MPFS160T datasheet(38/50 Pages) MICROCHIP

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System Controller

The PolarFire SoC FPGA system controller is based on the industry-standard ARM Cortex-M3 and is used for FPGA

power-up, secure DPA-safe FPGA programming, and executing and responding to system services. All internal

memories are SECDED-protected with background scrubbing capabilities to remove single-bit errors.

5.1

System Services

System services provide the user with information about the state of the FPGA and allow the user to request the

system controller to perform predefined functions using a standard Application Programming Interface (API).

The system services are listed as follows.

Design Services

• Initialize fabric RAM

• Bitstream authentication

• IAP image authentication

Device Services

• Serial number

• JTAG user code

• Design version number

• Device certificate

Data Services

• sNVM read/write

• PUF emulation service

• Nonce service

FPGA Fabric Services

• Digest check

• In-application programming

5.2

Programming

PolarFire SoC FPGAs have multiple programming modes designed to enable various use models. All bitstreams are

always encrypted and DPA safe. Each PolarFire SoC FPGA can be programmed using a dedicated SPI peripheral

and JTAG port. All PolarFire SoC FPGAs are typically reprogrammed in less than 60 seconds. For device specific

programming timings, see the PolarFire SoC FPGA Datasheet.

The following programming modes are supported:

Slave Programming

• JTAG

• Slave SPI—an external SPI master programs the FPGA

SPI Master Programming—In-Application Programming (IAP)

• Auto update feature—the system controller on power-up checks for a new bitstream in an external SPI flash and

programs the FPGA.

• Auto programming feature—on a blank device, the system controller on power-up checks for a bitstream in an

external SPI flash and programs the FPGA.

• Programming recovery feature—if remote programming fails due to a power interruption, the system controller

reprograms the FPGA on the next power-up cycle from a golden bitstream (located in an external SPI flash).

System Controller

and its subsidiaries

Overview

DS60001656C-page 38

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