AVR-Chat

At 01:32 PM 4/09/2009, you wrote:
>         SPIEN:  Disable, no OC level debugging expected in the field
>         SPIEN:  Disable to protect the code

You don't need to disable SPIEN, anyway you can't do it without
using HVPP if you disable JTAG. Once the lock-bits are enabled
then you can't read the chip with SPI without first erasing it.

CKOPT MUST be enabled for 8MHZ and up, many people will tell you
to enable at all times.

Regards

John Samperi

********************************************************
Ampertronics Pty. Ltd.
11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA
Tel. (02) 9674-6495       Fax (02) 9674-8745
Website  http://www.ampertronics.com.au
*Electronic Design * Custom Products * Contract Assembly
********************************************************