IoT Low Power with Performance AHB Multi-matrix Subsystem Supports Cortex-M3/M4 (or equivalent) processor | Power Management Unit | AMBA (AHB) | AHB Multi-matrix bus infrastructure | External Nor Flash controller | DMA (single or multi-channel) | Internal SRAM controller | Interrupt Controller (optional) | QSPI with Execute in Place (XIP) for standard Flash parts such as Winbond and Spansion | AHB/APB bridge | Standard APB Peripheral package | I2C, SPI, UART, GPIO, Timers, Watchdog | |