MAX7370 Maxim, MAX7370 Datasheet - Page 35

• Manufacturer Part Number: MAX7370
• Description: The MAX7370 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with optional GPIO and PWM-controlled LED drivers
• Manufacturer: Maxim

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