Author Topic: I have problem in downloading the hex file to IC P89C51RD2BN  (Read 3246 times)

sphari

  • Jr. Member
  • **
  • Posts: 2
    • View Profile
hi to all,
        I am using P89C51RD2 ic for my project, and want to program it. to download hex file in ic, I am using Flash magic. I have fallowed all steps correctly in flash magic but it still giving the error..........unable to connect at specified baud rate please change the baud rate.....i have selected baud rate as 9600.......
please help me......
Thank you in advance

Andy Ayre

  • ESAcademy Staff
  • Sr. Member
  • *****
  • Posts: 2114
    • View Profile
    • Embedded Systems Academy, Inc.
    • Email
Re: I have problem in downloading the hex file to IC P89C51RD2BN
« Reply #1 on: June 04, 2014, 12:42:01 am »
On those old devices you have to pull pins P2.6 and P2.7 high when entering ISP mode.

Andy
Embedded Systems Academy, Inc.
support at esacademy dot com