Equinox Systems Micro-ISP IV Series User Manual page 24

Serial programming systems for the atmel 89s, at90s avr & atmega microcontroller families
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Micro-ISP
Device Programming Guide continued
10. Using the <Device> commands individually
It is possible to fire off any programmer command individually from the <Device> menu.
Please note:
i. The programmer will, by default, perform a 'Pre-programming State machine operation'
and a 'Check Signature' for each operation selected. The 'Check Signature' can be
disabled using a tick box.
ii. The <Device><Write> operation does not perform a 'Chip Erase' operation. If there is
already non-FF data in the target device then the 'Write' operation will fail. A manual
<Device><Erase> is required to erase the device.
iii. The <Device><Special Options> operation allows the user to read the current values of
the fuse bits of the target device (if the device supports this). New values can also be
written to the target device.
Further sources of information:
Equinox application notes:
AN100 - ISP Design Notes for the Atmel AT90S (Classic AVR) Microcontroller Family
AN101 - ISP Design Notes for the Atmel ATmega Microcontroller Family
AN102 - ISP Design Notes for the Atmel ATtiny (AVR) Microcontroller Family
AN103 - ISP Design Notes for the Atmel AT89S/AT89LS Microcontroller Family
IV User Manual V2.03
Series
17

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