MCU AVR 8BIT 32KB FLASH 20MHZ 24VQFN


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Bypass caps, pull-ups, strapping resistors, custom silkscreen & more
Design a Custom BoardThe ATtiny3227 is a 24-pin microcontroller from Microchip's tinyAVR 2 family featuring an AVR CPU with hardware multiplier running up to 20 MHz. It includes 32 KB Flash memory, 3 KB SRAM, 256B EEPROM, and 22 GPIO pins. Integrated peripherals include a 12-bit differential ADC with PGA, Event System, and advanced digital I/O for embedded control applications.
This 0.5mm pitch QFN is nearly impossible to hand solder and entirely incompatible with breadboards due to hidden pads beneath the package. A breakout board provides accessible headers and pre-soldered connections, letting you prototype with InvenSense motion sensors via I2C or SPI without specialized SMD equipment or rework skills.
ELECTRICAL CHARACTERISTICS
| Manufacturer | Microchip Technology |
| Part Number | ATTINY3227-MFR |
| Package | QFN-24 (4×4mm) |
| Pin Count | 24 |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Number of I/O | 22 |
| Program Memory Size | 32KB (32K x 8) |
| Speed | 20MHz |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
BILL OF MATERIALS
PCB SPECIFICATIONS