Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - display driver LED I²C 180 µA SSOP 28

MAX6956

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or

28-Port LED Display Driver and I/O Expander

18 ______________________________________________________________________________________

Table 12. Individual Segment Current Registers

REGISTER

FUNCTION

ADDRESS

CODE (HEX)

D7 D6 D5 D4 D3 D2 D1 D0

Current054 register 0x12 Segment 5 Segment 4

Current076 register 0x13 Segment 7 Segment 6

Current098 register 0x14 Segment 9 Segment 8

Current0BA register 0x15 Segment 11 Segment 10

Current0DC register 0x16 Segment 13 Segment 12

Current0FE register 0x17 Segment 15 Segment 14

Current110 register 0x18 Segment 17 Segment 16

Current132 register 0x19 Segment 19 Segment 18

Current154 register 0x1A Segment 21 Segment 20

Current176 register 0x1B Segment 23 Segment 22

Current198 register 0x1C Segment 25 Segment 24

Current1BA register 0x1D Segment 27 Segment 26

Current1DC register 0x1E Segment 29 Segment 28

Current1FE register 0x1F Segment 31 Segment 30

Table 13. Even Individual Segment Current Format

LED DRIVE

FRACTION

SEGMENT

CONSTANT

CURRENT WITH

R

ISET

= 39kΩ (mA)

ADDRESS

CODE (HEX)

D7 D6 D5 D4 D3 D2 D1 D0 HEX CODE

1/16 1.5 0x12 to 0x1F 0000 0xX0

2/16 3 0x12 to 0x1F 0001 0xX1

3/16 4.5 0x12 to 0x1F 0010 0xX2

4/16 6 0x12 to 0x1F 0011 0xX3

5/16 7.5 0x12 to 0x1F 0100 0xX4

6/16 9 0x12 to 0x1F 0101 0xX5

7/16 10.5 0x12 to 0x1F See Table 14. 0110 0xX6

8/16 12 0x12 to 0x1F 0111 0xX7

9/16 13.5 0x12 to 0x1F 1000 0xX8

10/16 15 0x12 to 0x1F 1001 0xX9

11/16 16.5 0x12 to 0x1F 1010 0xXA

12/16 18 0x12 to 0x1F 1011 0xXB

13/16 19.5 0x12 to 0x1F 1100 0xXC

14/16 21 0x12 to 0x1F 1101 0xXD

15/16 22.5 0x12 to 0x1F 1110 0xXE

16/16 24 0x12 to 0x1F 1111 0xXF