Rainbow Electronics MAX7359 - Manual (Page 19)

MAX7359
2-Wire Interfaced Low-EMI
Key Switch Controller/GPO
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MAX7359
MAX7359
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
COL0
COL1
COL2/PORT2
COL3/PORT3
COL4/PORT4
COL5/PORT5
GND
V
CC
COL6/PORT6
COL7/PORT7
AD0
SCL
SDA
INT
SCL
SDA
INT
1.8V
GND
μC
V CC
3.3V 3.3V
5V
KEY 0
KEY 1
KEY 2
KEY 3
KEY 4
KEY 5
KEY 6
KEY 7
KEY 8
KEY 9
KEY 10
KEY 11
KEY 12
KEY 13
KEY 14
KEY 15
KEY 16
KEY 17
KEY 18
KEY 19
KEY 20
KEY 21
KEY 22
KEY 23
KEY 24
KEY 25
KEY 26
KEY 27
KEY 28
KEY 29
KEY 30
KEY 31
KEY 32
KEY 33
KEY 34
KEY 35
KEY 36
KEY 37
KEY 38
KEY 39
KEY 40
KEY 41
KEY 42
KEY 43
KEY 44
KEY 45
KEY 46
KEY 47
Typical Application Circuit