User Manual
2.3 How to Download User’s Program
Refer to Sec. 1.5 to find the download_port first.
The user can download the program into the 7521 series as follows:
• Power-off PC & the7521 series
• Install the download cable between download_port of the 7521 series &
COM1 of PC (refer to Sec. 1.5.1)
• Power-up PC & Run 7188X.EXE
• Power-up the 7521 seires
• All power-up messages will be shown on the monitor of the PC
• Key-in “load”, press Enter key, & wait for system request message
• Press Alt-E, the screen will ask you to input filename,
• Key-in the filename & press Enter key, the file will be download into the
7521 series
• Key-in the filename & press Enter. This will start to execute this file
• Pressing Alt & X at the same time will quit the 7188X.EXE
2.4 Using the download_port as a COM port
The user can use the download_port of the 7521 series as a general purpose
RS-232 port as follows:
Download user’s program & autoexec.bat to the 7521 series first.
Power off the 7521 series & remove the download the cable from PC.
If they are connected, disconnect the INIT*-pin from GND-pin of the 7521
series
Power on the 7521 series (no standard input, no standard output, no debug
information)
Install the download cable between new RS-232 device & download_port
of the 7521 series
Initialize the download_port to new configuration.
The download_port is a general purpose RS-232 port now.
Refer to “7521/7522/7522A/7523/7524/7527 Software User’s Manual” for demo
programs
7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----49










