diff options
Diffstat (limited to 'i2c/eeprom_24xx')
| -rw-r--r-- | i2c/eeprom_24xx/onsemi_cat24c256/README | 31 | ||||
| -rw-r--r-- | i2c/eeprom_24xx/onsemi_cat24c256/glasgow-firmware-flash.sr | bin | 0 -> 94843 bytes |
2 files changed, 31 insertions, 0 deletions
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. + diff --git a/i2c/eeprom_24xx/onsemi_cat24c256/glasgow-firmware-flash.sr b/i2c/eeprom_24xx/onsemi_cat24c256/glasgow-firmware-flash.sr Binary files differnew file mode 100644 index 0000000..bfe63f5 --- /dev/null +++ b/i2c/eeprom_24xx/onsemi_cat24c256/glasgow-firmware-flash.sr |