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MAX6954AAX+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39
MAX6954
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
34 ______________________________________________________________________________________
*
7-segment digits can be replaced by directly controlled discrete LEDs according to settings in the decode mode register (Table 11).
**
The highlighted row is used in Typical Operating Circuit 1 for display digits 6 and 7.
C O N F I G U R A T IO N
C H O IC E
C o m m o n - C a t h o d e
D r i v e : D ig it Ty p e
CC6: 16-seg monocolor
CC7: 16-seg monocolor
CC6 and CC7:
(2) 7-seg bicolor
or (4) 7-seg monocolor
or (1) 7-seg bicolor
and (2) 7-seg monocolor*
CC6 and CC7:
(1)16-seg bicolor
CC6: 16-seg monocolor
CC6: (2) 7-seg monocolor*
or 7-seg bicolor
CC7: 14-seg monocolor
CC6: 14-seg monocolor
CC7: 16-seg monocolor
CC7: (2) 7-seg monocolor*
or 7-seg bicolor
CC6 and CC7: (2) 14-seg
monocolor or 14-seg
bicolor
00
a1 a1
1a a1 a1 1a a a a1 1a a
01
a2 a2
— a2 a2 — — — a2 — —
02 bb 1b bb1bbbb1b b
03 cc 1c cc1cccc1c c
04
d1 d1
1d d1 d1 1d d d d1 1d d
05
d2 d2
1dp d2 d2 1dp — — d2
1dp
—
06
CC6
— CC6
CC6 CC6 CC6
—
CC6
— — CC6
07
— CC7
CC7
CC7
——
CC7
—
CC7 CC7
CC7
08 ee 1e ee1eeee1e e
09 ff 1f ff1ffff1f f
010
g1 g1
1g g1 g1 1g g1 g1 g1 1g g1
011
g2 g2
2a g2 g2 2a g2 g2 g2 2a g2
012 hh 2b hh2bhhh2b h
013 ii 2c ii2ciii2c i
014 jj 2d jj2djjj2d j
015 kk 2e kk2ekkk2e k
016 ll 2f ll2flll2f l
017 mm 2g mm2gmmm2g m
018
dp dp
2dp dp dp 2dp dp dp dp
2dp
dp
ADDRESS
CODE (HEX)
0x0C
D7
0101
D6 0 0 1 1
D5
D4
See Table 39.
D3
D2
See Table 38.
D1
REGISTER DATA
D0
See Table 37.
Table 40. Slot 4 Configuration
MAX6954
f
a
Rcc
dp
g
Gcc
b
c
e
d
DIGIT 0b (RED), DIGIT 1b (GREEN)
7-SEGMENT BICOLOR LED
O16
O17
O18
O0
O1
O11
O12
O13
O14
O0
O2
O3
O4
O15
f
a
h
g2
g1
i
b
c
e
d
DIGITS 2 AND 3
14-SEGMENT BICOLOR
DIGIT 6
4 x 4 MATRIX OF DISCRETE MONOCOLOR LEDs
O8
O9
O10
O11
O12
O0
O4
O5
O6
m
Rcc
dp
Ccc
j
l
k
O16
O17
O18
O2
O3
O13
O14
O15
f
a
CC1
dp
g
CC0
b
c
e
d
DIGITS 0a AND 1a
7-SEGMENT MONOCOLOR
O9
O10
O7
O1
O0
O2
O4
O5
O6
O8
d2
a1
g1
f
e
g2
a2
b
d1
c
DIGIT 5
16-SEGMENT MONOCOLOR
O6
O7
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O5
O11
O12
O13
d2
a1
g1
f
e
g2
a2
b
d1
c
DIGIT 4
16-SEGMENT MONOCOLOR
O6
O7
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O4
O11
O12
O13
3.3V
100nF
47μF
O0
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
O13
O14
O15
O16
O17
O18
P0
P1
P2
P3
P4
ISET
56kΩ
OSC_OUT
OSC
V+
V+
GND
GND
DOUT
V+
GND
DIN
CLK
CS
BLINK
O5
O8
O9
O10
O11
O12
O13
O14
O15
O16
O17
O18
O6
22pF
O0
O2
O3
O4
DIGIT 7
4 x 4 MATRIX OF DISCRETE MONOCOLOR LEDs
O5
O8
O9
O10
O11
O12
O13
O14
O15
O16
O17
O18
O7
MAX6954
Typical Operating Circuits
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
______________________________________________________________________________________ 35
MAX6954
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
36 ______________________________________________________________________________________
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 0
O6
O7
O8
O9
O10
O2
O3
O4
O5
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O0
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 2
O6
O7
O8
O9
O10
O0
O1
O4
O5
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O2
O11
O12
O13
3.3V
100nF
47μF
O0
O1
O2
O3
O4
O5
O6
O7
O8
O9
O10
O11
O12
O13
O14
O15
O16
O17
O18
P0
P1
P2
P3
P4
ISET
OSC_OUT
OSC
V+
V+
GND
GND
DOUT
V+
GND
DIN
CLK
CS
BLINK
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 1
O6
O7
O8
O9
O10
O2
O3
O4
O5
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O1
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 3
O6
O7
O8
O9
O10
O0
O1
O4
O5
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O3
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 6
O4
O5
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O6
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 7
O4
O5
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O7
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 4
O6
O6
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O4
O11
O12
O13
d2
a
g1
f
e
g2
a2
b
d1
c
DIGIT 5
O6
O7
O8
O9
O10
O0
O1
O2
O3
k
m
l
dp
h
j
i
O14
O15
O16
O17
O18
cc
O5
O11
O12
O13
MAX6954
56kΩ
22pF
Typical Operating Circuits (continued)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39

MAX6954AAX+

Mfr. #:
Buy MAX6954AAX+
Manufacturer:
Maxim Integrated
Description:
LED Display Drivers 2.7-5.5V LED Display Driver
Lifecycle:
New from this manufacturer.
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