MAX6954_09 MAXIM [Maxim Integrated Products], MAX6954_09 Datasheet - Page 21

• Manufacturer Part Number: MAX6954_09
• Description: 4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 9. Digit Plane Data Register Format
Table 10. Segment Decoding for 7-Segment Displays
Segment Line
14-segment or 16-segment mode, writing digit data
to use font map data with decimal place unlit
14-segment or 16-segment mode, writing digit data
to use font map data with decimal place lit
7-segment decode mode, DP unlit
7-segment decode mode, DP lit
7-segment no-decode mode
MODE
4-Wire Interfaced, 2.7V to 5.5V LED Display
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ADDRESS CODE
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
MODE
Driver with I/O Expander and Key Scan
(HEX)
D7
dp
D6
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
0x20 to 0x2F
0x40 to 0x4F
0x60 to 0x6F
a
ADDRESS
CODE
(HEX)
D5
b
D7
0
1
0
1
REGISTER DATA
D4
c
D6
0
0
Bits D6 to D0 select font characters 0 to 127
Bits D6 to D0 select font characters 0 to 127
Direct control of 8 segments
D5
0
0
D3
d
REGISTER DATA
D4
0
0
D2
e
D3
D2
D3 to D0
D3 to D0
D1
f
D1
D0
g
D0
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