ATMEGA1608-XFR

ATmega808/1608/3208/4808 28-pin 28-pin Data Sheet megaAVR 0-series Introduction The ATmega808/1608/3208/4808 microcontrollers of the megaAVR 0-series are using the AVR processor with hardware multiplier, running at up to 20 MHz, with a wide range of Flash sizes up to 48 KB, up to 6 KB of SRAM, and 256 bytes of EEPROM in 28-, 32-, 40-, or 48-pin package. The series uses the latest technologies from Microchip with a flexible and low-power architecture including Event System and SleepWalking, accurate analog features and advanced peripherals. The devices described here offer Flash sizes from 8 KB to 48 KB in a 28-pin package. Features AVR CPU Single-cycle I/O access Two-level interrupt controller Two-cycle hardware multiplier Memories Up to 48 KB In-system self-programmable Flash memory 256B EEPROM Up to 6 KB SRAM Write/Erase endurance: Flash 10,000 cycles EEPROM 100,000 cycles Data retention: 40 Years at 55C System Power-on Reset (POR) circuit Brown-out Detector (BOD) Clock options: 16/20 MHz low-power internal oscillator 32.768 kHz Ultra Low-Power (ULP) internal oscillator 32.768 kHz external crystal oscillator External clock input Single pin Unified Program Debug Interface (UPDI) Three sleep modes: Idle with all peripherals running for immediate wake-up Standby Configurable operation of selected peripherals Preliminary Datasheet DS40002018B-page 1 2019 Microchip Technology Inc. ATmega808/1608/3208/4808 28-pin SleepWalking peripherals Power-Down with limited wake-up functionality Peripherals One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three compare channels Three 16-bit Timer/Counter type B with input capture (TCB) One 16-bit Real-Time Counter (RTC) running from an external crystal or an internal RC oscillator Three USART with fractional baud rate generator, auto-baud, and start-of-frame detection Master/slave Serial Peripheral Interface (SPI) Dual mode Master/Slave TWI with dual address match Standard mode (Sm, 100 kHz) Fast mode (Fm, 400 kHz) Fast mode plus (Fm+, 1 MHz) Event System for CPU independent and predictable inter-peripheral signaling Configurable Custom Logic (CCL) with up to four programmable Look-up Tables (LUT) One Analog Comparator (AC) with a scalable reference input One 10-bit 150 ksps Analog to Digital Converter (ADC) Five selectable internal voltage references: 0.55V, 1.1V, 1.5V, 2.5V, and 4.3V CRC code memory scan hardware Optional automatic scan before code execution is allowed Watchdog Timer (WDT) with Window mode, with separate on-chip oscillator External interrupt on all general purpose pins I/O and Packages: 23 programmable I/O lines 28-pin SSOP Temperature Range: -40C to 125C Speed Grades -40C to 105C: 0-5 MHz 1.8V 5.5V 0-10 MHz 2.7V 5.5V 0-20 MHz 4.5V 5.5V Speed Grades -40C to 125C: 0-8 MHz 2.7V - 5.5V 0-16 MHz 4.5V - 5.5V DS40002018B-page 2 Datasheet Preliminary 2019 Microchip Technology Inc.