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A project log for eepromgrammer

A more generic eeprom programmer using Arduinos.

alvaro-barcellosAlvaro Barcellos 09/02/2022 at 22:060 Comments

Top 8 pins

The top 8 pins pins-outs of zero-insertion-force (ZIF) socket, are reserved for I2C and SPI, : with follow setup.


SPII2CPIN
PINI2CSPI
/CSS01
40VCCVCC
SOS12
39WR/HOLD
/WPS23
38SCLMSCK
GNDGND4
37SDAMOSI

OBS.

pull-ups 4k7 resistors at (S1, S2, SDA, SCL, WR) and pull-down at S0.

I2C or SPI must be select for use, or go in tri-state.


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