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The RGPIO is for communiction betweenn SoC and SC CPLD it handels the signals:

Scroll Title

anchor	Table_RGPIO
title	Signals handeld by RGPIO

Scroll Table Layout

Signal	VHDLname	Function	Notes
SOC read (11)	PCIE_PERST	Indication that PCIe Bus is up (power, clocks)
SoC write (17)	EN_FMC	Enable switched 3.3V FMC power	pulled down
SoC write (15)	PWR_EN_Signal	Enable perepherie power 3V3_PER	used for EN_PER
SOC read (15)	FMC_PRSNT_M2C_L	Indicate if FMC installed	Low when FMC present
SoC write (16)	FMC_PWR_set	Turn on FMC Power	used for EN_FMC_VADJ and FAN_FMC_EN
SOC read (14)	PG_FMC_VADJ	Indicate FMC VADJ power is up
SoC write (23)	FF_RSTL	Reset configuration	Both FF are resetted simultanously when pulled LOW
SOC read (21)	FFA_INTL	Indicate interrrupt	LOW when fault condition, pulled up
SOC read (13)	FFA_MPRS	Indicate FF Module installed	LOW when Module present, pulled up
SOC read (20)	FFB_INTL	Indicate interrrupt	LOW when fault condition, pulled up
SOC read (22)	FFB_MPRS	Indicate FF Module installed	LOW when Module present, pulled up
SOC read (17)	SFPA_LOS	SFP signal loss	HIGH indicates signal loss
SOC read (18)	SFPA_M-DEF0	SFP modul absent	HIGH when module physically absent
SoC write (21)	SFPA_RS0	SFP rate select RX	LOW for 1000BASE-SX, HIGH for 10GBASE-SR
SoC write (20)	SFPA_RS1	SFP rate select TX	LOW for 1000BASE-SX, HIGH for 10GBASE-SR
SoC write (22)	SFPA_TX_DIS	SFP transmitter disable	HIGH disables transmitter
SOC read (19)	SFPA_TX_FAULT	Indicates SFP laser fault	HIGH indicates fault
SoC write (19)	LED1	user LEDs
SoC write (18)	LED2	user LEDs

Appx. A: Change History and Legal Notices

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