MAX6953 Maxim Integrated Products, MAX6953 Datasheet - Page 12

• Manufacturer Part Number: MAX6953
• Description: 2-Wire Interfaced/ 2.7V to 5.5V/ 4-Digit 5 x 7 Matrix LED Display Driver
• Manufacturer: Maxim Integrated Products

2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
Matrix LED Display Driver
Table 6. Initial Power-Up Register Status
Table 7. Configuration Register Format
Table 8. Shutdown Control (S Data Bit D0) Format
Table 9. Blink Rate Selection (B Data Bit D2) Format
12
Shutdown Mode
Normal Operation
Intensity10
Intensity32
Scan Limit
Configuration
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
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).
Configuration Register
______________________________________________________________________________________
REGISTER
MODE
Address 0x80; pointing to
POWER-UP CONDITION
the first user-defined font
Display 4 digits: 0 1 2 3
MODE
Shutdown enabled,
blink speed is slow,
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Blank digit (0x20)
Normal operation
D7
blink disabled
P
1/16 (min on)
1/16 (min on)
location
D7
P
P
D6
X
D6
X
X
CODE (HEX)
D5
ADDRESS
R
0x01
0x02
0x03
0x04
0x05
0x07
0x20
0x21
0x22
0x23
0x40
0x41
0x42
0x43
D5
R
R
D7
P
P
REGISTER DATA
D4
T
D7
REGISTER DATA
X
X
D6
0
0
0
1
0
0
0
0
0
0
0
0
X
X
D4
T
T
D6
0
0
X
X
0
X
0
0
0
0
0
0
0
0
D5
D3
R
R
E
REGISTER DATA
D3
D5
E
E
X
X
0
0
0
0
1
1
1
1
1
1
1
1
D4
REGISTER DATA
T
T
D4
D2
0
0
X
0
0
X
0
0
0
0
0
0
0
0
B
D2
D3
B
B
E
E
D3
0
0
X
0
0
X
0
0
0
0
0
0
0
0
D2
0
1
D1
X
✕
D2
D1
X
X
0
0
0
0
0
0
0
0
0
0
0
0
X
X
7
D1
X
X
D1
X
X
X
0
0
0
0
0
0
0
0
0
0
0
D0
D0
S
0
1
D0
S
S
D0
0
0
1
0
0
0
0
0
0
0
0
0
0
0