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Core: ARM Cortex M4
Unit Weight: 196.450 mg
Data RAM Size: 32 kB
Data RAM Type: SRAM
ADC Resolution: 16 bit
DAC Resolution: 6 bit, 12 bit
Data Bus Width: 32 bit
Interface Type: GPIO, I2C, I2S, SPI, UART, USB
Mounting Style: SMD/SMT
Number of I/Os: 64 I/O
Watchdog Timers: Watchdog Timer
Processor Series: K21D
Moisture Sensitive: Yes
Program Memory Size: 256 kB
Program Memory Type: Flash
Supply Voltage - Max: 3.6 V
Supply Voltage - Min: 1.71 V
Analog Supply Voltage: 1.71 V to 3.6 V
Maximum Clock Frequency: 50 MHz
Number of Timers/Counters: 4 Timer
Maximum Operating Temperature: + 105 C
Minimum Operating Temperature: - 40 C
