Microchip MCP23017T-E/ML
Manufacturer No:
MCP23017T-E/ML
Manufacturer:
Package:
28-VQFN Exposed Pad
Description:
16-BIT I/O EXPANDERS WITH I2C \u0026amp; SPI INTERFACE
Quantity:
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MCP23017T-E/ML Information
Microchip MCP23017T-E/ML technical specifications, attributes, parameters and parts with similar specifications to Microchip MCP23017T-E/ML.
- Type
- Parameter
- Max. Bus Frequency [kBits/s]
- 1700
- Operating Voltage [V] Max
- 5.5
- Operating Voltage [V] Min
- 1.8
- TempRange [°C] Max
- 125
- TempRange [°C] Min
- -40
- Type
- Parameter
Download datasheets and manufacturer documentation for Microchip MCP23017T-E/ML.
Data Sheets:
Miscellaneous:
Application Notes:
The MCP23017/MCP23S17 (MCP23X17) device
family provides 16-bit, general purpose parallel I/O
expansion for I2C bus or SPI applications. The two
devices differ only in the serial interface:
• MCP23017 – I2C interface
• MCP23S17 – SPI interface
The MCP23X17 consists of multiple 8-bit configuration
registers for input, output and polarity selection. The
system master can enable the I/Os as either inputs or
outputs by writing the I/O configuration bits (IODIRA/B).
The data for each input or output is kept in the
corresponding input or output register. The polarity of
the Input Port register can be inverted with the Polarity
Inversion register. All registers can be read by the
system master.
The 16-bit I/O port functionally consists of two 8-bit
ports (PORTA and PORTB). The MCP23X17 can be
configured to operate in the 8-bit or 16-bit modes via
IOCON.BANK.
There are two interrupt pins, INTA and INTB, that can
be associated with their respective ports, or can be
logically OR’ed together so that both pins will activate if
either port causes an interrupt.
The interrupt output can be configured to activate
under two conditions (mutually exclusive):
1. When any input state differs from its
corresponding Input Port register state. This is
used to indicate to the system master that an
input state has changed.
2. When an input state differs from a preconfigured register value (DEFVAL register).
The Interrupt Capture register captures port values at the time of the interrupt, thereby saving the condition that caused the interrupt. The Power-on Reset (POR) sets the registers to their default values and initializes the device state machine. The hardware address pins are used to determine the device address.
- 16-bit input/output port expander with interrupt output
- Cascadable for up to 8 devices on one bus
- 25mA sink/source capability per I/O
- Supports 100kHz, 400kHz and 1.7MHz I2C™Compatible compatible modes
MCP23017T-E/ML Relevant information
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