Datasheet

MAX6953
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
✕
7
Matrix LED Display Driver
12 ______________________________________________________________________________________
REGISTER DATA
MODE
D7 D6 D5 D4 D3 D2 D1
D0
Slow blinking (segments are refreshed using plane P0 for 1s,
plane P1 for 1s, for OSC = 4MHz).
PXRTE0XS
Fast blinking (segments are refreshed using plane P0 for 0.5s,
plane P1 for 0.5s, for OSC = 4MHz).
PXRTE1XS
Table 9. Blink Rate Selection (B Data Bit D2) Format
REGISTER DATA
D7 D6 D5 D4 D3 D2 D1 D0
Configuration Register P X R T E B X S
Table 7. Configuration Register Format
REGISTER DATA
MODE
D7 D6 D5 D4 D3 D2 D1 D0
Shutdown Mode P X R T E B X 0
Normal Operation P X R T E B X 1
Table 8. Shutdown Control (S Data Bit D0) Format
REGISTER DATA
REGISTER POWER-UP CONDITION
ADDRESS
CODE (HEX)
D7 D6 D5 D4 D3 D2 D1
D0
Intensity10 1/16 (min on) 0x01 0 0 000000
Intensity32 1/16 (min on) 0x02 0 0 000000
Scan Limit Display 4 digits: 0 1 2 3 0x03 X X XXXXX1
Configuration
Shutdown enabled,
blink speed is slow,
blink disabled
0x04 0 X 0000X0
User-Defined Font
Address Pointer
Address 0x80; pointing to
the first user-defined font
location
0x05 1 0 000000
Display Test Normal operation 0x07 X X XXXXX0
Digit 0 Plane P0 Blank digit (0x20) 0x20 0 0 100000
Digit 1 Plane P0 Blank digit (0x20) 0x21 0 0 100000
Digit 2 Plane P0 Blank digit (0x20) 0x22 0 0 100000
Digit 3 Plane P0 Blank digit (0x20) 0x23 0 0 100000
Digit 0 Plane P1 Blank digit (0x20) 0x40 0 0 100000
Digit 1 Plane P1 Blank digit (0x20) 0x41 0 0 100000
Digit 2 Plane P1 Blank digit (0x20) 0x42 0 0 100000
Digit 3 Plane P1 Blank digit (0x20) 0x43 0 0 100000
Table 6. Initial Power-Up Register Status