ATmega88
Erscheinungsbild
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 20 MIPS throughput at 20MHz
- On-chip 2-cycle multiplier
- High endurance non-volatile memory segments
- 4/8/16 Kbytes of in-system self-programmable flash program memory
- 256/512/512 bytes EEPROM
- 512/1K/1Kbytes internal SRAM
- Write/erase cyles: 10,000 flash/100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C()
- 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
- QTouch® library support
- Capacitive touch buttons, sliders and wheels
- QTouch and QMatrix acquisition
- Up to 64 sense channels
Peripheral features
- Two 8-bit timer/counters with separate prescaler and compare mode
- One 16-bit timer/counter with separate prescaler, compare mode, and capture mode
- Real time counter with separate oscillator
- Six PWM channels
- 8-channel 10-bit ADC in TQFP and QFN/MLF package
- 6-channel 10-bit ADC in PDIP Package
- Programmable serial USART
- Master/slave SPI serial interface
- Byte-oriented 2-wire serial interface (Philips I2C compatible)
- Programmable watchdog timer with separate on-chip oscillator
- On-chip analog comparator
- Interrupt and wake-up on pin change
Special microcontroller features
- DebugWIRE on-chip debug system
- Power-on reset and programmable brown-out detection
- Internal calibrated oscillator
- External and internal interrupt sources
- Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby
- I/O and packages
- 23 programmable I/O lines
- 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
Operating voltage:
- 1.8V - 5.5V for Atmel ATmega48V/88V/168V
- 2.7V - 5.5V for Atmel ATmega48/88/168
Temperature range:
- -40°C to 85°C
Speed grade:
- ATmega48V/88V/168V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V
- ATmega48/88/168: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V
- Low power consumption
Active mode:
- 250μA at 1MHz, 1.8V 15μA at 32kHz, 1.8V (including oscillator)
Power-down mode:
- 0.1μA at 1.8V