Provides an integrated, verified, AMBA® 3.0 compliant hardware/software system ready for deploying ultra-low-power applications using processors such as the BA22-DE, BA22-CE, or ARM Cortex-M0.
The AHB Low Power Subsystem combines peripheral and interface IP cores with drivers and other essential software and an AHBLite/APB bus infrastructure. It is designed to work well with the user’s choice of low-power processor, and has been specifically tested with those from CAST and ARM.
The subsystem includes a package of standard APB peripherals: I2C, SPI, UART, and GPIO interfaces, plus a Timer and Watchdog Timer. An AHB-APB Bridge interfaces these with the AHB bus, on which resides included SSRAM and Flash Memory Controllers, the user’s processor core, and any additional CAST or third-party IP cores desired. An Interrupt Controller is also available.
All the included cores are supported with C code drivers and comprehensive tests.
An integrated Power Management System provides an effective means to minimize power consumption for each specific application.
Applications for which this subsystem is designed include battery- or energy-harvesting-powered IoT and M2M devices where minimal energy consumption is a priority over computing capability. Examples are water meter sensors, automobile sensors, and implantable medical devices