M256QE3AE

SRAM 16
Data Flash Configurable
LDROM 4K
I/O 70
Timer 4*32-bit
UART 3
I2C 1
PWM 6
ADC 16
ISP/ICP/IAP Yes
Status Mass Production
Comparator 2
ISO-7816-3 1
Operating Temp. Range (°C ) -40 to +105
PDMA 5
SPI / I2S 1
Tamper Detect (pin) 1

The NuMicro M254/M256/M258 series 32-bit low-power microcontroller is based on Arm Cortex-M23 core.