Force SPARC/CPCI-520G, Technical Reference Manual

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Hardware Description Ethernet and EBus2 Devices – PCIO
SPARC/CPCI-52x(G) Page 87
DP
and
SEG_G
… SEG_A
(w)
DP
and
SEG_G
…
SEG_A
control the status of the decimal point (DP)
and the segments (
SEG_G
…
SEG_A
) in the hexadecimal display (see fig-
ure below for naming conventions).
= 0
The respective part of the display is turned OFF.
= 1
The respective part of the display is turned ON.
Figure 24 Naming the parts of the 7-segment LED display
ROTARY_SW
(ro)
ROTARY_SW
indicates the current state of the rotary switch:
= 0000
2
Rotary switch set to
0
16
(=
0000
2
)
= 0001
2
Rotary switch set to
1
16
(=
0001
2
)
= 0010
2
Rotary switch set to
2
16
(=
0010
2
)
…
…
= 1110
2
Rotary switch set to
E
16
(=
1110
2
)
= 1111
2
Rotary switch set to
F
16
(=
1111
2
)
Table 44 7-Segment LED Display Control Register
F160.0010
16
Bit 7 6 5 4 3 2 1 0
Value
SEG
DP
SEG
G
SEG
F
SEG
E
SEG
D
SEG
C
SEG
B
SEG
A
…_A
…_G
…_D
…_F
DP
…_E
…_B
…_C
Table 45 Rotary Switch Status Register
F160.0011
16
Bit 7 6 5 4 3 2 1 0
Value
1 1 1 1 ROTARY_SW