| Type Interface Clock Rate Non-Volatile Memory On-Chip RAM Voltage - I/O Voltage - Core Operating Temperature Mounting Type Package / Case Supplier Device Package | Fixed Point I²C, I²S, IrDA, PPI, SPI, SPORT, UART 400MHz ROM (64 kB) 64kB 1.8V, 2.5V, 3.3V 1.29V 0°C ~ 70°C Surface Mount 64-VFQFN Exposed Pad, CSP 64-LFCSP-VQ (9x9) |