ATMEGA8HVD-4MX Atmel, ATMEGA8HVD-4MX Datasheet - Page 164

• Manufacturer Part Number: ATMEGA8HVD-4MX
• Description: MCU AVR 8K FLASH 2.1-8V 4MHZ QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8HVD-4MX

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 2.4 V
• Data Converters: A/D 1x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 18-MLF® Exposed Pad (Staggered Leads), DFN
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Connectivity: -

9
10 System Control and Reset .................................................................... 38
11 Interrupts ................................................................................................ 51
12 External Interrupt ................................................................................... 53
13 High Voltage I/O Ports ........................................................................... 56
14 Low Voltage I/O-Ports ............................................................................ 61
ii
Power Management and Sleep Modes ................................................. 32
8.10System Clock Prescaler ........................................................................................25
8.11ADC Clock Prescaler .............................................................................................26
8.12OSI – Oscillator Sampling Interface ......................................................................27
8.13Register Description ..............................................................................................29
9.1Sleep Modes ............................................................................................................32
9.2Idle Mode .................................................................................................................34
9.3ADC Noise Reduction ..............................................................................................34
9.4Power-save Mode ....................................................................................................34
9.5Power-off Mode .......................................................................................................35
9.6Power Reduction Register .......................................................................................35
9.7Minimizing Power Consumption ..............................................................................35
9.8Register Description ................................................................................................36
10.1Resetting the AVR .................................................................................................38
10.2Reset Sources .......................................................................................................38
10.3External Reset .......................................................................................................40
10.4Watchdog Reset ....................................................................................................40
10.5Black-out Detection ...............................................................................................40
10.6ATmega4HVD/8HVD Start-up Sequence ..............................................................42
10.7Watchdog Timer ....................................................................................................45
10.8Register Description ..............................................................................................48
11.1Interrupt Vectors in ATmega4HVD/8HVD .............................................................51
12.1Register Description ..............................................................................................53
13.1High Voltage Ports as General Digital Outputs .....................................................57
13.2Alternate Port Functions ........................................................................................57
13.3Register Description ..............................................................................................60
14.1Overview ................................................................................................................61
14.2Low Voltage Ports as General Digital I/O ..............................................................62
14.3Alternate Port Functions ........................................................................................66
ATmega4HVD/8HVD
8052B–AVR–09/08