Interface timing

The figure below shows the timing for the parallel interface.

BUSY

f-

4

 

ACKNLG

I

 

 

DA TA

STROBE

Serial interface

The LQ built-in serial interface is an RS-232C asynchronous interface with the following characteristics:

Data format

1 start bit

Data word length: 8 bit Odd, even, or no parity 1 stop bit

Baud rate

300, 600, 1200, 2400, 4800, 9600,192OO bits per second.

Signal level

Mark (1) -3V to -27 V

Space (0) +3 V to +27 V

A-12

Technical Specifications