Rainbow Electronics ATmega8HVD - Manual

Features
• High Performance, Low Power AVR ® 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): 2.1 - 6.0V
• Operating Voltage (V
CC
):2.0 - 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
8052B–AVR–09/08