MCP23S17-E/SP Microchip Technology, MCP23S17-E/SP Datasheet - Page 21
![IC I/O EXPANDER SPI 16B 28SDIP](/photos/6/59/65908/150-28-dip_sml.jpg)
MCP23S17-E/SP
Manufacturer Part Number
MCP23S17-E/SP
Description
IC I/O EXPANDER SPI 16B 28SDIP
Manufacturer
Microchip Technology
Type
I/O Expanderr
Datasheet
1.MCP23S17-ESP.pdf
(48 pages)
Specifications of MCP23S17-E/SP
Package / Case
28-DIP (0.300", 7.62mm)
Interface
SPI
Number Of I /o
16
Interrupt Output
Yes
Frequency - Clock
10MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
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:
MCP23S17-E/SP
Manufacturer:
Microchip
Quantity:
3 540
Part Number:
MCP23S17-E/SP
Manufacturer:
MICROCHI
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