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Diffstat (limited to 'i2c/eeprom_24xx')
| -rw-r--r-- | i2c/eeprom_24xx/attiny13_i2c/README | 32 | ||||
| -rw-r--r-- | i2c/eeprom_24xx/attiny13_i2c/braintechnology_usb_lps_powerup.sr | bin | 0 -> 809 bytes |
2 files changed, 32 insertions, 0 deletions
diff --git a/i2c/eeprom_24xx/attiny13_i2c/README b/i2c/eeprom_24xx/attiny13_i2c/README new file mode 100644 index 0000000..afdb957 --- /dev/null +++ b/i2c/eeprom_24xx/attiny13_i2c/README @@ -0,0 +1,32 @@ +------------------------------------------------------------------------------- +Atmel ATtiny13 I²C +------------------------------------------------------------------------------- + +This is a set of example captures of the I²C traffic to/from the Atmel +ATtiny13 chip and the Cypress FX2 in the Braintechnology USB-LPS device. + +Details: +http://www.atmel.com/images/doc2535.pdf +http://www.braintechnology.de/braintechnology/usb_lps.html + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a CWAV USBee SX (at 12MHz): + + Probe ATtiny13 pin + ------------------------ + 0 (black) PB0 + 1 (brown) PB1/SDA + 2 (red) PB2/SCL + 3 (orange) PB3 + 4 (yellow) PB4 + 5 (green) PB5 + + +Data +---- + +The data contains the power-up sequence when the USB cable is attached. + diff --git a/i2c/eeprom_24xx/attiny13_i2c/braintechnology_usb_lps_powerup.sr b/i2c/eeprom_24xx/attiny13_i2c/braintechnology_usb_lps_powerup.sr Binary files differnew file mode 100644 index 0000000..ea6c11f --- /dev/null +++ b/i2c/eeprom_24xx/attiny13_i2c/braintechnology_usb_lps_powerup.sr |