Additional peripherals include: three Universal Synchronous Asynchronous Receiver Transmitters (USART), five Universal Asynchronous Receiver Transmitters (UART), three Two-wire Interfaces (TWI) supporting the I²C protocol, one Quad I/O Serial Peripheral Interface (QSPI), two Serial Peripheral Interfaces (SPI), one Serial Synchronous Controller (SSC) supporting I²S and TDM protocols, a high-speed Multimedia Card Interface (HSMCI) for SDIO/SD/e.MMC, an External Bus Interface (EBI) featuring an SDRAM Controller, and a Static Memory Controller providing connection to SRAM, PSRAM, NOR Flash, LCD module and NAND Flash. Additionally, two enhanced Pulse Width Modulators (PWM), twelve general-purpose 16-bit timers with stepper motor and quadrature decoder logic support, one low-power Real-Time Timer (RTT) and one low-power Real-Time Clock (RTC).