Datasheet

MAX7370
8 x 8 Key-Switch Controller and LED Driver/GPIOs
with I2C Interface and High Level of ESD Protection
35Maxim Integrated
Typical Application Circuit
KEY 7 KEY 15 KEY 23 KEY 31
KEY 6 KEY 14 KEY 22 KEY 30
KEY 5 KEY 13 KEY 21 KEY 29
KEY 4 KEY 12 KEY 20 KEY 28
KEY 3 KEY 11 KEY 19 KEY 27
KEY 2 KEY 10 KEY 18 KEY 26
KEY 1 KEY 9 KEY 17 KEY 25
KEY 0 KEY 8 KEY 16 KEY 24
I/O
I/O
I/O
COL5
COL4
COL3
COL2
COL1
COL0
ROW7
ROW6
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
COL6
COL7
+5V
+1.8V
V
CC
+2.6V
V
LA
+3.3V
V
CC
SDA
GND
SCL
µC
INT
SDA
SCL
INT
GND
AD0
MAX7370