atmega328-pu datasheet and alternative parts, atmega328-pu VS atmega328p-au VS atmega328p-aur VS atmega328p-pu
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| Part: | ATMEGA328P-AUR | ATMEGA328-PU | ATMEGA328P-AU | ATMEGA328P-PU |
| Manufacturer: | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Description: | IC MCU 8BIT 32KB FLASH 32TQFP | IC MCU 8BIT 32KB FLASH 28DIP | IC MCU 8BIT 32KB FLASH 32TQFP | IC MCU 8BIT 32KB FLASH 28DIP |
| Product Category: | Microcontrollers | Microcontrollers | Microcontrollers | Microcontrollers |
| Additional Feature | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ |
| Base Part Number | ATmega328P | ATmega328 | ATmega328P | ATmega328P |
| Base Product Number | ATmega328 | ATmega328 | ATmega328 | ATmega328 |
| Bit Size | 8 | 8 | 8 | 8 |
| Boundary Scan | No | - | No | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Connectivity | I2C, SPI, UART/USART | I2C, SPI, UART/USART | I2C, SPI, UART/USART | I2C, SPI, UART/USART |
| Contact Plating | Tin | Tin | Tin | Tin |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| CPU Family | AVR RISC | AVR RISC | AVR RISC | AVR RISC |
| DAC Channels | No | No | No | No |
| Data Bus Width | 8B | 8B | 8B | 8B |
| Data Converter | A/D 8x10b | A/D 6x10b | A/D 8x10b | A/D 6x10b |
| Data Converters | A/D 8x10b | A/D 6x10b | A/D 8x10b | A/D 6x10b |
| Device Core | AVR | AVR | AVR | AVR |
| Dimensions | 7.1 x 7.1 x 1.05mm | 34.79 x 7.49 x 4.06mm | 7.1 x 7.1 x 1.05mm | 34.79 x 7.49 x 4.06mm |
| DMA Channels | No | No | No | No |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Enclosure | TQFP 32 (7x7) | - | TQFP 32 (7x7) | PDIP 28 |
| Factory Lead Time | 6 Weeks | 7 Weeks | 6 Weeks | 8 Weeks |
| Family Name | ATMEGA | ATMEGA | ATMEGA | ATMEGA |
| Format | FIXED POINT | - | FIXED POINT | - |
| Frequency | 20MHz | 20MHz | 20MHz | 20MHz |
| Has ADC | yes | yes | yes | yes |
| Height | 1.2mm | 4.572mm | 1.2mm | 3.28mm |
| Instruction Set Architecture | RISC | RISC | RISC | RISC |
| Integrated Cache | No | - | No | - |
| Interface | 2-Wire, I2C, SPI, UART, USART | 2-Wire, I2C, SPI, UART, USART | 2-Wire, I2C, SPI, UART, USART | 2-Wire, I2C, SPI, UART, USART |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, USART |
| Interfaces | SPI/TWI/USART | SPI/USART | SPI/TWI/USART | SPI/TWI/USART |
| JESD-30 Code | S-PQFP-G32 | R-PDIP-T28 | S-PQFP-G32 | R-PDIP-T28 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Lead Free | Lead Free | Lead Free | Lead Free | Lead Free |
| Length | 7mm | 34.8mm | 7mm | 37.4mm |
| Low Power Mode | yes | - | yes | - |
| Manuf. code | MCP | - | MCP | MCP |
| Manufacturer | Microchip Technology | Microchip | Microchip Technology | Microchip Technology |
| Manufacturer Package Identifier | 32-A | - | 32-A | - |
| Max. operating temperature | +85°C | - | +85°C | +85°C |
| Maximum Operating Temperature | +85 °C | +85 °C | +85 °C | +85 °C |
| Memory Size | 32kB | 32kB | 32kB | 32kB |
| Mfr | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Minimum Operating Temperature | -40 °C | -40 °C | -40 °C | -40 °C |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) |
| Mount | Surface Mount | Through Hole | Surface Mount | Through Hole |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT | Through Hole |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Through Hole |
| MSL | MSL 3 - 168 hours | - | MSL 3 - 168 hours | MSL 1 - Unlimited |
| Number of ADC Channels | 8 | 6 | 8 | 6 |
| Number of External Interrupts | 2 | - | 2 | - |
| Number of I/O | 23 | 23 | 23 | 23 |
| Number of I/O Lines | 23 | 23 | 23 | 23 |
| Number of I/Os | 23 I/O | 23 I/O | 23 I/O | 23 I/O |
| Number of I2C Channels | 1 | 1 | 1 | 1 |
