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ATmega1284 Datasheet

8-bit AVR Microcontrollers

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ATmega1284 pdf
JTAG (IEEE std. 1149.1 Compliant) Interface
Boundary-scan Capabilities According to the JTAG Standard
Extensive On-chip Debug Support
Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
Peripheral Features
Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
Two 16-bit Timer/Counters with Separate Prescaler, Compare Mode, and Capture Mode
Real Time Counter with Separate Oscillator
Eight PWM Channels
8-channel 10-bit ADC
• Differential Mode with Selectable Gain at 1×, 10× or 200×
One Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
Two Programmable Serial USART
One Master/Slave SPI Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Interrupt and Wake-up on Pin Change
Special Microcontroller Features
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated RC Oscillator
External and Internal Interrupt Sources
Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and
Extended Standby
I/O and Packages
32 Programmable I/O Lines
40-pin PDIP
44-lead TQFP
44-pad VQFN/QFN
Operating Voltage:
1.8 - 5.5V
Speed Grades
0 - 4MHz @ 1.8V - 5.5V
0 - 10MHz @ 2.7V - 5.5V
0 - 20MHz @ 4.5 - 5.5V
Power Consumption at 1MHz, 1.8V, 25°C
Active Mode: 0.4mA
Power-down Mode: 0.1μA
Power-save Mode: 0.6μA (Including 32kHz RTC)
Note: 
1. Refer to Data Retention
Related Links
Data Retention on page 18
Atmel ATmega1284 [DATASHEET]
Atmel-42718B-ATmega1284_Datasheet_Complete-08/2016
2
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