SER7 Datasheet, PDF (8/11 Pages) ABCircuits – Serial to Seven Segment Controller Expandable to 32 digits

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Expansion Example, Left Justified
DISPLAY DISPLAY
DISPLAY DISPLAY
DISPLAY DISPLAY
ADDRESS 0
SER7
26
3
ADR3
25
4
ADR2
ADR1
ADR0
SEGL
1 _JUST
ADDRESS 1
SER7
26
3
ADR3
25
4
ADR2
ADR1
ADR0
SEGL
1 _JUST
ADDRESS 15
SER7
26
3
ADR3
25
4
ADR2
ADR1
ADR0
SEGL
1 _JUST
SIN
24
SIN-
SEGR
24
SIN-
SEGR
24
SIN-
SEGR
In left justify mode, address 0 is on the left. A one byte message will be displayed on the left digit
of address 0.
Expansion Example, Right Justified
DISPLAY DISPLAY
DISPLAY DISPLAY
DISPLAY DISPLAY
ADDRESS 15
SER7
26
3
25
4
ADR3
ADR2
ADR1
ADR0
SEGL
1 _JUST
ADDRESS 1
SER7
26
3
25
4
ADR3
ADR2
ADR1
ADR0
SEGL
1 _JUST
ADDRESS 0
SER7
26
3
25
4
ADR3
ADR2
ADR1
ADR0
SEGL
1 _JUST
SIN
24 _SIN-
SEGR
24 _SIN-
SEGR
24 _SIN-
SEGR
In right justify mode, address 0 is on the right. A one byte message will be displayed on the right
digit of address 0.
Using Drivers For Brighter Displays
VCC
SIN-
VCC
28
19
9
VDD
NC
NC
24 _SIN-
SER7
SEGLDP
SEGLG
5
23
6
1
2
3
IN1
IN2
SEGLF
SEGLE
SEGLD
22
7
21
4
5
6
IN3
IN4
IN5
SEGLC _{8 7} IN6
SEGLB
SEGLA
20
8
IN7
IN8
OUT1
OUT2
18
17
16
OUT3
OUT4
OUT5
15
14
13
OUT6 ₁₂
OUT7
OUT8
11
26
3
25
4
ADR3
ADR2
ADR1
ADR0
27
2 ^POL
1
14
DP
JUST
VSS
ULN2804
ULN2804
SEGRDP
10
18
1
2
IN1
SEGRG
SEGRF
SEGRE
11
17
12
3
4
5
IN2
IN3
IN4
SEGRD _{16 6} IN5
SEGRC
SEGRB
SEGRA
13
15
7
8
IN6
IN7
IN8
OUT1
18
17
OUT2
OUT3
OUT4
16
15
14
OUT5 ₁₃
OUT6
OUT7
OUT8
12
11
VCC
COMMON ANODE
LEFT DISPLAY VCC
DP
G
F_F
E
D
C
B
E
A
A ^COM
B
G
C
D
COMMON ANODE
RIGHT DISPLAY VCC
DP
G
F_F
E
D
C
B
E
A
A ^COM
B
G
C
D
Part Number SER7
Copyright © 2014 ABCircuits. Revised September 2014 Page 8 of 11