MCP23017-E/ML Microchip Technology, MCP23017-E/ML Datasheet - Page 21
![IC I/O EXPANDER I2C 16B 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
MCP23017-E/ML
Manufacturer Part Number
MCP23017-E/ML
Description
IC I/O EXPANDER I2C 16B 28QFN
Manufacturer
Microchip Technology
Datasheet
1.MCP23S17-ESP.pdf
(48 pages)
Specifications of MCP23017-E/ML
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Interface
I²C
Number Of I /o
16
Interrupt Output
Yes
Frequency - Clock
1.7MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Logic Family
MCP23017
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
1.7 MHz
Mounting Style
SMD/SMT
Output Current
25 mA
Output Voltage
1.8 V to 4.5 V
Package
28QFN EP
Chip Configuration
16 Bit
Bus Frequency
1.7MHz
Ic Interface Type
I2C
No. Of I/o's
16
Supply Voltage Range
1.8V To 5.5V
Digital Ic Case Style
QFN
No. Of Pins
28
Interface Type
I2C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP23X17EV - BOARD EVAL FOR MCP23X17GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPAD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP23017-E/ML
Manufacturer:
TI
Quantity:
12 580
Part Number:
MCP23017-E/ML
Manufacturer:
MIC
Quantity:
20 000
1.6.9
The INTCAP register captures the GPIO port value at
the time the interrupt occurred. The register is ‘read
only’ and is updated only when an interrupt occurs. The
register will remain unchanged until the interrupt is
cleared via a read of INTCAP or GPIO.
REGISTER 1-9:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
ICP7
R-x
INTERRUPT CAPTURE REGISTER
ICP7:ICP0: These bits reflect the logic level on the port pins at the time of interrupt due to pin change
<7:0>
1 = Logic-high.
0 = Logic-low.
ICP6
R-x
INTCAP – INTERRUPT CAPTURED VALUE FOR PORT REGISTER (ADDR 0x08)
W = Writable bit
‘1’ = Bit is set
ICP5
R-x
ICP4
R-x
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
MCP23017/MCP23S17
ICP3
R-x
ICP2
R-x
x = Bit is unknown
ICP1
R-x
DS21952B-page 21
ICP0
R-x
bit 0