M258SG6AE

Lead Time 20 Weeks , 20 Weeks , 20 Weeks , 20 Weeks , 20 Weeks
Flash 256 , 256 , 256 , 256 , 256
SRAM 32 , 32 , 32 , 32 , 32
Data Flash Configurable , Configurable , Configurable , Configurable , Configurable
LDROM 4K , 4K , 4K , 4K , 4K
I/O 53 , 53 , 53 , 53 , 53
Timer 4*32-bit , 4*32-bit , 4*32-bit , 4*32-bit , 4*32-bit
UART 4 , 4 , 4 , 4 , 4
I2C 2 , 2 , 2 , 2 , 2
PWM 12*16-bit , 12*16-bit , 12*16-bit , 12*16-bit , 12*16-bit
ADC 16 , 16 , 16 , 16 , 16
ISP/ICP/IAP Yes , Yes , Yes , Yes , Yes
Package LQFP64* , LQFP64* , LQFP64* , LQFP64* , LQFP64*
Status Mass Production , Mass Production , Mass Production , Mass Production , Mass Production
Comparator 2 , 2 , 2 , 2 , 2
RTC Y(VBAT) , Y(VBAT) , Y(VBAT) , Y(VBAT) , Y(VBAT)
ISO-7816-3 1 , 1 , 1 , 1 , 1
DAC 2 , 2 , 2 , 2 , 2
Operating Temp. Range (°C ) -40 to +105 , -40 to +105 , -40 to +105 , -40 to +105 , -40 to +105
PDMA 8 , 8 , 8 , 8 , 8
EBI Yes , Yes , Yes , Yes , Yes
SPI / I2S 2 , 2 , 2 , 2 , 2
USB Device Y , Y , Y , Y , Y
Touch Key 23 , 23 , 23 , 23 , 23
Tamper Detect (pin) 1 , 1 , 1 , 1 , 1
Crypto Y , Y , Y , Y , Y
DES/ 3-DES / AES Y , Y , Y , Y , Y

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