MAX6955 Maxim, MAX6955 Datasheet - Page 23

• 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

Table 12. 7-Segment Segment Mapping Decoder for Hexadecimal Font
*The decimal point is set by bit D7 = 1.
Table 13. Digit-Type Register
Output Drive Line
Slot Identification
CHARACTER
7-SEGMENT
C
D
A
B
E
0
1
2
3
4
5
6
7
8
9
F
DIGIT-TYPE
REGISTER
2-Wire Interfaced, 2.7V to 5.5V LED Display
D7*
______________________________________________________________________________________
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Driver with I/O Expander and Key Scan
D6, D5,
D4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CODE (HEX)
ADDRESS
REGISTER
DATA
0x0C
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CC7
D7
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Slot 4
CC6
D0
D6
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DP*
CC5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
D5
Slot 3
REGISTER DATA
A
1
0
1
1
0
1
1
1
1
1
1
0
1
0
1
1
CC4
D4
B
1
1
1
1
1
0
0
1
1
1
1
0
0
1
0
0
ON SEGMENTS = 1
CC3
D3
C
1
1
0
1
1
1
1
1
1
1
1
1
0
1
0
0
Slot 2
D
1
0
1
1
0
1
1
0
1
1
0
1
1
1
1
0
CC2
D2
E
1
0
1
0
0
0
1
0
1
0
1
1
1
1
1
1
CC1
D1
F
1
0
0
0
1
1
1
0
1
1
1
1
1
0
1
1
Slot 1
CC0
D0
G
0
0
1
1
1
1
1
0
1
1
1
1
0
1
1
1
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