User's Manual

REV. 1.10/2002

RMT LtdRMT Ltd

DX6106

The standard Electrically

Erasable PROM (EEPROM)

24LC64 chip with two wire serial

is placed on Optical

Unit's PCB. It is used for storage

of the Optical Unit identification

code, calibration data and some additional data for

operation of the unit. Additional data are used for

operation of the Optical Units with manufacturer's

controller DX6101. In no power state the data retention

time is more than 200 years.

I C interface

E PROME

The recommended schematic for EEPROM connection

is presented in Fig. 3.22. Pay attention to the 1 kOhm

resistors that must pull-up the lines of .I C interface

Fig. 3.21. I C inter-

face connection

E PROME

SCL

SDA

Fig. 3.22. On-board Memory

typical connection

DX6106 Optical Unit

1kW

+5V

E PROME

Microcontroller

SCL

SDA

1kW

3-28