Microchip Technology

ATMEGA645-16AU  

Microcontrollers

The ATMEGA645-16AU is a microcontroller unit (MCU) manufactured by Microchip Technology. It is part of the ATmega family of 8-bit AVR microcontrollers, which are widely used in various applications due to their high performance, low power consumption, and ease of use.

Description:

The ATMEGA645-16AU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. It features 64 Kbytes of in-system programmable Flash memory, 4 Kbytes of EEPROM, and 4 Kbytes of SRAM. The device operates at a frequency of 16 MHz and is available in a 44-pin TQFP (Thin Quad Flat Package) package.

Features:

1. 64 Kbytes of In-System Programmable Flash memory with read-while-write capability
2. 4 Kbytes of EEPROM
3. 4 Kbytes of SRAM
4. 44 general-purpose I/O lines
5. 32 general-purpose working registers
6. Nested interrupt controller with 16 levels
7. On-chip debug system with JTAG interface
8. Two 8-bit and one 16-bit timer/counters with input capture and compare modes
9. Two UARTs (USARTs) with RS232/RS485 hardware support
10. 8-channel 10-bit ADC with up to 11 differential inputs
11. SPI and I2C serial communication interfaces
12. On-chip oscillator calibration
13. Watchdog timer with internal and external reset
14. Three software selectable power saving modes
15. Brownout detection with programmable threshold and reset
16. Operating temperature range: -40°C to +85°C

Applications:

The ATMEGA645-16AU is suitable for a wide range of applications, including but not limited to:

1. Industrial control and automation systems
2. Home automation and smart appliances
3. Data acquisition and signal processing systems
4. Medical devices and equipment
5. Telecommunication systems and devices
6. Automotive control systems
7. Battery management systems
8. Security and surveillance systems
9. Portable electronic devices
10. Embedded systems in various consumer products

The ATMEGA645-16AU's combination of features, such as ample memory, multiple communication interfaces, and low power consumption, make it a versatile choice for a wide range of embedded applications.

ATMEGA645-16AU Documents

Download datasheets and manufacturer documentation for ATMEGA645-16AU

PCN Assembly/Origin :

Assembly Site 27/Jul/2023      

Datasheets :

ATMEGA325, 645, 3250, 6450(V) Datasheet      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       New Packing Material 02/Aug/2019      

Design Resources :

ATmega645 Development Tool Selector      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 17/Oct/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH