Altera LCD Multimedia HSMC - Manual (Page 40)

Altera Corporation 2–32
August 2008 LCD Multimedia HSMC
Board Components and Interfaces
EEPROM I2C Serial EEPROM
There is a 2K-bits I2C Serial EEPROM on the LCD Multimedia HSMC that
contains information used by applications for this board.
Table 2–26
below lists I2C Serial EEPROM board reference and manufacturing
information.
Table 2–27 contains the data format written in the first 16 bytes of this
EEPROM.
Table 2–26. I2C Serial EEPROM Manufacturing Information
Board Reference Device Description Manufacturer
Manufacturer Part
Number
Manufacturer
Website
U3 2K-bits I2C Serial
EEPROM Microchip 24LC02B www.microchip.com
Table 2–27. EEPROM Data Format
Byte
#s
Bit #s Description Value for LCD Multimedia HSMC
0 0-7 Number of bytes written (including Byte 0) 0x10
1 ( 1 ) 0-3 Minor revision number 0x0
4-7 Major revision number 0x1
2-7 0-7 Board Serial Number (If bytes 2-4 is “00 07 ED”
then this is a MAC address.) Altera MAC Addresses are in the format “00
07 ED 08 xx xx”. The "08" is the group for the
LCD Multimedia HSMC. The last two bytes
are sequential and incremented for each
board.
8-15 0-7 8 bytes of board specific calibration data. Calibration Data for TouchScreen is currently
in the form of
Upper Right X (3946 = 0x0f6a),
Upper Right Y (3849 = 0x0f09),
Lower Left X (132 = 0x0084),
Lower Left Y (148 = 0x0094)
Notes:
(1) Version Number in the form of <Major>.<Minor> .