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ATMEGA48_11 Datasheet, PDF (1/377 Pages) ATMEL Corporation – High performance, low power Atmel AVR 8-bit microcontroller Advanced RISC architecture | |||
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Features
⢠High performance, low power Atmel® AVR® 8-bit microcontroller
⢠Advanced RISC architecture
â 131 powerful instructions â most single clock cycle execution
â 32 Ã 8 general purpose working registers
â Fully static operation
â Up to 20 MIPS throughput at 20MHz
â On-chip 2-cycle multiplier
⢠High endurance non-volatile memory segments
â 4/8/16 Kbytes of in-system self-programmable flash program memory
â 256/512/512 bytes EEPROM
â 512/1K/1Kbytes internal SRAM
â Write/erase cyles: 10,000 flash/100,000 EEPROM
â Data retention: 20 years at 85°C/100 years at 25°C()
â Optional boot code section with independent lock bits
In-system programming by on-chip boot program
True read-while-write operation
â Programming lock for software security
⢠QTouch® library support
â Capacitive touch buttons, sliders and wheels
â QTouch and QMatrix acquisition
â Up to 64 sense channels
⢠Peripheral features
â Two 8-bit timer/counters with separate prescaler and compare mode
â One 16-bit timer/counter with separate prescaler, compare mode, and capture mode
â Real time counter with separate oscillator
â Six PWM channels
â 8-channel 10-bit ADC in TQFP and QFN/MLF package
â 6-channel 10-bit ADC in PDIP Package
â Programmable serial USART
â Master/slave SPI serial interface
â Byte-oriented 2-wire serial interface (Philips I2C compatible)
â Programmable watchdog timer with separate on-chip oscillator
â On-chip analog comparator
â Interrupt and wake-up on pin change
⢠Special microcontroller features
â DebugWIRE on-chip debug system
â Power-on reset and programmable brown-out detection
â Internal calibrated oscillator
â External and internal interrupt sources
â Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby
⢠I/O and packages
â 23 programmable I/O lines
â 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
⢠Operating voltage:
â 1.8V - 5.5V for Atmel ATmega48V/88V/168V
â 2.7V - 5.5V for Atmel ATmega48/88/168
⢠Temperature range:
â -40°C to 85°C
⢠Speed grade:
â ATmega48V/88V/168V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V
â ATmega48/88/168: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V
⢠Low power consumption
â Active mode:
250µA at 1MHz, 1.8V
15µA at 32kHz, 1.8V (including oscillator)
â Power-down mode:
0.1µA at 1.8V
Note: 1. See âData retentionâ on page 8 for details.
8-bit Atmel
Microcontroller
with 4/8/16K
Bytes In-System
Programmable
Flash
ATmega48/V
ATmega88/V
ATmega168/V
Rev. 2545TâAVRâ05/11
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