MCP23S17-E/SP Microchip Technology Inc., MCP23S17-E/SP Datasheet - Page 2

• Manufacturer Part Number: MCP23S17-E/SP
• Description: I/O Port Expander, 16-Bit, SPI I'face, SDIP-28
• Manufacturer: Microchip Technology Inc.
• Type: Programmable Peripheral Interfacer

Specifications of MCP23S17-E/SP

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

MCP23017/MCP23S17
Functional Block Diagram
DS21952B-page 2
RESET
A2:A0
SCK
INTB
SDA
INTA
SCL
SO
CS
SI
3
Decode
Interrupt
Logic
I
2
SPI
C™
MCP23S17
MCP23017
Configuration/
Serializer/
Deserializer
Registers
Control
Control
8
16
GPIO
GPIO
© 2007 Microchip Technology Inc.
GPA7
GPA6
GPA5
GPA4
GPA3
GPA2
GPA1
GPA0
GPB7
GPB6
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0