Datasheet

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Table 28. Even Individual Segment Intensity Format

Table 27. Individual Segment Intensity Registers

DUTY

CYCLE

TYPICAL

SEGMENT

CURRENT (mA)

ADDRESS

CODE

(HEX)

HEX

CODE

D7 D6 D5 D4 D3 D2 D1 D0

1/16 (min on) 2.5 0x10 to 0x17

See Table 29.

0 0 0 0 0xX0

2/16 5 0x10 to 0x17 0 0 0 1 0xX1

3/16 7.5 0x10 to 0x17 0 0 1 0 0xX2

4/16 10 0x10 to 0x17 0 0 1 1 0xX3

5/16 12.5 0x10 to 0x17 0 1 0 0 0xX4

6/16 15 0x10 to 0x17 0 1 0 1 0xX5

7/16 17.5 0x10 to 0x17 0 1 1 0 0xX6

8/16 20 0x10 to 0x17 0 1 1 1 0xX7

9/16 22.5 0x10 to 0x17 1 0 0 0 0xX8

10/16 25 0x10 to 0x17 1 0 0 1 0xX9

11/16 27.5 0x10 to 0x17 1 0 1 0 0xXA

12/16 30 0x10 to 0x17 1 0 1 1 0xXB

13/16 32.5 0x10 to 0x17 1 1 0 0 0xXC

14/16 35 0x10 to 0x17 1 1 0 1 0xXD

15/16 37.5 0x10 to 0x17 1 1 1 0 0xXE

15/16 (max on) 37.5 0x10 to 0x17 1 1 1 1 0xXF

FUNCTION

ADDRESS

CODE (HEX)

D7 D6 D5 D4 D3 D2 D1 D0

Intensity10 Register 0x10 Digit 1 Digit 0

Intensity32 Register 0x11 Digit 3 Digit 2

Intensity54 Register 0x12 Digit 5 Digit 4

Intensity76 Register 0x13 Digit 7 Digit 6

Intensity10a Register 0x14 Digit 1a (7 segment only) Digit 0a (7 segment only)

Intensity32a Register 0x15 Digit 3a (7 segment only) Digit 2a (7 segment only)

Intensity54a Register 0x16 Digit 5a (7 segment only) Digit 4a (7 segment only)

Intensity76a Register 0x17 Digit 7a (7 segment only) Digit 6a (7 segment only)

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MAX6954 4-Wire Interfaced, 2.7V to 5.5V LED Display

Driver with I/O Expander and Key Scan