torsdag 2. april 2015

PIC32 3.3V - 5V interfacing

According to the PIC32MX Family Reference Manual - chapter 12 I/O ports (, PIC32s are 5V tolerant when the pins are in INPUT mode. I have read that this may only apply when pins are configured as digital, but unsure about this.

The Microchip Tips'n tricks guide has a chapter on 3.3-5V interfacing here:

Sparkfun has an example of a bidirectional interfacing card here:

This post indicates that it should be possible to drive a 5V PIC's SPI input using a 3.3V chip without interfacing. Let's see if that is true :-)

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