32bit GPIO Expander Shield


Price: 11.50
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 32bit GPIO Expander Shield

Description:
The GPIO expander shield provides the Anarduino Mini with an extra 32bits of GPIO. Each GPIO pin is configured via software as an input or outputā??configured as 4 banks of 8-bit GPIO. Control of the GPIO's is facilitated via the MicroController I2C interface, and it leverages the functionality of the PCA9538A I2C to parallel interface IC. It also provides interrupt capability for generating a processor interrupt on data pattern changes.


Features:
  • High Quality, designed and built in the USA
  • Shield Module for Anarduino Mini
  • 4-Banks of 8bit GPIO
  • I2C Bus Interface: MCU pins A4,A5)
  • Interrupt usage: MCU pin D3
  • Operating power supply: 1.65 - 5.5VDC
  • Standby current: 1.5μA @5V, 1.0μA @3.3V
  • 5V Tolerant I/O's
  • 400 kHz Fast-mode I2C-bus
  • Internal power-on Reset
  • Channel Default state as Inputs
  • No glitch on power-up
  • Latched outputs w/25mA drive
  • Latch-up performance >100mA
  • Physical: 40mm x 25mm (1.6" x 1.0")
  • Connections for all GPIOs (incl. A6, A7)
  • Connections for an extra 32 bits of GPIO's
  • Includes all necessary header rows of pins to connect the Anarduino Mini

Documents, Links, and Software:

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