M251KG6AE

SRAM 32
Data Flash Configurable
LDROM 4K
I/O 85
Timer 4*32-bit
UART 3
I2C 2
PWM 24
ADC 16
ISP/ICP/IAP Yes
Status Mass Production
Comparator 2
RTC Y(VBAT)
ISO-7816-3 1
DAC 1
Operating Temp. Range (°C ) -40 to +105
PDMA 8
SPI / I2S 1
Voltage Adjustable Interface Y
Quad SPI 1
Tamper Detect (pin) 1
OP Amp. 1
PSIO 8

The industrial-grade NuMicro M251 / M252 series designed for industrial control applications.