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Table 4-12 SYS_MISC Register bit assignments
Bits
Name
Function
[31:20]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
[19]
SWINT
Event output to daughterboard. See
your daughterboard documentation for
more information specific to your
board.
[18:14]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
[13]
nDBDET
Detect fitted daughterboard:
0b0
Daughterboard not present.
0b1
Daughterboard present.
[12:0]
-
Reserved. If you write to this register,
you must write all zeros to these bits. If
you read this register, you must ignore
these bits.
Related concepts
4.3.1 APB system register summary
4.3.10
SYS_PCIE_CNTL Register
The SYS_PCIE_CNTL Register characteristics are:
Purpose
Error signal from PCIe switch and reset signal to PCIe Express slots.
Usage constraints
There are no usage constraints.
Configurations
Available in all V2M-Juno r2 motherboard configurations.
The following figure shows the bit assignments.
31
0
Reserved
2 1
PCIE_nPERST
PCIE_RSTHALT
Figure 4-11 SYS_PCIE_CNTL Register bit assignments
The following table shows the bit assignments.
4 Programmers Model
4.3 APB system registers
ARM 100114_0200_03_en
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