ATMEGA48V_09 ATMEL [ATMEL Corporation], ATMEGA48V_09 Datasheet - Page 370

• Manufacturer Part Number: ATMEGA48V_09
• Description: 8-bit Microcontroller with 8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

9
10 System Control and Reset .................................................................... 44
11 Interrupts ................................................................................................ 55
12 External Interrupts ................................................................................. 65
ii
Power Management and Sleep Modes ................................................. 38
8.7128 kHz Internal Oscillator ......................................................................................33
8.8External Clock .........................................................................................................34
8.9Clock Output Buffer .................................................................................................34
8.10Timer/Counter Oscillator ........................................................................................35
8.11System Clock Prescaler ........................................................................................35
8.12Register Description ..............................................................................................36
9.1Sleep Modes ............................................................................................................38
9.2Idle Mode .................................................................................................................38
9.3ADC Noise Reduction Mode ....................................................................................39
9.4Power-down Mode ...................................................................................................39
9.5Power-save Mode ....................................................................................................39
9.6Standby Mode .........................................................................................................40
9.7Power Reduction Register .......................................................................................40
9.8Minimizing Power Consumption ..............................................................................40
9.9Register Description ................................................................................................42
10.1Resetting the AVR .................................................................................................44
10.2Reset Sources .......................................................................................................44
10.3Power-on Reset .....................................................................................................45
10.4External Reset .......................................................................................................46
10.5Brown-out Detection ..............................................................................................46
10.6Watchdog System Reset .......................................................................................47
10.7Internal Voltage Reference ....................................................................................47
10.8Watchdog Timer ....................................................................................................48
10.9Register Description ..............................................................................................52
11.1Overview ................................................................................................................55
11.2Interrupt Vectors in ATmega48 ..............................................................................55
11.3Interrupt Vectors in ATmega88 ..............................................................................57
11.4Interrupt Vectors in ATmega168 ............................................................................60
11.5Register Description ..............................................................................................63
12.1Pin Change Interrupt Timing ..................................................................................65
12.2Register Description ..............................................................................................66
ATmega48/88/168
2545R–AVR–07/09