MCU Registers v2.0

fpga_mcu_regs_v2_0.h

• SDB Device ID 0x47567e3c

RegIO

Base address - 0x4000, mask - 0x001F

Reg 0x0000 - Device ID, RW

• [7:0] - Device ID

• [15:8] - inverted device ID

Reg 0x0001 - Onboard PLL Status, RO

• [0] - unused
• [2:1] - active reference index
• [3] - PLL locked status
• [4] - reference input A valid
• [5] - reference input B valid
• [6] - reference input C valid
• [7] - reference input D valid
• [15:8] - reserved

Reg 0x0002 - Onboard PLL unlock counter, RO

• [15:0] - unlock counter

Reg 0x0003 - Temperature 1, RW

• [15:0] - 16-bit signed, 1/32 degrees °C

Reg 0x0004 - Temperature 2, RW

Reg 0x0005 - Temperature 3, RW

Reg 0x0006 - Temperature 4, RW

Reg 0x0007 - reserved

Reg 0x0008 - BMC firmware version, RW

• [7:0] - minor version
• [15:8] - major version

Reg 0x0009 - BMC firmware revision, RW

Reg 0x000A - BMC overall system status, RW

• [1:0] - 0: unknown, 1: normal, 2: warning, 3: critical

Reg 0x000B - BMC power status, RW

Reg 0x000C - BMC PLL status, RW

Reg 0x000E - live magic unused in fpga_spi_v3, RW

Reg 0x000F - live magic inverted unused in fpga_spi_v3, RW

Reg 0x0010 - supply voltage 1, mV

Reg 0x0011 - supply current 1, mA

Reg 0x0012 - supply voltage 2, mV

Reg 0x0013 - supply current 2, mA

Reg 0x0014 - supply voltage 3, mV

Reg 0x0015 - supply current 3, mA

Reg 0x0016 - supply voltage 4, mV

Reg 0x0017 - supply current 4, mA

Reg 0x0018 - supply voltage 5, mV

Reg 0x0019 - supply current 5, mA

Reg 0x001A - supply voltage 6, mV

Reg 0x001B - supply current 6, mA

Reg 0x001C - BMC MAC address (low octets)

Reg 0x001D - BMC MAC address (mid octets) (high octets not included, constant 0x02 0xA6)

Reg 0x001E - BMC IP address (low octets)

Reg 0x001F - BMC IP address (high octets)

Temperature Sensor Map

Power Supply Sensor Map

BMC SDB