raman00084
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hi every one i am planing to connect 6 i2c port expander mcp23017 (16bit port exp) , one ds3231 rtc , 24c512 eeprom . my doubt is can i connect 8 i2c devices in a singke scl and sda pin of dspic, the i2c speed is 400khz and pull up resistor is 2.2k , are i must use any buffer?
kindly help
my second doubt is mcp23017 i2c expander will work correctely without any flaw are bugs, all the 6 mcp23017 have different address and i am using 3 for input and another 3 for output. is i2c port expander reliable?
kindly give your valuable suggestions
kindly help
my second doubt is mcp23017 i2c expander will work correctely without any flaw are bugs, all the 6 mcp23017 have different address and i am using 3 for input and another 3 for output. is i2c port expander reliable?
kindly give your valuable suggestions