P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x

Read First Before Posting

Started by Andy Ayre

Replies: 0
Views: 23,015

October 05, 2007, 11:43:08 AM
by Andy Ayre

My PC Doesn't Have a COM Port

Started by Andy Ayre

Replies: 0
Views: 20,356

July 10, 2009, 10:03:13 AM
by Andy Ayre

Failed To Autobaud

Started by Andy Ayre

Replies: 0
Views: 20,331

July 07, 2009, 02:05:40 PM
by Andy Ayre

89C51RD2 is not ready to enter in ISP

Started by ketan

Pages1 2 3 ... 6

Replies: 88
Views: 140,172

October 18, 2005, 06:20:05 AM
by erikm

P89C51RD2 ISP problems

Started by Tony G

Pages1 2 3 4

Replies: 59
Views: 101,467

April 27, 2005, 08:02:33 AM
by Andy Ayre

problems with P89C51RD2BA

Started by Kiran

Pages1 2 3

Replies: 36
Views: 72,658

September 01, 2005, 05:52:09 AM
by erikm

flash failure

Started by Yeddnapuddi Sivakumar

Pages1 2

Replies: 27
Views: 60,756

September 01, 2005, 05:51:12 AM
by erikm

use of production system

Started by dani

Replies: 1
Views: 52,037

August 02, 2011, 01:36:27 AM
by Andy Ayre

Selecting P89C664

Started by HArvey

Replies: 2
Views: 52,025

September 17, 2020, 11:39:04 PM
by HArvey

89CV51RC2 not programmable in ISP!

Started by Tiziano

Replies: 10
Views: 44,904

March 26, 2013, 03:48:30 AM
by Andy Ayre

P89C51RD2BA and MAX232 (wiring RST, /PSEN, TX, RX on the microcontroller)

Started by dr.d3z

Replies: 8
Views: 41,240

January 18, 2016, 01:10:18 AM
by Andy Ayre

Can't start ISP masked-ROM boot loader code ,P89C662HBA

Started by a9o1o8o

Replies: 12
Views: 39,658

November 24, 2015, 12:58:38 AM
by Andy Ayre

P89C51rd2HBP

Started by Sunil Patil

Pages1 2

Replies: 20
Views: 38,546

October 13, 2005, 05:09:36 AM
by erikm

89C51RD2BN and Win XP

Started by David Little

Pages1 2

Replies: 20
Views: 38,493

December 10, 2004, 06:37:44 AM
by Andy Ayre

How to program P89C51RD+IA

Started by omidrezaei

Replies: 9
Views: 37,107

May 21, 2018, 12:46:50 AM
by Andy Ayre

P89C51RB2H baud rate bug?

Started by TomP

Replies: 13
Views: 35,771

July 24, 2007, 12:13:34 AM
by Jan Waclawek

(solved) Need help writing a 89C51RC2

Started by mockba

Replies: 7
Views: 35,133

January 10, 2013, 11:02:51 AM
by mockba

programming P89C51RD2BN

Started by sudip

Pages1 2

Replies: 17
Views: 34,753

June 02, 2005, 12:41:18 AM
by Ow Tong Peow

p89c51rd2bn IAP problems

Started by Valent

Pages1 2

Replies: 17
Views: 32,603

April 20, 2005, 02:53:40 PM
by Jan Waclawek

RESET circuit for NXP P89C61X2 microcontroller

Started by rajesh279

Replies: 2
Views: 27,163

February 21, 2012, 05:52:10 AM
by rajesh279