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I3C Dual Controller v1.2

The Arasan I3C Secondary Controller IP Core implements Active controller functionality as defined by the MIPI Alliance’s I3C Specification and Secondary Controller logic. The I3C bus is used for various sensors in the mobile/automotive system where the active controller transfers data and control between itself and various sensor devices. In some applications, the active controllers can handoff the controller role to the secondary controller on the bus. The Dual role IP joins the I3C bus as a secondary controller (as a target) and will request/accept the controller role. The IP core provides a 32bit AHB bus as application interface to configure and control the transfers. The controller manages the control signal to IO buffers during the active and standby mode

The I3C Dual Controller implements support for legacy I2C Slave devices, Clock frequency scaling, Open-drain and Push-pull operation of I3C Interface, and Dynamic Addressing support. The I3C Dual Controller supports the required SDR mode with Clock frequency of up to 12.5 MHz and also the HDR mode (HDR-DDR) as defined by the I3C Specification.