Datasheet Details
Part number:
R2A20150SA, R2A20150NP
Manufacturer:
File Size:
377.43 KB
Description:
8-bit i/o expander.
Note:
This datasheet PDF includes multiple part numbers: R2A20150SA, R2A20150NP.
Please refer to the document for exact specifications by model.
R2A20150SA, R2A20150NP, 8-bit I/O Expander
The R2A20150NP/SA is a CMOS 8-bit I/O expander, which has serial to parallel and parallel to serial data converting functions.
It can communicate with a microcontroller via few wiring thanks to the adoption of the 2-wire I2C BUS.
Maximum 8 ICs can be connected to a bus by using 3-chip select pins, s
R2A20150SA Features
* Simple 2-wire (SCL and SDA) communication with a microcontroller.
* 8-bit data conversion between serial and parallel by I2C BUS.
* Corresponds to Fast mode (400kHz) of I2C BUS specification.
* Possible to set input and output each bit separately.
* By using three chip select p
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