Microchip ATMEGA328P-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 32 kB Flash, 28-Pin PDIP
- RS Stock No.:
- 1310276
- Mfr. Prt No.:
- ATMEGA328P-PU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1310276 |
| Product description | Microchip ATMEGA328P-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 32 kB Flash, 28-Pin PDIP |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATMEGA328P-PU |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1310276 |
| Product description | Microchip ATMEGA328P-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 32 kB Flash, 28-Pin PDIP |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATMEGA328P-PU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 25, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
ATmega328P 8-Bit megaAVR picoPower Microcontrollers
The Atmel ATmega328P Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. Featured is picoPower technology that offers ultra-low power consumption and low-power sleep modes, ideal for battery powered applications.
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
•Six 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
Specifications
| Attribute | Value |
| Brand | Microchip |
| Data Bus Width | 8 bit |
| Timer Resolution | 8 bit, 16 bit |
| Height | 4.06 mm |
| PWM Channels | 6 |
| Width | 7.49 mm |
| ADC Resolution | 10 bit |
| Device Core | AVR |
| Program Memory Size | 32 kB |
| Timers | 1(1 x 16 bit), 1(2 x 8 bit) |
| Minimum Operating Temperature | -40 °C |
| Dimensions | 34.79 x 7.49 x 4.06 mm |
| RAM Size | 2 kB |
| Typical Operating Supply Voltage | 1.8 → 5.5 V |
| Pin Count | 28 |
| ADCs | 6 x 10 bit |
| Pulse Width Modulation | 1 (6 Channel) |
| Instruction Set Architecture | RISC |
| Mounting Type | Through Hole |
| ADC Channels | 6 |
| Number of ADC Units | 1 |
| Program Memory Type | Flash |
| Maximum Frequency | 20 MHz |
| Package Type | PDIP |
| Maximum Operating Temperature | +85 °C |
| USB Channels | 0 |
| Number of PWM Units | 1 |
| Length | 34.79 mm |
| Number of Timers | 2 |
| Family Name | ATmega |
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