MAX6957 MAXIM [Maxim Integrated Products], MAX6957 Datasheet - Page 17

• Manufacturer Part Number: MAX6957
• Description: 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 9. Global Segment Current Register Format (continued)
Table 10. Individual Segment Current Registers
X = Don’t care bit.
LED DRIVE
FRACTION
Current0DC register
Current1DC register
Current0BA register
Current1BA register
Current054 register
Current076 register
Current098 register
Current0FE register
Current110 register
Current132 register
Current154 register
Current176 register
Current198 register
Current1FE register
10/16
11/16
12/16
13/16
14/16
15/16
16/16
6/16
7/16
8/16
9/16
REGISTER
FUNCTION
28-Port LED Display Driver and I/O Expander
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
TYPICAL SEGMENT
______________________________________________________________________________________
CURRENT (mA)
CODE (HEX)
10.5
13.5
16.5
19.5
22.5
12
15
18
21
24
ADDRESS
9
0x1A
0x1B
0x1C
0x1D
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1E
0x1F
CODE (HEX)
D7
ADDRESS
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
D6
Segment 11
Segment 13
Segment 15
Segment 17
Segment 19
Segment 21
Segment 23
Segment 25
Segment 27
Segment 29
Segment 31
Segment 5
Segment 7
Segment 9
D7
X
X
X
X
X
X
X
X
X
X
X
D5
D6
X
X
X
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
X
X
X
X
X
X
D4
D4
X
X
X
X
X
X
X
X
X
X
X
D3
D3
0
0
0
1
1
1
1
1
1
1
1
D2
1
1
1
0
0
0
0
1
1
1
1
D2
Segment 10
Segment 12
Segment 14
Segment 16
Segment 18
Segment 20
Segment 22
Segment 24
Segment 26
Segment 28
Segment 30
Segment 4
Segment 6
Segment 8
D1
0
1
1
0
0
1
1
0
0
1
1
D0
1
0
1
0
1
0
1
0
1
0
1
D1
HEX CODE
0xXA
0xXB
0xXC
0xXD
0xX5
0xX6
0xX7
0xX8
0xX9
0xXE
0xXF
D0
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