The MCP3208 chip is driven by VDD and VREF of 5.0V, can DIN , DOUT and CLK connect to the Pi?
Probably No?
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Re: Can a MCP3208 driven by 5V interface with Pi?
Hi,
- can you connect inputs (from GPIO perspective) directly,
- can you connect outputs (from GPIO perspective) directly.
Inputs can be simply "converted" with a voltage divider made out of two resistors.
For getting answer about outputs, you have to check related datasheet (get used to this, it contains more reliable answers than you can get in forums). The datasheet says that if you connect GPIO output directly to this MCP input, you're out of specification. So, a voltage level converter is needed.
Best wishes, Ivan Zilic.
When you face situation like this one, you should split it into two of them:lilzz wrote:The MCP3208 chip is driven by VDD and VREF of 5.0V, can DIN , DOUT and CLK connect to the Pi?
- can you connect inputs (from GPIO perspective) directly,
- can you connect outputs (from GPIO perspective) directly.
Inputs can be simply "converted" with a voltage divider made out of two resistors.
For getting answer about outputs, you have to check related datasheet (get used to this, it contains more reliable answers than you can get in forums). The datasheet says that if you connect GPIO output directly to this MCP input, you're out of specification. So, a voltage level converter is needed.
Best wishes, Ivan Zilic.
Running out of GPIO pins and/or need to read analog values?
Solution: http://www.flyfish-tech.com/FF32
Solution: http://www.flyfish-tech.com/FF32
Re: Can a MCP3208 driven by 5V interface with Pi?
DIN and CLK will be outputs from the Pi so they should be fine. DOUT will be an input to the Pi at circa 5V. Probably best to use a resistor divider pair to knock that down to a Pi safe 3.3V.