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SRAM | 32 |
Data Flash | Configurable |
LDROM | 4K |
I/O | 86 |
Timer | 4*32-bit |
UART | 4 |
I2C | 2 |
PWM | 12*16-bit |
ADC | 16 |
ISP/ICP/IAP | Yes |
Comparator | 2 |
RTC | Y(VBAT) |
ISO-7816-3 | 1 |
DAC | 2 |
Operating Temp. Range (°C ) | -40 to +105 |
PDMA | 8 |
EBI | Yes |
SPI / I2S | 2 |
Tamper Detect (pin) | 1 |
DES/ 3-DES / AES | Y |
The NuMicro M254/M256/M258 series 32-bit low-power microcontroller is based on Arm Cortex-M23 core.