ATmega48/88/168
Absolute Maximum Ratings*............................................................................. 290
DC Characteristics............................................................................................ 290
External Clock Drive Waveforms...................................................................... 292
External Clock Drive ......................................................................................... 292
Maximum Speed vs. VCC ........................................................................................................................ 293
2-wire Serial Interface Characteristics.............................................................. 294
SPI Timing Characteristics ............................................................................... 295
ADC Characteristics – Preliminary Data........................................................... 297
ATmega48/88/168 Typical Characteristics – Preliminary Data.... 298
Active Supply Current....................................................................................... 298
Idle Supply Current........................................................................................... 301
Supply Current of IO modules .......................................................................... 304
Power-Down Supply Current ............................................................................ 306
Power-Save Supply Current ............................................................................. 307
Standby Supply Current.................................................................................... 307
Pin Pull-up ........................................................................................................ 308
Pin Driver Strength ........................................................................................... 310
Pin Thresholds and Hysteresis......................................................................... 313
BOD Thresholds and Analog Comparator Offset ............................................. 316
Internal Oscillator Speed .................................................................................. 319
Current Consumption of Peripheral Units......................................................... 321
Current Consumption in Reset and Reset Pulse width..................................... 323
Register Summary........................................................................... 325
Instruction Set Summary ................................................................ 329
Ordering Information....................................................................... 332
ATmega48 ........................................................................................................ 332
ATmega88 ........................................................................................................ 333
ATmega168 ...................................................................................................... 334
Packaging Information.................................................................... 335
32A ................................................................................................................... 335
28P3 ................................................................................................................. 336
32M1-A ............................................................................................................. 337
Errata ATmega48 ............................................................................. 338
Rev A................................................................................................................ 338
Errata ATmega88 ............................................................................. 339
Rev. A............................................................................................................... 339
Errata ATmega168 ........................................................................... 340
Rev A................................................................................................................ 340
v
2545D–AVR–07/04