> Recent questions on the 74 and 84s from programming point of view have
> prompted me to repost the response to two messages that were written by
> Jim Robertson of Newfound Electronics.

> 16F84 has PWRTE bit reversed (like ALL newer parts) when compared to the
> 16C84. All the spare config word bits in the 16F84 are used for code
> protection. The effect of code protecting a 16F84 is different from a
> 16C84.
>
> Programming wise, you can program the 16F84 as a 16C84. Remember to
> reverse
> the code protect bit and don't expect code protection to be the same.

Confused/worried is this correct or should it read reverse the PWRTE bit?

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| Richard Thomas                                          Computer Officer |
| Department of Design,                                                    |
| Brunel University,  Runnymede,  Egham,  TW20 0JZ,  UK.                   |
| Richard.Thomas@brunel.ac.uk                  phone:  01784  431341  x267 |
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