Microchip ATMEGA328-AU, 8bit AVR Microcontroller, ATmega, 20MHz, 32 kB Flash, 32-Pin TQFP
- RS Stock No.:
- 738-0432
- Mfr. Part No.:
- ATMEGA328-AU
- Brand:
- Microchip
Discontinued
- RS Stock No.:
- 738-0432
- Mfr. Part No.:
- ATMEGA328-AU
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | ATmega | |
| Package Type | TQFP | |
| Mounting Type | Surface Mount | |
| Pin Count | 32 | |
| Device Core | AVR | |
| Data Bus Width | 8bit | |
| Program Memory Size | 32 kB | |
| Maximum Frequency | 20MHz | |
| RAM Size | 1 kB, 2 kB | |
| Number of PWM Units | 1 | |
| Number of SPI Channels | 1 | |
| Typical Operating Supply Voltage | 1.8 → 5.5 V | |
| Number of I2C Channels | 1 | |
| Number of USART Channels | 1 | |
| Number of UART Channels | 0 | |
| Number of CAN Channels | 0 | |
| Number of ADC Units | 1 | |
| Pulse Width Modulation | 1(6 Channel) | |
| Width | 7.1mm | |
| ADCs | 8 x 10 bit | |
| Priced to Clear | Yes | |
| Length | 7.1mm | |
| Maximum Operating Temperature | +85 °C | |
| Instruction Set Architecture | RISC | |
| Number of PCI Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Program Memory Type | Flash | |
| Dimensions | 7.1 x 7.1 x 1.2mm | |
| Number of LIN Channels | 0 | |
| Height | 1.2mm | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Number of Ethernet Channels | 0 | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name ATmega | ||
Package Type TQFP | ||
Mounting Type Surface Mount | ||
Pin Count 32 | ||
Device Core AVR | ||
Data Bus Width 8bit | ||
Program Memory Size 32 kB | ||
Maximum Frequency 20MHz | ||
RAM Size 1 kB, 2 kB | ||
Number of PWM Units 1 | ||
Number of SPI Channels 1 | ||
Typical Operating Supply Voltage 1.8 → 5.5 V | ||
Number of I2C Channels 1 | ||
Number of USART Channels 1 | ||
Number of UART Channels 0 | ||
Number of CAN Channels 0 | ||
Number of ADC Units 1 | ||
Pulse Width Modulation 1(6 Channel) | ||
Width 7.1mm | ||
ADCs 8 x 10 bit | ||
Priced to Clear Yes | ||
Length 7.1mm | ||
Maximum Operating Temperature +85 °C | ||
Instruction Set Architecture RISC | ||
Number of PCI Channels 0 | ||
Number of Ethernet Channels 0 | ||
Program Memory Type Flash | ||
Dimensions 7.1 x 7.1 x 1.2mm | ||
Number of LIN Channels 0 | ||
Height 1.2mm | ||
Minimum Operating Temperature -40 °C | ||
Maximum Number of Ethernet Channels 0 | ||
ATmega328 8-Bit megaAVR Microcontrollers
The Atmel ATmega328 Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle the ATmega328 achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and speed.
Microcontroller Features
20 MHz Max. Operating Frequency
Up to 20 MIPS at 20 MHz
32 KB Flash
1024 B EEPROM
2 KB SRAM
131 Instructions – Most single clock cycle execution
32 General Purpose Registers
23 GPIO
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Five Power-Saving Sleep Modes
Internal and External Interrupts
Fully Static Operation
Up to 20 MIPS at 20 MHz
32 KB Flash
1024 B EEPROM
2 KB SRAM
131 Instructions – Most single clock cycle execution
32 General Purpose Registers
23 GPIO
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Five Power-Saving Sleep Modes
Internal and External Interrupts
Fully Static Operation
Peripheral Features
10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels
Capacitive Touch Sense – 16 channels
Temperature Sensor
Two 8-bit Timers
One 16-bit Timer
Output Compare Module – 6 channels
Six PWM Channels
Programmable Serial USART
Master/Slave SPI Serial Interface
Byte-oriented 2-wire Serial Interface – I2C compatible
Programmable Watchdog Timer with Separate Oscillator
Analogue Comparator
Interrupt and Wake-up on Pin Change
Capacitive Touch Sense – 16 channels
Temperature Sensor
Two 8-bit Timers
One 16-bit Timer
Output Compare Module – 6 channels
Six PWM Channels
Programmable Serial USART
Master/Slave SPI Serial Interface
Byte-oriented 2-wire Serial Interface – I2C compatible
Programmable Watchdog Timer with Separate Oscillator
Analogue Comparator
Interrupt and Wake-up on Pin Change