abaco systems XVR16 Series, Hardware Reference Manual, Page: 105 / 151

Publication No. 500-9300007876-000 Rev. C.0 FPGA Registers 105
Table 8-73 Scratch Pad Register (0x6C6)
Bit R/W Description Default
7:0 R/W SCRATCH_PAD7:SCRATCH_PAD0 0x00
Table 8-74 PMC1/XMC1 Status Register (0x6C8)
Bit R/W Description Default
7 R XMC1 Presence
1 = XMC1 is fitted
0 = XMC1 is not fitted
NA
6 R XMC1 VPWR voltage
0 = XMC1 VPWR rail is 5 V
1 = XMC1 VPWR rail is 12 V
NA
5 R XMC1 BIST status
1 = XMC1 BIST is active
0 = XMC1 BIST is not active
NA
4:3 R Reserved NA
2 R PMC1 enumeration-ready status
1 = PMC1 ERDY pin is active (OK to enumerate)
0 = PMC1 ERDY pin is not active
NA
1 R PMC1 VIO voltage
1 = PMC1 VIO voltage = 5 V
0 = PMC1 VIO voltage = 3.3 V
NA
0 R PMC1 Presence
1 = PMC1 is fitted
0 = PMC1 is not fitted
NA