ATmega8(L)
ADC Noise Canceler 195
ADC Conversion Result 199
Boot Loader Support – Read-While-Write Self-Programming 202
Boot Loader Features 202
Application and Boot Loader Flash Sections 202
Read-While-Write and No Read-While-Write Flash Sections 202
Boot Loader Lock Bits 204
Entering the Boot Loader Program 205
Addressing the Flash During Self-Programming 207
Self-Programming the Flash 208
Memory Programming 215
Program And Data Memory Lock Bits 215
Fuse Bits 216
Signature Bytes 218
Calibration Byte 218
Page Size 218
Parallel Programming Parameters, Pin Mapping, and Commands 219
Parallel Programming 221
Serial Downloading 230
Serial Programming Pin Mapping 230
Electrical Characteristics – TA = -40°C to 85°C 235
Absolute Maximum Ratings* 235
DC Characteristics 235
External Clock Drive Waveforms 237
External Clock Drive 237
Two-wire Serial Interface Characteristics 238
SPI Timing Characteristics 239
ADC Characteristics 241
Electrical Characteristics – TA = -40°C to 105°C 242
Absolute Maximum Ratings* 242
DC Characteristics
TA = -40C to 105C, VCC = 2.7V to 5.5V (unless otherwise noted) 242
ATmega8 Typical Characteristics – TA = -40°C to 85°C 244
ATmega8 Typical Characteristics – TA = -40°C to 105°C 282
Active Supply Current 282
Idle Supply Current 284
Power-down Supply Current 286
Pin Pull-up 287
Pin Driver Strength 289
Pin Thresholds and Hysteresis 293
4
2486AA–AVR–02/2013
ATMEL [ ATMEL ]
