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MPFS025T 데이터시트(PDF) 39 Page - Microchip Technology

부품명 MPFS025T
상세설명  PolarFire® SoC Product Overview
PDF  50 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MPFS025T 데이터시트(HTML) 39 Page - Microchip Technology

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5.2.1
Dedicated SPI Programming Port
To facilitate the use of various programming modes, PolarFire SoC FPGAs share dedicated SPI port pins between
the system controller and user logic embedded in the FPGA. User logic must instantiate the User SPI macro to gain
access to the pins from their design. The SPI port pins can be used as a master or slave programming port based
on the signal level on the dedicated SPI mode pin. The dedicated SPI Enable pin also allows an external SPI master
to program the on-board SPI flash without an external MUX by tri-stating the SPI MOSI/MISO/SS/CLK pins on the
PolarFire SoC FPGA.
The following illustration shows the SPI port facilitating the use of various programming modes.
Figure 5-1. SPI Programming Port
FPGA Fabric
System Controller
SPI Port Pins
MISO/MOSI/SS/CLK
SPI Enable
SPI Mode
SPI
Flash
External
SPI
Master
PolarFire® SoC FPGA
System Controller
© 2021 Microchip Technology Inc.
and its subsidiaries
Overview
DS60001656C-page 39



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