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Features
• High performance, low power Atmel
®
AVR
®
8-bit Microcontroller
• Advanced RISC architecture
– 131 powerful instructions - most single clock cycle execution
– 32 × 8 general purpose working registers
– Fully static operation
– Up to eight MIPS throughput at 8MHz
• High endurance non-volatile memory segments
– 16K/32Kbytes of in-system self-programmable flash (Atmel ATmega16HVB/32HVB)
– 512/1Kbytes EEPROM
– 1K/2Kbytes internal SRAM
– Write/erase cycles 10,000 flash/100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C
(1)
– Optional boot code section with independent lock bits
In-system programming by on-chip boot program
True read-while-write operation
– Programming lock for software security
• Battery management features
– Two, three or four cells in series
– High-current protection (charge and discharge)
– Over-current protection (charge and discharge)
– Short-circuit protection (discharge)
– High-voltage outputs to drive N-channel charge/discharge FETs
– Optional deep under voltage recovery mode - allowing 0-volt charging without
external precharge FET
– Optional high-voltage open drain output - allowing 0-volt charging with external
precharge FET
– Integrated cell balancing FETs
• Peripheral features
– Two configurable 8-bit or 16-bit timers with separate prescaler, optional input
capture (IC), compare mode and CTC
– SPI - serial peripheral interface
– 12-bit voltage ADC, six external and one internal ADC input
– High resolution coulomb counter ADC for current measurements
– TWI serial interface supporting SMBus implementation
– Programmable watchdog timer
• Special microcontroller features
– debugWIRE on-chip debug system
– In-system programmable via SPI ports
– Power-on reset
– On-chip voltage regulator with short-circuit monitoring interface
– External and Internal interrupt sources
– Sleep modes: idle, ADC noise reduction, power-save, and power-off
• Additional secure authentication features available only under NDA
• Packages
– 44-pin TSSOP
• Operating voltage: 4V -18V
• Maximum withstand voltage (high-voltage pins): 35V
• Temperature range: -40°C to 85°C
• Speed grade: 1MHz - 8MHz
Note: 1. See ”Data retention” on page 8 for details.
8-bit
Microcontroller
with
16K/32Kbytes
In-System
Programmable
Flash
ATmega16HVB
ATmega32HVB
Summary
8042ES–AVR–09/2013
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