Silicon Laboratories EFM32WG232F128-QFP64T Product Category: ARM Microcontrollers - MCU RoHS: yes Core: ARM Cortex M3 Data Bus Width: 32 bit Maximum Clock Frequency: 48 MHz Program Memory Size: 128 kB Data RAM Size: 32 kB On-Chip ADC: Yes Operating Supply Voltage: 1.85 V to 3.8 V Maximum Operating Temperature: + 85 C Package / Case: TQFP-64 Mounting Style: SMD/SMT A/D Bit Size: 12 bit Brand: Silicon Labs Data Ram Type: RAM Data ROM Size: 128 kB Data Rom Type: Flash Interface Type: I2C, SPI, UART Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 53 Number of Timers: 4 On-Chip DAC: Yes Processor Series: ARM Cortex Program Memory Type: Flash Series: EFM32WG232F128 Factory Pack Quantity: 104 Tradename: EFM32