Datasheet

29.4. Calibration Byte........................................................................................................................291
29.5. Page Size.................................................................................................................................291
29.6. Parallel Programming Parameters, Pin Mapping, and Commands..........................................292
29.7. Parallel Programming...............................................................................................................294
29.8. Serial Downloading.................................................................................................................. 302
29.9. Serial Programming Pin Mapping.............................................................................................302
30. Electrical Characteristics – TA = -40°C to 85°C.................................................... 307
30.1. DC Characteristics................................................................................................................... 307
30.2. Speed Grades.......................................................................................................................... 309
30.3. Clock Characteristics................................................................................................................309
30.4. System and Reset Characteristics........................................................................................... 310
30.5. Two-wire Serial Interface Characteristics................................................................................. 311
30.6. SPI Timing Characteristics....................................................................................................... 313
30.7. ADC Characteristics.................................................................................................................314
31. Electrical Characteristics – TA = -40°C to 105°C.................................................. 316
31.1. DC Characteristics................................................................................................................... 316
32. Typical Characteristics – TA = -40°C to 85°C........................................................319
32.1. Active Supply Current...............................................................................................................319
32.2. Idle Supply Current...................................................................................................................323
32.3. Power-down Supply Current.................................................................................................... 326
32.4. Power-save Supply Current..................................................................................................... 327
32.5. Standby Supply Current........................................................................................................... 328
32.6. Pin Pull-up................................................................................................................................331
32.7. Pin Driver Strength...................................................................................................................333
32.8. Pin Thresholds and Hysteresis.................................................................................................337
32.9. Bod Thresholds and Analog Comparator Offset...................................................................... 342
32.10. Internal Oscillator Speed..........................................................................................................344
32.11. Current Consumption of Peripheral Units.................................................................................351
32.12. Current Consumption in Reset and Reset Pulsewidth.............................................................354
33. Typical Characteristics – TA = -40°C to 105°C......................................................356
33.1. ATmega8A Typical Characteristics...........................................................................................356
34. Register Summary.................................................................................................385
35. Instruction Set Summary....................................................................................... 387
36. Packaging Information...........................................................................................391
36.1. 32-pin 32A................................................................................................................................391
36.2. 28-pin 28P3..............................................................................................................................392
36.3. 32-pin 32M1-A..........................................................................................................................393
37. Errata.....................................................................................................................394
37.1. ATmega8A, rev. L.....................................................................................................................394
AVR 8-Bit Microcontroller
© 2017 Microchip Technology Inc.
Datasheet Complete
40001974A-page 7