ATMEGA328P-AU Microchip Technology IC MCU 8BIT 32KB FLASH 32TQFP

label:

2023/11/14 262

• High Performance, Low Power AVR® 8-Bit Microcontroller Family

• Advanced RISC Architecture
̶ 131 Powerful Instructions
– Most Single Clock Cycle Execution
̶ 32 x 8 General Purpose Working Registers
̶ Fully Static Operation
̶ Up to 20 MIPS Throughput at 20MHz
̶ On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory Segments
̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory
̶ 256/512/512/1KBytes EEPROM ̶ 512/1K/1K/2KBytes Internal SRAM
̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
̶ Data retention: 20 years at 85°C/100 years at 25°C(1)
̶ Optional Boot Code Section with Independent Lock Bits 
• In-System Programming by On-chip Boot Program 
• True Read-While-Write Operation
̶ Programming Lock for Software Security

• QTouch® library support
̶ Capacitive touch buttons, sliders and wheels
̶ QTouch and QMatrix™ acquisition
̶ Up to 64 sense channels

• Peripheral Features
̶ Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
̶ One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
̶ Real Time Counter with Separate Oscillator ̶ Six PWM Channels
̶ 8-channel 10-bit ADC in TQFP and QFN/MLF package 
• Temperature Measurement
̶ 6-channel 10-bit ADC in PDIP Package 
• Temperature Measurement
̶ Programmable Serial USART
̶ Master/Slave SPI Serial Interface
̶ Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
̶ Programmable Watchdog Timer with Separate On-chip Oscillator
̶ On-chip Analog Comparator
̶ Interrupt and Wake-up on Pin Change

• Special Microcontroller Features
̶ Power-on Reset and Programmable Brown-out Detection
̶ Internal Calibrated Oscillator
̶ External and Internal Interrupt Sources
̶ Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

• I/O and Packages
̶ 23 Programmable I/O Lines
̶ 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

• Operating Voltage:
̶ 1.8 - 5.5V

• Temperature Range:
̶ -40°C to 85°C

• Speed Grade:
̶ 0 - 4MHz@1.8 - 5.5V, 0 - 10MHz@2.7 - 5.5.V, 0 - 20MHz @ 4.5 - 5.5V

• Power Consumption at 1MHz, 1.8V, 25°C
̶ Active Mode: 0.2mA
̶ Power-down Mode: 0.1µA
• Power-save Mode: 0.75µA (Including 32kHz RTC)

CATALOG

ATMEGA328P-AU COUNTRY OF ORIGIN

ATMEGA328P-AU PARAMETRIC INFO

ATMEGA328P-AU PACKAGE INFO

ATMEGA328P-AU MANUFACTURING INFO

ATMEGA328P-AU PACKAGING INFO

ATMEGA328P-AU ECAD MODELS

ATMEGA328P-AU FUNCTIONAL BLOCK DIAGRAM

COUNTRY OF ORIGIN

China

Korea (Republic of)

Philippines

Taiwan (Province of China)

Thailand

PARAMETRIC INFO

Data Bus Width (bit)	8
Family Name	ATmega
Device Core	AVR
Instruction Set Architecture	RISC
Maximum Clock Rate (MHz)	20
Program Memory Type	Flash
Program Memory Size	32KB
RAM Size	2KB
EEPROM	1KB
Direct Memory Access	No
Floating Point Unit	No
Bluetooth	No
Wi-Fi	No
Multiply Accumulate	No
Input Capture Channels	1
Output Compare Channels	2
Internal/External Clock Type	Internal/External
Touch Sensing Interface	No
Power On Reset	No
Memory Protection Unit	No
Temperature Sensor	Yes
DDR	No
Memory Management Unit	No
Integrated Development Environment	No
Super Scalar	No
External Bus Interface	No
Maximum CPU Frequency (MHz)	20
Number of Programmable I/Os	23
Number of Timers	3
ADC Channels	8
ADC Resolution (bit)	10
Core Architecture	AVR
Number of ADCs	Single
PWM	6
Watchdog	1
Analog Comparators	1
Parallel Master Port	No
Real Time Clock	No
Timers Resolution (bit)	16
Interface Type	SPI/TWI/USART
Programmability	Yes
SPI	2
I2C	0
Process Technology	CMOS
I2S	0
UART	0
USART	1
CAN	0
USB	0
Ethernet	0
Minimum Operating Supply Voltage (V)	1.8
Typical Operating Supply Voltage (V)	2.5\|3.3\|5
Maximum Operating Supply Voltage (V)	5.5
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Temperature Flag	Opr
Supplier Temperature Grade	Industrial
Operating Supply Voltage (V)	2.5\|3.3\|5
Maximum Storage Temperature (°C)	150
Minimum Storage Temperature (°C)	-65

PACKAGE INFO

Supplier Package	TQFP
Basic Package Type	Lead-Frame SMT
Pin Count	32
Lead Shape	Gull-wing
PCB	32
Tab	N/R
Pin Pitch (mm)	0.8
Package Length (mm)	7
Package Width (mm)	7
Package Height (mm)	1
Package Diameter (mm)	N/R
Package Overall Length (mm)	9
Package Overall Width (mm)	9
Package Overall Height (mm)	1.2(Max)
Seated Plane Height (mm)	1.2(Max)
Mounting	Surface Mount
Package Weight (g)	N/A
Package Material	Plastic
Package Description	Thin Quad Flat Package
Package Family Name	QFP
Jedec	MS-026ABA
Package Outline	Link to Datasheet

MANUFACTURING INFO

MSL	1
Maximum Reflow Temperature (°C)	260
Reflow Solder Time (Sec)	20 to 40
Number of Reflow Cycle	3
Standard	J-STD-020C
Reflow Temp. Source	Link to Datasheet
Maximum Wave Temperature (°C)	N/R
Wave Solder Time (Sec)	N/R
Lead Finish(Plating)	Matte Sn annealed
Under Plating Material	N/A
Terminal Base Material	Cu Alloy
Number of Wave Cycles	N/R

PACKAGING INFO

Packaging	Tray
Quantity Of Packaging	250

ECAD MODELS

FUNCTIONAL BLOCK DIAGRAM