| Type Interface Clock Rate Non-Volatile Memory On-Chip RAM Voltage - I/O Voltage - Core Operating Temperature Mounting Type Package / Case Supplier Device Package | Audio Processor Host Interface, I²C, SAI, SPI 250MHz External 112kB 3.30V 1.20V 0°C ~ 70°C Surface Mount 144-LQFP 144-LQFP (20x20) |