ATMEGA32-16AU IC

Technical Specifications of ATMEGA32-16AU

Datasheet	ATMEGA32-16AU datasheet
Category	Integrated Circuits (ICs)
Family	Embedded – Microcontrollers
Manufacturer	Atmel
Series	AVR? ATmega
Packaging	Tray
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	32KB (16K x 16)
Program Memory Type	FLASH
EEPROM Size	1K x 8
RAM Size	2K x 8
Voltage – Supply (Vcc/Vdd)	4.5 V ~ 5.5 V
Data Converters	A/D 8x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	44-TQFP
Supplier Device Package	44-TQFP (10×10)

ATMEGA32-16AU Description

Microchip’s 8-bit AVR® RISC-based microcontroller is powerful and good at what it does. It has a JTAG interface for on-chip and boundary-scan programming and debugging, 32 KB of rewritable ISP flash memory, 1 KB of erasable programmable read-only memory (EEPROM), 2 KB of static random-access memory (SRAM), 54/69 general-purpose I/O lines, 32 GP working registers, and three programmable timer/counters. The gadget can run on voltages between 1.8 and 5.5 volts.

Because it can run multiple powerful instructions in a single clock cycle, it can do about one MIPS per MHz. The trade-off between processing speed and energy use is quite good in this case.

Detailed Description

The Atmel® AVR® ATmega32 is a low-power, 8-bit CMOS microcontroller with an AVR-enhanced RISC architecture. The ATmega32 has throughputs near 1 MIPS per MHz because it can run powerful instructions in a single clock cycle. This lets the system designer find the best balance between power consumption and processing speed.

In addition to its large set of instructions, the Atmel® AVR® core has 32 working registers that can be used for anything. All 32 registers are directly connected to the ALU, so a single instruction can read data from two different registers in one clock cycle. This design’s efficient coding lets it have throughputs up to ten times higher than regular CISC microcontrollers.

The ATmega32 has the following built-in features: Among its functions are Some features are It has 32Kb of rewritable flash memory, 1024b of EEPROM, 2kb of SRAM, 32GPIO lines, 32GPWR registers, a JTAG interface for Boundary-scan, On-chip Debugging support and programming, 3 programmable Timer/Counters with compare modes, Internal and External Interrupts, and a serial port. In Idle mode, the CPU is not doing anything, but the rest of the system’s peripherals, such as the SRAM, Timer/Counters, SPI port, and interrupt system, are still working.

When power is turned off, the chip’s registers stay the same, but the Oscillator is locked. This stops the chip from working until an external interrupt or hardware reset is received. In Power-Save mode, the Asynchronous Timer will keep running even if the rest of the device sleeps. To keep switching noise to a minimum while the ADC is being converted, the CPU and all I/O modules are turned off except for the Asynchronous Timer and the ADC. Even when the rest of the device is in Standby mode, the crystal/resonator Oscillator keeps working. This makes it possible to start up immediately while using very little power.

In Extended Standby mode, the main Oscillator and the Asynchronous Timer keep running. Atmel’s high-density nonvolatile memory technology is used to make the device. The SPI serial interface, a standard nonvolatile memory programmer, or an Onchip Boot application running on the AVR core can be used to re-program the program memory while it is still in use. The boot program may utilize any interface it can find to get to the apps in the Application Flash memory.

The Read-While-Write feature keeps the Boot Flash program running while the Application Flash software is being updated. The Atmel ATmega32 is a powerful microcontroller that combines an 8-bit RISC CPU with In-System Self-Programmable Flash on a single chip. This gives many embedded control applications a highly flexible and cost-effective solution.

Features

The Atmel® AVR® ATmega32 is an 8-bit CMOS microprocessor that works well and doesn’t use much power. It uses the AVR-improved RISC architecture as its foundation. The ATmega32 can run nearly 1 MIPS per MHz because it can finish complicated instructions in a single clock cycle. The system designer can then find the best balance between how fast the system works and how much power it needs.

The Atmel® AVR® core has a lot of different instructions and 32 general-purpose working registers. Since all 32 registers are directly connected to the ALU, a single instruction can run in one clock cycle and access two different registers. A factor of up to 10 can increase throughputs compared to traditional CISC microcontrollers. So, the architecture makes better use of code in general.

Some things that the ATmega32 can do are the following: Features include 32KB of rewritable programmable flash memory, 1024KB of erasable programmable read-only memory (EEPROM), 2KB of static random access memory (SRAM), 32GPIO lines, 32GPWR registers, on-chip programming and debugging, 3 programmable Timer/Counters with compare modes, internal and external interrupts, and a JTAG interface for boundary scanning.

In idle mode, the central processing unit (CPU) is turned off, but other parts of the system (SRAM, Timer/Counters, SPI port, and interrupt system) keep working as usual.

The chip registers stay the same when the power goes out, but the oscillator stops. The chip will not do anything until it gets a hardware reset or an external interrupt. The Power-save mode keeps the Asynchronous Timer going even when the rest of the device sleeps.

Only the Asynchronous Timer and the ADC are active in ADC Noise Reduction mode. All other I/O modules are turned off. This cuts down on switching noise while the ADC is converting. Even when the device is in Standby mode, the crystal/resonator Oscillator keeps running. This lets the machine start up quickly and with little energy use.

In Extended Standby, the main oscillator and the asynchronous timer keep running. Atmel’s high-density nonvolatile memory is used to make the device. The On-chip ISP Flash allows updating the program memory while the system is running. The SPI serial interface, a standard nonvolatile memory programmer, or an Onchip Boot application running on the AVR core can be used to access it. Any interface could be used by the boot program to get to the apps in the Application Flash memory.

True Read-While-Write functionality is provided by keeping the Boot Flash code running in the background while upgrading the Application Flash. The Atmel ATmega32 is a powerful microcontroller with an 8-bit RISC Processor and programmable flash memory built right into the system. It is a great choice for many embedded control applications because it can be used in many different ways and doesn’t cost much. The Atmel AVR ATmega32 has software and system development tools like C compilers, in-circuit emulators, macro assemblers, program debuggers/simulators, and evaluation kits.

Conclusion

Overall, the Atmel AVR ATmega32 is a flexible and reasonably priced microcontroller with a strong 8-bit CMOS CPU and sufficient memory for most applications. System designers frequently use it because of its many features, which include a programmable Timer/Counters, JTAG interface, and 32 general-purpose I/O lines. Low power consumption and capacity to maintain registers even when the power is off only increase its allure. Consider contacting ICRFQ, China’s largest distributor of electronic parts, if you’re interested in buying the ATMEGA32-16AU or any other electronic component for top-notch goods at a better cost.

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