MAX6957 Datasheet, PDF (17/23 Pages) Maxim Integrated Products – 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander

4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port LED Display Driver and I/O Expander
Table 9. Global Segment Current Register Format (continued)
LED DRIVE
FRACTION
TYPICAL SEGMENT
CURRENT (mA)
6/16
9
7/16
10.5
8/16
12
9/16
13.5
10/16
15
11/16
16.5
12/16
18
13/16
19.5
14/16
21
15/16
22.5
16/16
24
X = Don’t care bit.
ADDRESS
CODE (HEX)
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
D7 D6 D5 D4 D3 D2 D1 D0 HEX CODE
XXXX0 1 0 1
XXXX0 1 1 0
XXXX0 1 1 1
XXXX1 0 0 0
XXXX1 0 0 1
XXXX1 0 1 0
XXXX1 0 1 1
XXXX1 1 0 0
XXXX1 1 0 1
XXXX1 1 1 0
XXXX1 1 1 1
0xX5
0xX6
0xX7
0xX8
0xX9
0xXA
0xXB
0xXC
0xXD
0xXE
0xXF
Table 10. Individual Segment Current Registers
REGISTER
FUNCTION
ADDRESS
D7
CODE (HEX)
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
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