Introduction - Microsemi SmartFusion2 MSS Manual

Introduction

The SmartFusion2 Microcontroller Subsystem (MSS) provides one CAN hard peripheral (APB_1 sub
bus).
On the MSS Canvas, you must enable (default) or disable the CAN instance based on whether it is being
used in your current application. When disabled, the CAN instance is held in reset (lowest power state).
By default, when enabled, the CAN ports are configured to connect to the device Multi Standard I/Os
(MSIOs). Note that MSIOs allocated to the CAN instance are shared with other MSS peripherals. These
shared I/Os are available to connect to MSS GPIOs and other peripherals when the CAN instance is
disabled or if the CAN instance ports are connected to the FPGA fabric.
The functional behavior of the CAN instance must be defined at the application level using the
SmartFusion2 MSS CAN Driver provided by Microsemi.
In this document, we describe how you can configure the MSS CAN instance and define how the
peripheral signals are connected.
For more details about the MSS CAN hard peripheral, please refer to the SmartFusion2 User Guide.
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