124 Powerful Instructions - Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 4 MIPS Throughput at 4 MHz<br>• Nonvolatile Program and Data Memories 4K/8K Bytes of In-System Self-Programmable Flash ATmega4HVD/8HVD 256 Bytes EEPROM 512 Bytes Internal SRAM Write/Erase Cycles 10,000 Flash/ 100,000 EEPROM Data Retention 20 years at 85°C /100 years at 25°C 1 Programming Lock for Software Security<br>• Battery Management Features One Cell Batteries Short-circuit Protection Discharge Over-current Protection Charge and Discharge External Protection Input High Voltage Outputs to Drive N-Channel Charge/Discharge FETs Operation with 1 FET or 2 FETs supported
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• High Performance, Low Power 8-bit Microcontroller • Advanced RISC Architecture 124 Powerful Instructions - Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 4 MIPS Throughput at 4 MHz • Nonvolatile Program and Data Memories 4K/8K Bytes of In-System Self-Programmable Flash ATmega4HVD/8HVD 256 Bytes EEPROM 512 Bytes Internal SRAM Write/Erase Cycles 10,000 Flash/ 100,000 EEPROM Data Retention 20 years at 85°C /100 years at 25°C 1 Programming Lock for Software Security • Battery Management Features One Cell Batteries Short-circuit Protection Discharge Over-current Protection Charge and Discharge External Protection Input High Voltage Outputs to Drive N-Channel Charge/Discharge FETs Operation with 1 FET or 2 FETs supported Charge FET is optional Battery authentication features Available only under NDA • Peripheral Features Two 8/16-bit Timer/Counters with Separate Prescaler and two output compare units 10-bit ADC with One External Input Two High-voltage open-drain I/O pins Programmable Watchdog Timer • Special Microcontroller Features debugWIRE On-chip Debug System In-System Programmable Power-on Reset On-chip Voltage Reference with built-in Temperature Sensor On-chip Voltage Regulator External and Internal Interrupt Sources Sleep Modes: Idle, ADC Noise Reduction, Power-save, and Power-off • Package 18-pad DRDFN/ MLF • Operating Voltage VFET - 6.0V • Operating Voltage VCC - 2.4V • Maximum Withstand Voltage VFET 12V • Maximum Withstand Voltage High-voltage pins 5V • Temperature Range -20°C to 85°C • Speed Grade 1 - 4 MHz 8-bit Microcontroller with 4K/8K Bytes In-System Programmable Flash ATmega4HVD ATmega8HVD Preliminary Pin Configurations Figure Dual Row DFN/ MLF-pinout ATmega4HVD/8HVD. Top view B10 A8 B9 A7 B8 A6 B7 A5 Bottom view B1 A1 B2 A2 B3 A3 B4 A4 Table 1 Dual Row DFN/ MLF-pinout ATmega4HVD/8HVD. BATT GND SCK/ SGND/T0 VFET VREG PB0 ADC0 PB2 MISO/CKOUT/T1 PC1 MOSI/INT1/ EXT_PROT PC0 INT0/ICP0/XTAL RESET 2 ATmega4HVD/8HVD ATmega4HVD/8HVD Pin Descriptions VFET Input to the internal voltage regulator. VREG Pin for connection of external decoupling capacitor. VCC is internally connected to the voltage regulator output VREG. Output from the internal voltage regulator. Internally connected to VCC. Ground Port B PB2:PB0 Port B is a low-voltage 3-bit bi-directional I/O port with internal pull-up resistors selected for each bit . As inputs, Port B pins that are externally pulled low will source current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset condition becomes active, even if the clock is not running. Ordering Information ATmega4HVD Speed MHz 1 - 4 MHz Power Supply - 2.4V Ordering Code ATmega4HVD-4MX Package 18M1 Operation Range -20 - 85°C Note This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 18M1 Package Type 18-pad Staggered Dual-row x mm Body. x mm Exposed Pad, MLF 158 ATmega4HVD/8HVD ATmega4HVD/8HVD ATmega8HVD Speed MHz 1 - 4 MHz Power Supply - 2.4V Ordering Code ATmega8HVD-4MX Package 18M1 Operation Range -20 - 85°C Note This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 18M1 Package Type 18-pad Staggered Dual-row x mm Body. x mm Exposed Pad, MLF Packaging Information 18M1 Pin 1 ID E SIDE VIEW y TOP VIEW B10 A8 B9 A7 B7 A5 R0.20 BOTTOM VIEW eT/2 Note The terminal #1 ID is a Laser-marked Feature. COMMON DIMENSIONS Unit of Measure = mm SYMBOL MIN NOM MAX NOTE TITLE 2325 Orchard Parkway 18M1, 18-pad Staggered Dual-row , x mm Body, R San Jose, CA 95131 x mm Exposed Pad, Package MLF 3/21/07 18M1 160 ATmega4HVD/8HVD Errata ATmega4HVD ATmega8HVD No known errata. ATmega4HVD/8HVD Updated Table 20-2 on page 110 and Table 20-3 on page 111 in the Register summary of section of ”Battery Protection” on page 162 ATmega4HVD/8HVD ATmega4HVD/8HVD Table of Contents Features 1 Pin Configurations 2 1.1Pin Descriptions 2 Overview 4 3 Resources 5 4 Data Retention 5 About Code Examples 5 6 AVR CPU Core 6 6.1Overview 6.2ALU Arithmetic Logic Unit 6.3Status Register 6.4General Purpose Register File 6.5Stack Pointer 6.6Instruction Execution Timing 6.7Reset and Interrupt Handling 7 AVR Memories 14 7.1Overview 7.2In-System Reprogrammable Flash Program Memory 7.3SRAM Data Memory 7.4EEPROM Data Memory 7.5I/O Memory 7.6Register Description 8 System Clock and Clock Options 22 8.1Clock Systems and their Distribution 8.2Clock Sources 8.3Calibrated Fast RC Oscillator 8.4Slow RC Oscillator 8.5Ultra Low Power RC Oscillator 8.6CPU, I/O, Flash, and ADC Clock 8.7Watchdog Timer and Battery Protection 8.8Clock Startup Sequence 8.9Clock Output 8.10System Clock Prescaler 8.11ADC Clock Prescaler 8.12OSI Oscillator Sampling Interface 8.13Register Description 9 Power Management and Sleep Modes 32 9.1Sleep Modes 9.2Idle Mode 9.3ADC Noise Reduction 9.4Power-save Mode 9.5Power-off Mode 9.6Power Reduction Register 9.7Minimizing Power Consumption 9.8Register Description 27 Typical Characteristics TBD 150 28 Register Summary 151 29 Instruction Set Summary 155 30 Ordering Information 158 30.1ATmega4HVD 30.2ATmega8HVD 31 Packaging Information 160 31.118M1 32 Errata 161 32.1ATmega4HVD 32.2ATmega8HVD 33.1Rev. B - 09/08 33.2Rev. A - 09/08 Table of i Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel 1 408 441-0311 Fax 1 408 487-2600 International Atmel Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 Fax 852 2722-1369 Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-enYvelines Cedex France Tel 33 1-30-60-70-00 Fax 33 1-30-60-71-11 Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581 Product Contact Web Site Literature Requests Technical Support Sales Contact Disclaimer The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. 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