Datasheet

Table 10. Individual Segment Current Registers
X = Don’t care bit.
Table 9. Global Segment Current Register Format (continued)
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
LED DRIVE
FRACTION
TYPICAL SEGMENT
CURRENT (mA)
ADDRESS CODE
(HEX)
D7 D6 D5 D4 D3 D2 D1 D0 HEX CODE
6/16 9 0x02 X X X X 0 1 0 1 0xX5
7/16 10.5 0x02 X X X X 0 1 1 0 0xX6
8/16 12 0x02 X X X X 0 1 1 1 0xX7
9/16 13.5 0x02 X X X X 1 0 0 0 0xX8
10/16 15 0x02 X X X X 1 0 0 1 0xX9
11/16 16.5 0x02 X X X X 1 0 1 0 0xXA
12/16 18 0x02 X X X X 1 0 1 1 0xXB
13/16 19.5 0x02 X X X X 1 1 0 0 0xXC
14/16 21 0x02 X X X X 1 1 0 1 0xXD
15/16 22.5 0x02 X X X X 1 1 1 0 0xXE
16/16 24 0x02 X X X X 1 1 1 1 0xXF
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MAX6957 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port LED Display Driver and I/O Expander