Rainbow Electronics MAX7311 User Manual
Page 12

MAX7311
2-Wire-Interfaced 16-Bit I/O Port Expander
with Interrupt
12
______________________________________________________________________________________
AD2
AD1
AD0
A6
A5
A4
A3
A2
A1
A0
ADDRESS (HEX)
GND
SCL
GND
0
0
1
0
0
0
0
0x20
GND
SCL
V
+
0
0
1
0
0
0
1
0x22
GND
SDA
GND
0
0
1
0
0
1
0
0x24
GND
SDA
V
+
0
0
1
0
0
1
1
0x26
V
+
SCL
GND
0
0
1
0
1
0
0
0x28
V
+
SCL
V
+
0
0
1
0
1
0
1
0x2A
V
+
SDA
GND
0
0
1
0
1
1
0
0x2C
V
+
SDA
V
+
0
0
1
0
1
1
1
0x2E
GND
SCL
SCL
0
0
1
1
0
0
0
0x30
GND
SCL
SDA
0
0
1
1
0
0
1
0x32
GND
SDA
SCL
0
0
1
1
0
1
0
0x34
GND
SDA
SDA
0
0
1
1
0
1
1
0x36
V
+
SCL
SCL
0
0
1
1
1
0
0
0x38
V
+
SCL
SDA
0
0
1
1
1
0
1
0x3A
V
+
SDA
SCL
0
0
1
1
1
1
0
0x3C
V
+
SDA
SDA
0
0
1
1
1
1
1
0x3E
GND
GND
GND
0
1
0
0
0
0
0
0x40
GND
GND
V
+
0
1
0
0
0
0
1
0x42
GND
V
+
GND
0
1
0
0
0
1
0
0x44
GND
V
+
V
+
0
1
0
0
0
1
1
0x46
V
+
GND
GND
0
1
0
0
1
0
0
0x48
V
+
GND
V
+
0
1
0
0
1
0
1
0x4A
V
+
V
+
GND
0
1
0
0
1
1
0
0x4C
V
+
V
+
V
+
0
1
0
0
1
1
1
0x4E
GND
GND
SCL
0
1
0
1
0
0
0
0x50
GND
GND
SDA
0
1
0
1
0
0
1
0x52
GND
V
+
SCL
0
1
0
1
0
1
0
0x54
GND
V
+
SDA
0
1
0
1
0
1
1
0x56
V
+
GND
SCL
0
1
0
1
1
0
0
0x58
V
+
GND
SDA
0
1
0
1
1
0
1
0x5A
V
+
V
+
SCL
0
1
0
1
1
1
0
0x5C
V
+
V
+
SDA
0
1
0
1
1
1
1
0x5E
Table 7. MAX7311 Address Map