Описание
The ATmega324PB is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega324PB achieves throughputs close to 1MIPS per MHz This empowers system designer to optimize the device for power consumption versus processing speed.
- High Performance, Low Power ®AVR® 8-Bit Microcontroller Family
- Advanced RISC Architecture
- 131 Powerful Instructions
- Most Single Clock Cycle Execution
- 32 x 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
- 32KBytes of In-System Self-Programmable Flash program memory
- 1KBytes EEPROM
- 2KBytes Internal SRAM
- Write/Erase Cycles: 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
- 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
- Peripheral Touch Controller (PTC)
- Capacitive touch buttons, sliders and wheels
- 32 Self-cap 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 I²C 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
- 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: 0.4mA
- Power-down Mode: 0.2µA
- Power-save Mode: 1.3µA (Including 32kHz RTC)
