MCP23017 16 Bit IO Port Expander Module

The MCP23017 16 Bit IO Port Expander Module boasts a fast IIC interface that accommodates frequencies of 100KHz, 400KHz, and 1.7MHz. With 3 address pins available, it has the capability to establish up to 8 unique addresses. This means that by utilizing two IIC buses, a maximum of 128 IO extensions can be connected through 8 modules.

With its customizable configuration and powerful driving capabilities, MCP23017 16 Bit IO Port Expander Module also offers numerous parallel connections.

Features of MCP23017 16 Bit IO Port Expander Module

Bidirectional 16-bit remote I/O port.
By default, input is the set mode for I/O pins.
The MCP23017 16 Bit IO Port Expander Module features a fast I2C™ interface for efficient data transfer.
The frequency of 100 kHz.
The frequency of 400 kHz.
Frequency of 1.7 million cycles per second
The MCP23S17 features a high-speed SPI interface.
The maximum frequency is 10 MHz.
The inclusion of three hardware address pins permits a maximum of eight devices to be connected on the bus.
Customizable interrupt output pins
This feature can be customized to function as active-high, active-low, or open-drain.
The configuration options for INTA and INTB allow them to function either separately or jointly.
Adjustable source of interruption
Interrupt-on-change can occur either from configured register defaults or from pin changes.
The Polarity Inversion register adjusts the input port data’s polarity.
Reset input from an external source.
The maximum standby current is 1 µA, ensuring low power usage.
Voltage required for operation:
Operating from a wide range of 1.8V to 5.5V and withstanding temperatures as low as -40°C and as high as +85°C.
The operating voltage range is from 2.7V to 5.5V and the temperature range is from -40°C to +85°C.
The voltage ranges from 4.5V to 5.5V and can operate within a temperature range of -40°C to +125°C.