Intel Arria 10 User Manual page 103

5. Board Components
683227 | 2023.07.12
Instruction
(8bits)
00001101
00001110
00001111
00010000
00010001
00010010
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Instruction
Description
Bit[2] - FMCBVADJPGood. 1':FMCBVADJ power rail output is normal. '0': FMCBVADJ
power rail output is abnormal.
Bit[1] - FAC2MPgood. 1':FMCA slot powers are normal. '0': FMCA slot powers are
abnormal.
Bit[0] - FBC2MPgood. 1':FMCB slot powers are normal. '0': FMCB slot powers are
abnormal.
Read Power good3 Register 6: Read-only Register
& present
Bit[7] - FAM2CPgood. '1':FMCA slot DC power outputs are normal. '0': FMCA slot DC
Registers
power outputs are abnormal.
Bit[6] - 10V_Fail_n. '1': Input voltage is above 10V. '0': Input voltage is below 10V.
Bit[5] - BF_PRESENTn. '1': no boot flash card. '0': boot flash present
Bit[4] - FILE_PRESENTn. '1': no file flash card. '0': file flash present
Bit[3] - FMCA_PRESENTn. '1': no FMCA card. '0': FMCA card present
Bit[2] - FMCB_PRESENTn . '1': no FMCB card. '0': FMCB present
Bit[1] - PCIE_PRESENTn. '1': no PCIE card. '0': PCIE card present
Bit[0] - Reserved
Write FMCA/B Register 7
PCIE Power enable
Bit[7] - PCIE_EN. '1': Enable PCIE RC slot power. '0': Disable PCIE RC slot power.
Registers
Bit[6] - PCIE_AUXEN. '1': Enable PCIE RC slot auxiliary power. '0': Disable PCIE RC
auxiliary power.
Bit[5:0] - Reserved
Read FMCA/B Register 7
PCIE Power enable
Read the status of power enable register.
Registers
Write HPS Resets Register 8
Registers
Bit[7] - Reserved
Bit[6] - Reserved
Bit[5] - Reserved
Bit[4] - Reserved
Bit[3] - Reserved
Bit[2] - Reserved
Bit[1] - ENET_HPS_RESETn. Active low to reset the HPS Ethernet port
Bit[0] - Reserved
Read HPS Reset Register 8
Registers
Bit[7] - HPS_UARTA_RESETn. Read-only bit. Always '1'
Bit[6] - HPS_WARM_RESETn. Read-only bit. '0': WARM_Reset push button is pressed.
'1' No action
Bit[5] - HPS_WARM_RESET1n. Read - only bit. '0': Trace reset is detected. '1' No
action
Bit[4] - HPS_COLD_RESETn. Read-only bit '0': Cold_Reset push button is pressed. '1'
No action
Bit[3] - HPS_NPOR. Read-only, NPOR for HPS, active low
Bit[2] - HPS_NRST. Read-only, NRST for HPS, active low
Bit[1] - ENET_HPS_RESETn. Read the status of ENET_HPS_RESETn
Bit[0] - ENET_HPS_INTn. ENET_HPS_INTn current status.
Write USB & Register 9
BQSPI& FILE &
Bit[7] - USB_RESET. Active high to reset the HPS USB.
PCIE Resets
Bit[6] - BQSPI_RESETn. Active low to reset the boot flash.
Registers
Bit[5] - FILE_RESETn. Active low to reset the FILE flash.
Bit[4] - PCIE_PERSTn. Active low to reset the PCIE slot.
Bit[3:0] - Reserved
Register Data Description
® ®
Intel Arria 10 SoC Development Kit User Guide
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103