future
Newbie level 6
Hello,
I need to add a spi eeprom to a board that has a LCD with no other free pins.
The lcd is in 4bit mode. I am thinking about some glue logic in RS/EN/RW/D7, D7 being the real eeprom CS, but only allowed to go low for certain RS/EN/RW.
D6,D5,D4 are SDO/SDI/CLK.
What do you think?
Thank you.
I need to add a spi eeprom to a board that has a LCD with no other free pins.
The lcd is in 4bit mode. I am thinking about some glue logic in RS/EN/RW/D7, D7 being the real eeprom CS, but only allowed to go low for certain RS/EN/RW.
D6,D5,D4 are SDO/SDI/CLK.
What do you think?
Thank you.