Atmel C51 - Manual (Page 15)

Operation Mode
C51 Microcontrollers Demo Board User Guide 3-12
4119C–8051–3/03
Figure 3-3. Com Port Configuration
Figure 3-4. Terminal Window on Running ISP
Turn on the C51/C251 Demo Board and then follow the instructions on the terminal
screen and LCD display. After erasing Flash, the program asks for the memory zone,
and then asks to send the HEX file in text mode (see Figure 3-4, Figure 3-5 & Figure 3-
6).