Описание
The Kinetis K22 100 MHz USB MCU family supports cost-sensitive applications requiring low power flexibility and processing efficiency. Offers analog, communication, timing and control peripherals to meet diverse requirements Leads the industry in low-power performance efficiency Smart on-chip integration significantly reduces bill-of-materials costs Shares the Kinetis portfolio’s comprehensive enablement and scalability
Ultra-Low-Power
- Run power consumption down to 200 µA/MHz
- Flexible low-power modes with power and clock gating for optimal peripheral activity and recovery times
- Static power consumption down to 2.1 µA with full state retention and 4 µS wakeup. Lowest static mode down to 250 nA.
- Low-power timer for continual system operation in reduced power state
Performance
- 100 MHz ARM Cortex-M4 core with DSP instructions, delivering 1.25 Dhrystone MIPS per MHz
Memories and memory interfaces
- 128 KB of embedded flash and 24 KB of RAM
- Serial programming interface (EzPort)
System peripherals
- Flexible low-power modes with multiple wake up sources
- 4-channel DMA controller
- Independent External and Software Watchdog monitor
Clocks
- Two crystal oscillators: 32 kHz (RTC) and 32-40 kHz or 3-32 MHz
- Three internal oscillators: 32 kHz, 4 MHz, and 48 MHz
- Multi-purpose clock generator with FLL
Security and integrity modules
- Hardware CRC module
- 128-bit unique identification (ID) number per chip
- Flash access control to protect proprietary software
Human-machine interface
- Up to 67 general-purpose I/O (GPIO)
Analog modules
- Two 16-bit SAR ADCs
- One 12-bit DAC
- Two analog comparators (CMP) with 6-bit DAC
- Accurate internal voltage reference
Communication interfaces
- USB full/low-speed On-the-Go controller with on-chip transceiver
- Two SPI modules
- Three UART modules and one low-power UART
- Two I²C: Support for up to 1 Mbit/s operation with maximum bus loading
- I²S module
Timers
- One 8-channel motor control/general purpose/ PWM timer
- Two 2-channel general purpose timers with quadrature decoder functionality
- Periodic interrupt timers
- 16-bit low-power timer
- Real-time clock with independent power domain
- Programmable delay block
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
