Thank you! Doesn't pin 9 (reset) need a pull-up resistor? Bob
> On Feb 10, 2014, at 12:43 AM, Ormund Williams <[email protected]> wrote: > >> 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 _______________________________________________ AVR-chat mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avr-chat
