eeprom24xx: Add an ATtiny13 I²C example dump.

diff --git a/i2c/eeprom_24xx/attiny13_i2c/README b/i2c/eeprom_24xx/attiny13_i2c/README
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+-------------------------------------------------------------------------------
+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
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Binary files /dev/null and b/i2c/eeprom_24xx/attiny13_i2c/braintechnology_usb_lps_powerup.sr differ