MAX6954 Maxim, MAX6954 Datasheet - Page 14

• Manufacturer Part Number: MAX6954
• Description: 4-Wire Interfaced / 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
• Manufacturer: Maxim

4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 6. Register Address Map (continued)
14
Digit 4a Plane P0 (7 Segment Only)
Digit 5a Plane P0 (7 Segment Only)
Digit 6a Plane P0 (7 Segment Only)
Digit 7a Plane P0 (7 Segment Only)
Digit 0 Plane P1
Digit 1 Plane P1
Digit 2 Plane P1
Digit 3 Plane P1
Digit 4 Plane P1
Digit 5 Plane P1
Digit 6 Plane P1
Digit 7 Plane P1
Digit 0a Plane P1 (7 Segment Only)
Digit 1a Plane P1 (7 Segment Only)
Digit 2a Plane P1 (7 Segment Only)
Digit 3a Plane P1 (7 Segment Only)
Digit 4a Plane P1 (7 Segment Only)
Digit 5a Plane P1 (7 Segment Only)
Digit 6a Plane P1 (7 Segment Only)
Digit 7a Plane P1 (7 Segment Only)
Write Digit 0 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 1 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 2 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 3 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 4 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 5 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 6 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 7 Planes P0 and P1 with Same
Data, Reads as 0x00
Write Digit 0a Planes P0 and P1 with Same
Data (7 Segment Only), Reads as 0x00
Write Digit 1a Planes P0 and P1 with Same
Data (7 Segment Only), Reads as 0x00
______________________________________________________________________________________
REGISTER
D15
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
D14
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
ADDRESS (COMMAND BYTE)
D13
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
D12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D11
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
D10
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
D9
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
HEX CODE
0x2C
0x2D
0x4C
0x4D
0x2E
0x2F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4E
0x4F
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
0x68
0x69