DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming
3-190
API Mnemonic Operands Function
73
SEGD P 7-segment decoder
Controllers
ES2/EX2 SS2 SA2
SE SX2
Bit Devices Word devices Program Steps Type
OP X Y M S K H KnX KnYKnM KnS T C D E F
S * * * * * * * * ***
D * * * * * ***
SEGD, SEGDP: 5 steps
PULSE 16-bit 32-bit
ES2/EX2 SS2 SA2
SE SX2 ES2/EX2 SS2 SA2
SE SX2 ES2/EX2 SS2 SA2
SE SX2
Operands:
S: Source device for decoding D: Output device after decoding
Explanations:
The instruction decodes the lower 4 bits (Hex data: 0 to 9, A to F) of source device S and stores the
decoded data in lower 8 bits of D so as to form a 7-segment display.
Program Example:
When X20 = ON, the content of the lower 4 bits (b0~b3) of
D10 will be decoded into the 7-segment display. . The
decoded results will be stored in Y20~Y27. If the source
data exceeds 4bits, still only lower 4 bits will be decoded.
X20 SEGD D10 K2Y20
Decoding table of the 7-segment display:
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F 1111
1110
1101
1100
1011
1010
1001
1000
0111
0110
0101
0100
0011
0010
0001
0000 ON OFFON ON ON ON ON
OFFOFFOFFOFF OFF
ON ON
ON ON ON ON
OFF OFF ON
ON ON ON ON ON
OFF
OFF
OFFOFF OFF
ON ON ON ON
ON OFF ON ON OFF ON ON
OFF ON ON ON ON ON
ON ON ON OFFOFF OFF
ON ON ON ON ON ON ON
ON ON ON ON ON ON
OFF
ON ON
OFF OFF ON ON ON
OFF ONON
ON OFF ON
OFF OFF ON ON ON ON
OFF OFF OFF
a
c
b
d
g
ON
ON
ONON ON
ON OFF
ON ON
ON OFF ON OFF
OFF ON ON ON
ON ON ON
ON
ON
Hex Bit
combi-
nation
Composition
of the 7-
segment display
Status of each segment Data
displayed