| Applications Core Processor Program Memory Type Controller Series RAM Size Interface Number of I/O Voltage - Supply Operating Temperature Mounting Type Package / Case Supplier Device Package | Smart Energy Appliances, Devices, and Equipment ARM® Cortex®-M0 FLASH (32 KB) PAC™ 8K x 8 I²C, SPI, SWD, UART 28 * -40°C ~ 105°C Surface Mount 56-WFQFN Exposed Pad 56-TQFN (8x8) |