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ATMEGA16A-PU
+BOMIC MCU 8BIT 16KB FLASH 40DIP
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA16A-PU
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Datasheet ATMEGA16A-PU DataSheet
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Package PDIP-40
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In Stock2232
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Series | AVR® ATmega |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
Overview
Equivalent
- ATMEGA16-16PU (older version, same specs)
- ATMEGA32A-PU (higher flash, same pinout)
- ATMEGA164PA-PU (similar, more memory)
- ATMEGA8535-PU (older, fewer features)
- AT90CAN32 (CAN support, similar specs)
For drop-in replacements, verify pin compatibility and features. Alternatives like PIC16F877A (Microchip) or STM32F103C8T6 (ARM-based) may require code adaptation.
Features
- CPU: 16 MHz max speed, 16 MIPS throughput.
- Memory: 16 KB Flash, 1 KB SRAM, 512 B EEPROM.
- I/O: 32 programmable pins (4 ports).
- Timers: Three (two 8-bit, one 16-bit) with PWM.
- ADC: 8-channel 10-bit.
- Communication: USART, SPI, I²C (TWI).
- Other: Watchdog timer, analog comparator, JTAG debugging.
- Package: 40-pin PDIP (DIP-40).
- Voltage: 2.7V–5.5V operation.
Ideal for embedded control applications.
Pinout
- I/O Ports: Four 8-bit ports (PORTA, PORTB, PORTC, PORTD) for general-purpose I/O.
- Analog Inputs: 8-channel 10-bit ADC (on PORTA).
- Communication: USART, SPI, and I²C interfaces.
- Timers: Three timers (two 8-bit, one 16-bit) for PWM/counting.
- Memory: 16KB Flash, 1KB SRAM, 512B EEPROM.
- Clock: Supports up to 16MHz (external or internal oscillator).
Pins include power (VCC, GND), reset (RESET), and dedicated pins for analog reference (AREF), crystal (XTAL1/2), and programming (ISP).
Application
- Industrial Control (automation, sensor interfacing)
- Consumer Electronics (appliances, remote controls)
- Automotive Systems (dashboard controls, basic ECUs)
- Robotics (motor control, simple bots)
- Home Automation (smart lighting, security systems)
- Medical Devices (basic monitoring equipment)
- Hobby Projects (Arduino-compatible circuits, DIY electronics)
Its features (16KB Flash, 1KB RAM, 8-bit AVR core) make it suitable for cost-effective, low-power applications.