On Sun, 2014-02-09 at 22:05 -0500, Robert Cochran wrote: > I'd like to ask what the minimum hardware configuration is for > successful programming of an Atmega32 PDIP chip with Avrdude. I have > ordered hardware accordingly. Perhaps this list could kindly be > reviewed?
> 1. Breadboard > 2. Atmega32 PDIP > 3. 5v power supply > 4. Programmer, such as this: > http://www.ebay.com/itm/USBTiny-USBtinyISP-AVR-ISP-programmer-for-Arduino-bootloader-Meag2560-uno-r3-/400368767664?ssPageName=ADME:L:OC:US:3160 > or > An Arduino already configured as a programmer > 5. XTAL or resonator of a frequency listed in datasheet > 6. If XTAL is used, 22 pf ceramic capacitors For 'minimum hardware' don't need 5 and 6 > 7. LED for a basic blinking light action Good > 8. 330 Ohm and 10K Ohm resistors 330 ohm resistor to limit current in LED, what's the 10k for? > 9. Possibly a powered USB hub to connect programmer to Don't need this, ISPs use very little power. > Hardware connections as follows: > 1. 5v VCC connected to pins 9, 10, 30 Connect 5v VCC to 10, 30 and 32, connect 9 only to the ISP > 2. GND connected to pins 11, 31 Good. > 3. XTAL or resonator connected to pins 12, 13 > 4. If XTAL used, 22 pf capacitors connected to XTAL and GND Don't need step 3 and 4. A factory blank mega32 comes with the internal 8MHz RC oscillator enabled and doesn't use an external crystal until you set the right fuses. > 5. Programmer pins connected to Atmega pins 6, 7, 8, 9, GND And VCC, some programmers may not see the chip if they don't detect power. Regards. -- Ormund _______________________________________________ AVR-chat mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avr-chat
