2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
Matrix LED Display Driver
MAX6953
Table 6. Initial Power-Up Register Status
REGISTER
Intensity10
Intensity32
Scan Limit
Configuration
POWER-UP CONDITION
1/16 (min on)
1/16 (min on)
Display 4 digits: 0 1 2 3
Shutdown enabled,
blink speed is slow,
blink disabled
Address 0x80; pointing to
the first user-defined font
location
Normal operation
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
ADDRESS
CODE (HEX)
0x01
0x02
0x03
0x04
D7
0
0
X
0
D6
0
0
X
X
D5
0
0
X
0
REGISTER DATA
D4
0
0
X
0
D3
0
0
X
0
鉁?/div>
7
D2
0
0
X
0
D1
0
0
X
X
D0
0
0
1
0
User-Defined Font
Address Pointer
Display Test
Digit 0 Plane P0
Digit 1 Plane P0
Digit 2 Plane P0
Digit 3 Plane P0
Digit 0 Plane P1
Digit 1 Plane P1
Digit 2 Plane P1
Digit 3 Plane P1
0x05
0x07
0x20
0x21
0x22
0x23
0x40
0x41
0x42
0x43
1
X
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
X
1
1
1
1
1
1
1
1
0
X
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 7. Configuration Register Format
REGISTER DATA
D7
Configuration Register
P
D6
X
D5
R
D4
T
D3
E
D2
B
D1
X
D0
S
Table 8. Shutdown Control (S Data Bit D0) Format
MODE
Shutdown Mode
Normal Operation
REGISTER DATA
D7
P
P
D6
X
X
D5
R
R
D4
T
T
D3
E
E
D2
B
B
D1
X
X
D0
0
1
Table 9. Blink Rate Selection (B Data Bit D2) Format
MODE
Slow blinking (segments are refreshed using plane P0 for 1s,
plane P1 for 1s, for OSC = 4MHz).
Fast blinking (segments are refreshed using plane P0 for 0.5s,
plane P1 for 0.5s, for OSC = 4MHz).
REGISTER DATA
D7
P
P
D6
X
X
D5
R
R
D4
T
T
D3
E
E
D2
0
1
D1
X
X
D0
S
S
12
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