Table of Contents
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Atmel AVR ATmega 328p
Explanaion of the text on the package
ATmega 328P-PU 28P3:
- P Picopower
- -P Plastic dip casing
- U: Industrial-40°C to 85°C
- 28P3: 28-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP)
There is also an Automotive version. This is not available in PDIP. The temperature range is -40 oC to +125 oC
ATMEGA328P-U is an non existend Microchip part number. If you have this on your processor it might be a fake one
Defenitions
In the datasheet
| Name | Explanation |
|---|---|
| BLS | |
| LPM | Load Program Memory |
| NRWW | No Read While Write |
| RWW | Read While Write |
| SPM | Store Program Memory |
Useful links
AVR microcontrollers on Wikipedia
avrdude, read and write flash memory and EEprom
Fuses
MCUSR register
Bandgap explained by MIT and by Wikipedia
High voltage parallel programming
Microchip (ATmel) STK500
STK500 programmer
| Processor | Socket | Color | Number | Remark |
|---|---|---|---|---|
| ATtiny13 | SCKT3400D1 | Blue | 1 | Parallel High-Voltage programming. Connect PROG CTRL header to PORTD and PROG DATA to PORTB as shown in the figure in section “Parallell High-Voltage Programming”. Mount PJUMP Jumpers, and mount BSEL2 terminal (BSEL2 Jumper) to PC2 |
| ATmega328P | SCKT3200A2 | Green | 2 | Serial High-Voltage programming. See the section Serial High Voltage Programming |
Useful links
HV Rescue Simple
AVR HV high voltage programmer for AVR MCU's
AVR High voltage programming Fuses rescue
Arduinoisp reading writing fuses atmega328p
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