Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - display driver LED 7 segments, 7 segments, 16 segments 8 characters, 16 characters I

2-Wire Interfaced, 2.7V to 5.5V LED Display

Driver with I/O Expander and Key Scan

REGISTER DATA

MODE

ADDRESS

CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

14-segment or 16-segment mode, writing digit data

to use font map data with decimal place unlit

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

0 Bits D6 to D0 select font characters 0 to 127

14-segment or 16-segment mode, writing digit data

to use font map data with decimal place lit

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

1 Bits D6 to D0 select font characters 0 to 127

7-segment decode mode, DP unlit

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

0 0 0 0 D3 to D0

7-segment decode mode, DP lit

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

1 0 0 0 D3 to D0

7-segment no-decode mode

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

Direct control of 8 segments

Table 10. Digit Plane Data Register Format

REGISTER DATA

MODE

ADDRESS CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

Segment Line

0x20 to 0x2F

0x40 to 0x4F

0x60 to 0x6F

dp a b c d e f g

Table 11. Segment Decoding for 7-Segment Displays

MAX6955

22

Maxim Integrated