| Number of Pins | 32 | 28 | 32 | 28 |
| Number of SPI Channels | 2 | - | 2 | - |
| Number of Terminals | 32 | 28 | 32 | 28 |
| Number of Terminations | 32 | 28 | 32 | 28 |
| Number of Timers | 3 | - | 3 | - |
| Number of Timers/Counters | 3 | 3 | 3 | 3 |
| Number of UART Channels | 1 | - | 1 | - |
| On Chip Data RAM Width | 8 | - | 8 | - |
| On Chip Program ROM Width | 8 | - | 8 | - |
| Operating Temperature | -40°C~85°C TA | -40°C~85°C TA | -40°C~85°C TA | -40°C~85°C TA |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Package | Tape and Reel (TR);Cut Tape (CT);Digi-Reel®; | Tube | Tape and Reel (TR);Cut Tape (CT);Digi-Reel®; | Tube |
| Package / Case | 32-TQFP | 28-DIP (0.300, 7.62mm) | 32-TQFP | 28-DIP (0.300, 7.62mm) |
| Package Shape | Square | RECTANGULAR | Square | RECTANGULAR |
| Package Type | TQFP | PDIP | TQFP | PDIP |
| Packaging | Tape and Reel (TR) | Tube | Tape and Reel (TR) | Tube |
| Part Status | Active | Active | Active | Active |
| Pbfree Code | yes | yes | yes | yes |
| Peak Reflow Temperature (Cel) | 260 | Not Applicable | 260 | Not Applicable |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Pin Count | 32 | 28 | 32 | 28 |
| Power Supplies | 2/5 V | 2/5V | 2/5 V | 2/5V |
| Product | MCU | MCU | MCU | MCU |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Product Status | Active | Active | Active | Active |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Program Memory Size | 32KB 16K x 16 | 32KB 16K x 16 | 32KB 16K x 16 | 32KB 16K x 16 |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Published | 1997 | 1997 | 1997 | 1997 |
| PWM Channels | yes | yes | yes | yes |
| Qualification | - | - | - | - |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (words) | 2048 | - | 2048 | - |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| Reach Compliance Code | Compliant | Compliant | Compliant | Compliant |
| REACH SVHC | No SVHC | No SVHC | No SVHC | No SVHC |
| RoHS | Details | Details | Details | Details |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| ROM (words) | 16384 | 16384 | 16384 | 16384 |
| ROM Programmability | Flash | Flash | Flash | Flash |
| Seated Height-Max | 1.2 mm | 4.5724 mm | 1.2 mm | 4.5724 mm |
| Series | AVR® ATmega | AVR® ATmega | AVR® ATmega | AVR® ATmega |
| Speed | 20MHz | 20MHz | 20MHz | 20MHz |
| Supplier Device Package | 32-TQFP (7x7) | 28-PDIP | 32-TQFP (7x7) | 28-PDIP |
| Supply Current-Max | 200 mA | 12 mA | 200 mA | 9 mA |
| Supply Voltage | 5V | 5V | 5V | 5V |
| Supply Voltage-Max (Vsup) | 5.5V | 5.5V | 5.5V | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V | 4.5V | 4.5V | 4.5V |
| Surface Mount | yes | No | yes | No |
| Temperature Grade | Industrial | Industrial | Industrial | Industrial |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | Gull wing | THROUGH-HOLE | Gull wing | THROUGH-HOLE |
| Terminal Pitch | 0.8 mm | 2.54mm | 0.8 mm | 2.54mm |
| Terminal Position | QUAD | Dual | QUAD | Dual |
| Time@Peak Reflow Temperature-Max (s) | 40 | - | 40 | - |
| Tradename | AVR | AVR | AVR | AVR |
| Type | ATMEGA328P-AUR | - | ATMEGA328P-AUR | ATMEGA328P-PU |
| Typical Operating Supply Voltage | 5.5 (Maximum) V | 1.8 → 5.5 V | 5.5 (Maximum) V | 1.8 → 5.5 V |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Voltage - Supply (Vcc/Vdd) | 1.8V~5.5V | 1.8V~5.5V | 1.8V~5.5V | 1.8V~5.5V |
| Watchdog Timer | yes | yes | yes | yes |
| Width | 7.1mm | 7.49mm | 7.1mm | 6.76mm |
| Radiation Hardening | - | No | - | No |
| RAM (bytes) | - | 2048 | - | 2048 |
| Applications | - | - | - | -- |
| Casing | - | - | - | PDIP 28 |
| Controller Series | - | - | - | -- |
| Voltage - Supply | - | - | - | -- |
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