IC MCU 8BIT 32KB FLASH 32TQFP
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The high-performance Microchip'sATmega328PB is an 8-bit AVR® RISC-based microcontroller (MCU) with picoPower® technology. It combines 32kB ISP Flash memory with read-while-write capabilities, 1kB EEPROM, 2kB SRAM, 27 general purpose I/O lines, 32 general purpose working registers, five flexible timer/counters with compare modes, internal and external interrupts, two USARTs with wake-up on start of transmission, two byte-oriented 2-wire serial interfaces, two SPI serial ports, 8-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, a unique serial number and six software selectable power saving modes. The device operates between 1.8-5.5 volts.
The ATmega328PB is the first 8-bit AVR MCU to feature theQTouch® Peripheral Touch Controller (PTC), which acquires signals in order to detect touch on capacitive sensors, and supports both self- and mutual-capacitance sensors. The PTC is supported by the QTouch Composer development tool (QTouch Library project builder and QTouch Analyzer). It provides a faster and less complex capacitive touch implementation in any application.
The ATmega328PB supports 24 buttons in self-capacitance mode, or up to 144 buttons in mutual-capacitance mode. Mixing and matching mutual-and self-capacitance sensors is possible. Only one pin is required per electrode and no external components are required, delivering savings on the BOM cost compared to competing solutions.
By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
Functional Safety:This product is recommended for safety critical applications targeting both industrial and automotive products(IEC 61508 and ISO 26262). Necessary documentation such as the FMEDA report can be provided on request. Please contact your local Microchip salesoffice or your distributor for more information.
Footprint
Core Processor AVR
Speed 20MHz
Operating Temperature -40℃ ~ 85℃ (TA)
Program Memory Type FLASH
RAM Size 2K x 8
Number of I/O 27
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Mounting Type Surface Mount
Oscillator Type Internal
Supplier Device Package 32-TQFP (7x7)
EEPROM Size 1K x 8
Package / Case 32-TQFP
Core Size 8-Bit
Connectivity I2C, SPI, UART/USART
Program Memory Size 32KB (16K x 16)
Data Converters A/D 8x10b
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
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