Microchip MCP23S08 Handleiding

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MCP23008/MCP23S08

Features

•AEC-Q100 Qualified

•8-Bit Remote Bidirectional I/O Port (Pin GP7 is

output only for MCP23008)

-I/O pins default to input

•High-Speed I2C Interface (MCP23008)

-100 kHz

-400 kHz

-1.7 MHz

•High-Speed SPI Interface (MCP23S08)

-10 MHz

•Hardware Address Pins

-Three for the MCP23008 to allow up to eight

devices on the bus

-Two for the MCP23S08 to allow up to four

devices using the same Chip Select

•Configurable Interrupt Output Pin

-Configurable as active-high, active-low or

open-drain

•Configurable Interrupt Source

-Interrupt-on-change from configured defaults

or pin change

•Polarity Inversion Register to Configure the

Polarity of the Input Port Data

•External Reset Input

•Low Standby Current: 1 µA (max.)

•Operating Voltage:

-1.8V to 5.5V at -40°C to +85°C

I2C at 100kHz

SPI at 5MHz

-2.7V to 5.5V at -40°C to +85°C

I2C at 400kHz

SPI at 10MHz

-4.5V to 5.5V at -40°C to +125°C

I2C at 1.7kHz

SPI at 10MHz

Packages

•18-pin PDIP (300 mil)

•18-pin SOIC (300 mil)

•20-pin SSOP

•20-pin QFN

Block Diagram

GP0

GP1

GP2

GP3

GP4

GP5

GP6

GP7

Serial

Control

GPIO

SCL

SDA

RESET

INT

8

Configuration/

8

A2:A0 3

Control

Registers

Serializer/

Deserializer

Interrupt

Logic

VDD

VSS

POR

Decode

Interface

SCK

SI

SO

MCP23S08

MCP23008

A1:A0

MCP23S08

8-Bit I/O Expander with Serial Interface

Product specificaties