Silicon Labs SIM3L154-C-GMR MCUs 128KB，DC-DC，AES，QFN40

Core: ARM Cortex M3

I/O Voltage: 1.8 V to 3.8 V

Data RAM Size: 32 kB

Data RAM Type: SRAM

ADC Resolution: 10 bit, 12 bit

DAC Resolution: 10 bit

Data Bus Width: 32 bit

Interface Type: I2C, SPI, UART

Mounting Style: SMD/SMT

Number of I/Os: 28 I/O

Watchdog Timers: Watchdog Timer

Moisture Sensitive: Yes

Program Memory Size: 128 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.8 V

Supply Voltage - Min: 1.25 V

Number of ADC Channels: 20 Channel

Maximum Clock Frequency: 50 MHz

Number of Timers/Counters: 3 x 32 bit (6 x 16 bit)

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C