– 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
– Peripheral Touch Controller (PTC)
• Capacitive Touch buttons, Sliders and Wheels
• 32 Self-Sap Channels and 256 Mutual Cap Channels
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– Three 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
– Real Time Counter with Separate Oscillator
– Ten PWM Channels
– 8-Channel 10-Bit ADC
• Differential Mode with Selectable Gain at 1×, 10× or 200×
– Three Programmable Serial USART
– Two Master/Slave SPI Serial Interface
– Two Byte-oriented 2-wire Serial Interface (Philips I
2
C Compatible)
– 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 Oscillator
– External and Internal Interrupt Sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and
Extended Standby
– Clock Failure Detection Mechanism and Switch to 1MHz Internal RC Clock in case of Failure
– Individual Serial Number to Represent a Unique ID
• I/O and Packages
– 39 Programmable I/O Lines
– 44-Pin TQFP and 44-Pin QFN/MLF
• Operating Voltage:
– 1.8 - 5.5V
• Temperature Range:
– -40°C to 105°C
• Speed Grade:
– 0 - 4MHz @ 1.8 - 5.5V
– 0 - 10MHz @ 2.7 - 5.5.V
– 0 - 20MHz @ 4.5 - 5.5V
• Power Consumption at 1MHz, 1.8V, 25°C
– Active Mode: 0.24mA
– Power-Down Mode: 0.2μA
– Power-Save Mode: 1.3μA (Including 32kHz RTC)
Atmel ATmega324PB [DATASHEET]
Atmel-42546C-ATmega324PB_Datasheet_Summary-10/2016
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