MAX6956 데이터 시트보기 (PDF) - Maxim Integrated
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MAX6956
Maxim Integrated
MAX6956 Datasheet PDF : 24 Pages
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2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port LED Display Driver and I/O Expander
7-SEGMENT DIGIT 1
7-SEGMENT DIGIT 2
7-SEGMENT DIGIT 3
V+
7-SEGMENT DIGIT 4
VIRTUAL SEGMENTS
P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31
7-SEGMENT DIGIT 5
7-SEGMENT DIGIT 6
7-SEGMENT DIGIT 7
V+
VIRTUAL SEGMENTS
P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31
Figure 7. Two MAX6956s Controlling Seven 7-Segment Displays
COMMAND BYTE IS STORED ON RECEIPT OF STOP CONDITION
ACKNOWLEDGE FROM MAX6956
D15 D14 D13 D12 D11 D10 D9 D8
S
SLAVE ADDRESS
0A
COMMAND BYTE
AP
COMMAND BYTE RECEIVED
R/W
ACKNOWLEDGE FROM MAX6956
Figure 8. Command Byte Received
HOW COMMAND BYTE AND DATA BYTE MAP INTO MAX6956's REGISTER
ACKNOWLEDGE FROM MAX6956
ACKNOWLEDGE FROM MAX6956
D15 D14 D13 D12 D11 D10 D9 D8
ACKNOWLEDGE FROM MAX6956
D7 D6 D5 D4 D3 D2 D1 D0
S
SLAVE ADDRESS
0A
COMMAND BYTE
A
DATA BYTE
AP
R/W
Figure 9. Command and Single Data Byte Received
1 BYTE
10 ______________________________________________________________________________________
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