Part Number: TMS320F28379D Other Parts Discussed in Thread: PCF8574A , C2000WARE Tool/software: can you post what are i2c configurations you have used for interfacing PCF8574A and sample code of it for reference?
Part Number: PCF8574 Other Parts Discussed in Thread: , TM4C129ENCPDT , P82B715 I am writing to PCF8574 and PCF8574A devices using the TI driver under TIRTOS.
TM4C129ENCPDT processor, latest TIRTOS available for this processor is being used.
The writes…
Part Number: PCF8574A Hi,
I am trying to use the IO expander chip PCF8574A to READ ports P5-P7.
I do not have any devices connected on these ports, the pins are just pulled up or pulled down so that they return either 1 or 0 (these help with binary patterns…
Part Number: PCF8574A Hello,
how is standby mode activated from operating mode for this component? Under what conditions will the circuit return from standby mode back to operating mode. Thanks for the anwers. Best regards Karel Skočík
Part Number: PCF8574A Hi Team,
Our customer would like to read the inputs from P0-P3 of PCF8574A but can't figure out how to program the device. According to our customer,
I see that msp430g2xx3_uscib0_i2c_02.c (ti.com) says its an example for PCF8574A…
Part Number: TMS320F28379D Other Parts Discussed in Thread: PCF8574A , C2000WARE , ENERGIA , PCF8574 , MSP430G2553 , TCA9534
Hi,
I am using a LaunchXL -F28379D with PCF8574A. For my application, P0-P7 pins are either pulled up or pulled down and I would like…
Part Number: PCF8574A Other Parts Discussed in Thread: TCA9554A We use the subject PCF8574A I/O expander in the SOIC-16 package (DW suffix).
Since they're hard to find, is there a newer more common alternate?
The TCA9554A seems likely, but what is…
Part Number: PCF8574A Hello,
I have seen several posts like this for using PCF8574A to use the Keypad as an I2C peripheral. Some of them are using pullups for the columns and others don't. I have attached my design and I would appreciate the feedback…
