MCP23009-E/SS Microchip Technology, MCP23009-E/SS Datasheet - Page 18
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MCP23009-E/SS
Manufacturer Part Number
MCP23009-E/SS
Description
IC I/O EXPANDER I2C 8B 20SSOP
Manufacturer
Microchip Technology
Specifications of MCP23009-E/SS
Package / Case
20-SSOP
Interface
I²C
Number Of I /o
8
Interrupt Output
Yes
Frequency - Clock
3.4MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Logic Family
Interface ICs
Propagation Delay Time
50 ns
Operating Supply Voltage
1.8 V to 5.5 V
Power Dissipation
700 mW
Operating Temperature Range
- 40 C to + 125 C
Input Voltage
1.8 V to 5.5 V
Logic Type
I/O Expander
Maximum Clock Frequency
10 MHz
Maximum Operating Frequency
3.4 MHz
Mounting Style
SMD/SMT
Output Current
200 mA
Output Voltage
0.6 V to 4.8 V
Chip Configuration
8 Bit
Bus Frequency
3.4MHz
Ic Interface Type
I2C
No. Of I/o's
8
Supply Voltage Range
1.8V To 5.5V
Digital Ic Case Style
SSOP
No. Of Pins
20
Interface Type
I2C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
MCP23009/MCP23S09
1.6.3
The GPINTEN register controls the interrupt-on-
change feature for each pin.
If a bit is set, the corresponding pin is enabled for
interrupt-on-change. The DEFVAL and INTCON
registers must also be configured if any pins are
enabled for interrupt-on-change.
REGISTER 1-3:
DS22121B-page 18
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
GPINT7
R/W-0
INTERRUPT-ON-CHANGE
CONTROL REGISTER
GPINT7:GPINT0: General purpose I/O interrupt-on-change pins <7:0>
1 = Enable GPIO input pin for interrupt-on-change event
0 = Disable GPIO input pin for interrupt-on-change event
Refer to INTCON and DEFVAL.
GPINT6
R/W-0
GPINTEN – INTERRUPT-ON-CHANGE PINS
W = Writable bit
‘1’ = Bit is set
GPINT5
R/W-0
GPINT4
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
GPINT3
R/W-0
GPINT2
R/W-0
© 2009 Microchip Technology Inc.
x = Bit is unknown
GPINT1
R/W-0
GPINT0
R/W-0
bit 0