Описание
MCU 32-Bit K21 ARM Cortex M4 RISC 128KB Flash 1.8V/2.5V/3.3V 80-Pin LQFP Tray
- 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
 
 - Performance
- Up to 50 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
 
 - Memories and memory interfaces
- Up to 512 KB of program flash for devices without FlexNVM.
 - Up to 256 KB program flash for devices with FlexNVM.
 - 64 KB FlexNVM on FlexMemory devices
 - 4 KB FlexRAM on FlexMemory devices
 - Up to 64 KB RAM
 - Serial programming interface (EzPort)
 
 - 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
 - 16-channel DMA controller, supporting up to 63 request sources
 - External watchdog monitor
 - Software watchdog
 - Low-leakage wakeup unit
 
 - Security and integrity modules
- Hardware CRC module to support fast cyclic redundancy checks
 - Tamper detect and secure storage
 - Hardware random-number generator
 - Hardware encryption supporting DES, 3DES, AES, MD5, SHA-1, and SHA-256 algorithms
 - 128-bit unique identification (ID) number per chip
 
 - Human-machine interface
- General-purpose input/output
 
 - Analog modules
- 16-bit SAR ADC
 - 12-bit DAC
 - Two analog comparators (CMP) containing a 6-bit DAC and programmable reference input
 
 - Timers
- Programmable delay block
 - Eight-channel motor control/general purpose/PWM timer
 - Two 2-channel general purpose timers, one with quadrature decoder functionality
 - 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 on-chip transceiver
 - USB Device Charger detect
 - Two SPI modules
 - Two I2C modules
 - Four UART modules
 - I2S module
 
 
