MAX6955 Maxim, MAX6955 Datasheet - Page 28

• Manufacturer Part Number: MAX6955
• Description: 2-Wire Interfaced / 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
• Manufacturer: Maxim

2-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 28. Individual Segment Intensity Registers
Table 29. Even Individual Segment Intensity Format
28
Intensity10 Register
Intensity32 Register
Intensity54 Register
Intensity76 Register
Intensity10a Register
Intensity32a Register
Intensity54a Register
Intensity76a Register
15/16 (max on)
1/16 (min on)
______________________________________________________________________________________
CYCLE
DUTY
10/16
11/16
12/16
13/16
14/16
15/16
REGISTER
FUNCTION
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
CURRENT (mA)
SEGMENT
TYPICAL
12.5
17.5
22.5
27.5
32.5
37.5
37.5
2.5
7.5
10
15
20
25
30
35
5
CODE (HEX)
ADDRESS
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
ADDRESS
CODE
(HEX)
D7
Digit 1a (7 segment only)
Digit 3a (7 segment only)
Digit 5a (7 segment only)
Digit 7a (7 segment only)
D7
D6
Digit 1
Digit 3
Digit 5
Digit 7
See Table 30.
D6
D5
D5
REGISTER DATA
REGISTER DATA
D4
D4
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D3
Digit 0a (7 segment only)
Digit 2a (7 segment only)
Digit 4a (7 segment only)
Digit 6a (7 segment only)
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D2
Digit 0
Digit 2
Digit 4
Digit 6
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CODE
0xXA
0xXB
0xXC
0xXD
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
0xX8
0xX9
0xXE
0xXF
HEX
D0