X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-dumps.git;a=blobdiff_plain;f=i2c%2Feeprom_24xx%2Fonsemi_cat24c256%2FREADME;fp=i2c%2Feeprom_24xx%2Fonsemi_cat24c256%2FREADME;h=b9cd715c31c77c78d274627a730f04c4da8b2cc8;hp=0000000000000000000000000000000000000000;hb=204c0867d5e83c5d49e52030bc4fb04ae0c8d085;hpb=0da9f852aa47ae898dda89bbb7008987aaa94091 diff --git a/i2c/eeprom_24xx/onsemi_cat24c256/README b/i2c/eeprom_24xx/onsemi_cat24c256/README new file mode 100644 index 0000000..b9cd715 --- /dev/null +++ b/i2c/eeprom_24xx/onsemi_cat24c256/README @@ -0,0 +1,31 @@ +------------------------------------------------------------------------------- +ON Semi CAT24C256 +------------------------------------------------------------------------------- + +This is a set of example captures of ON Semi CAT24C256 I2C traffic. + +Details: +http://www.onsemi.com/PowerSolutions/product.do?id=CAT24C256 +https://www.onsemi.com/pub/Collateral/CAT24C256-D.PDF +https://github.com/whitequark/Glasgow + + +Logic analyzer setup +-------------------- + +The logic analyzer used was an mcupro Saleae 16 clone (at 2 MHz). + + Probe I2C pin + ------------------- + 0 (black) SCL + 1 (brown) SDA + + +glasgow-firmware-flash.sr +------------------------- + +This is the I2C communication of the FX2_MEM EEPROM being flashed with +8051 firmware and then verified on a Glasgow board. Only the changed bytes are +written, which is why there are two read sequences. The uneven pages are +because of the EP0 buffer being limited to 64 bytes. +