MCP23S08-E/P Microchip Technology, MCP23S08-E/P Datasheet - Page 12
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MCP23S08-E/P
Manufacturer Part Number
MCP23S08-E/P
Description
IC I/O EXPANDER SPI 8B 18DIP
Manufacturer
Microchip Technology
Specifications of MCP23S08-E/P
Package / Case
18-DIP (0.300", 7.62mm)
Interface
SPI
Number Of I /o
8
Interrupt Output
Yes
Frequency - Clock
10MHz
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Includes
POR
Logic Family
MCP23S08
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
Through Hole
Output Current
25 mA
Output Voltage
1.8 V to 4.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPAD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
MCP23008/MCP23S08
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:
DS21919E-page 12
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
GPINT7
R/W-0
INTERRUPT-ON-CHANGE
CONTROL (GPINTEN) REGISTER
GPINT7:GPINT0: General purpose I/O interrupt-on-change bits <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 GPINTEN.
GPINT6
R/W-0
GPINTEN – INTERRUPT-ON-CHANGE PINS (ADDR 0x02)
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
© 2007 Microchip Technology Inc.
x = Bit is unknown
GPINT1
R/W-0
GPINT0
R/W-0
bit 0