Altera LCD Multimedia HSMC Bedienungsanleitung PDF herunterladen (Seite 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

Bit #s Description Value for LCD Multimedia HSMC

0 0-7 Number of bytes written (including Byte 0) 0x10

(

)

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>.

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 50 51

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