital host controller (SDHC)
- I2S module
- Timers
- Two 8-channel Flex-Timers (PWM/Motor Control)
- Two 2-channel Flex-Timers (PWM/Quad Decoder)
- Periodic interrupt timers and 16-bit low-power timer
- Carrier modulator transmitter
- Real-time clock
- Programmable delay block
- Clocks
- 3 to 32 MHz and 32 kHz crystal oscillator
- PLL, FLL, and multiple internal oscillators
- 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
