| 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 | USB Microcontroller M8C FLASH (16 kB) CY7C643xx 1K x 8 I²C, SPI, USB 36 3 V ~ 5.5 V 0°C ~ 70°C Surface Mount 48-VFQFN Exposed Pad 48-QFN (7x7) |