ATMEGA8L ATMEL [ATMEL Corporation], ATMEGA8L Datasheet - Page 300

• Manufacturer Part Number: ATMEGA8L
• Description: 8-bit AVR with 8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

4
ATmega8(L)
Boot Loader Support – Read-While-Write Self-Programming ..... 206
Memory Programming..................................................................... 219
Electrical Characteristics................................................................ 237
ATmega8 Typical Characteristics .................................................. 244
Register Summary ........................................................................... 282
Instruction Set Summary ................................................................ 284
Ordering Information ....................................................................... 287
Packaging Information .................................................................... 288
Erratas .............................................................................................. 291
Boot Loader Features ....................................................................................... 206
Application and Boot Loader Flash Sections .................................................... 206
Read-While-Write and No Read-While-Write Flash Sections........................... 206
Boot Loader Lock Bits....................................................................................... 208
Entering the Boot Loader Program ................................................................... 209
Addressing the Flash During Self-Programming .............................................. 211
Self-Programming the Flash ............................................................................. 212
Program And Data Memory Lock Bits .............................................................. 219
Fuse Bits........................................................................................................... 220
Signature Bytes ................................................................................................ 221
Calibration Byte ................................................................................................ 221
Parallel Programming Parameters, Pin Mapping, and Commands .................. 222
Parallel Programming ....................................................................................... 224
Serial Downloading........................................................................................... 232
Serial Programming Pin Mapping ..................................................................... 232
Absolute Maximum Ratings*............................................................................. 237
DC Characteristics............................................................................................ 237
External Clock Drive Waveforms ...................................................................... 239
External Clock Drive ......................................................................................... 239
Two-wire Serial Interface Characteristics ......................................................... 240
SPI Timing Characteristics ............................................................................... 241
ADC Characteristics ......................................................................................... 243
32A ................................................................................................................... 288
28P3 ................................................................................................................. 289
32M1-A ............................................................................................................. 290
ATmega8
Rev. D, E, F, and G .......................................................................................... 291
2486M–AVR–12/03