Mikrocontroller

Produkte (18737)

ATMEGA88A-AU - 8KB AVR 20MHz MCU TQFP-32 | Microchip
ATMEGA88A-AU

ATMEGA88A-AU - 8KB AVR 20MHz MCU TQFP-32 | Microchip

The Microchip Technology ATMEGA88A-AU is a high-performance picoPower 8-bit AVR RISC microcontroller with 8 KB ISP Flash memory, 512 B EEPROM, 1 KB SRAM, and 23 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm) package. It runs at up to 20 MHz and operates from 1.8 V to 5.5 V. An AVR microcontroller is a Harvard-architecture 8-bit RISC device that executes most instructions in a single clock cycle, sitting within the hierarchy of microcontroller -> embedded processor -> integrated circuit -> semiconductor. The ATmega family is the classic general-purpose AVR line, and the ATmega88A is its 8 KB Flash member, offering a balanced mix of memory, peripherals, and low power for cost-sensitive embedded designs. Key features include 8 KB of in-system programmable Flash with read-while-write, 512 B EEPROM for non-volatile parameter storage, 1 KB SRAM, 23 programmable I/O lines, and 32 general-purpose working registers. Three flexible timer/counters with compare modes, a byte-oriented Two-Wire serial interface (TWI/I2C), a programmable USART, and an 8-channel 10-bit ADC cover most embedded control needs without external glue logic. The device uses Microchip picoPower technology, achieving sub-1 uA power-down current and multiple sleep modes, which makes it well suited to battery-powered and always-on sensing products. The 20 MHz maximum clock at 4.5-5.5 V supports 20 MIPS throughput, while the 1.8 V minimum supply allows direct operation from single-cell Li-Ion or 2xAA rails. Typical applications include consumer appliance control panels, industrial sensor nodes, battery-powered IoT endpoints, motor control front-ends, and legacy ATmega8/ATmega88 board upgrades. The TQFP-32 footprint is shared across the ATmega48A/88A/168A/328A family, allowing firmware and layout reuse. When designing with the ATMEGA88A-AU, decouple every VCC/AVCC pin with 100 nF ceramic capacitors placed within a few millimeters of the pin, and add a 10 uF bulk capacitor near the regulator. The internal calibrated RC oscillator removes the need for an external crystal in many applications, but an external 16 MHz crystal is recommended when precise UART baud rates or USB-serial bridging are required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.

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ATMEGA88A-CCUR - 8KB Flash 20MHz AVR MCU 32-UFBGA | Microchip
ATMEGA88A-CCUR

ATMEGA88A-CCUR - 8KB Flash 20MHz AVR MCU 32-UFBGA | Microchip

The Microchip ATMEGA88A-CCUR is an 8-bit AVR RISC microcontroller with 8 KB ISP Flash memory, 512 B EEPROM, 1 KB SRAM, and 23 general purpose I/O lines, housed in a 32-ball UFBGA (4x4 mm) package and rated for 20 MHz operation with 1.8V to 5.5V supply per the DigiKey listing. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in the microcontroller unit (MCU) family of embedded processors. Within the power hierarchy, an MCU combines a CPU core, program memory (Flash), data memory (SRAM), non-volatile storage (EEPROM), and peripherals such as timers, UART/USART, SPI, TWI (I2C), and ADC onto a single integrated circuit, forming the core of a power management and control system in embedded products. Key features include the advanced RISC architecture with 131 powerful instructions, most executed in a single clock cycle; 32 general purpose working registers; picoPower technology for ultra-low sleep-mode consumption; and read-while-write Flash for safe in-system self-programming. Per the DigiKey listing, this variant runs at up to 20 MHz in the 32-UFBGA package. The AVR core executes out of single-cycle Flash, achieving close to 1 MIPS per MHz throughput. Peripherals include two 8-bit timers and one 16-bit timer with PWM outputs, a 10-bit ADC, master/slave SPI, byte-oriented TWI, and a programmable serial USART. The picoPower technology stack offers multiple sleep modes including power-down and power-save for battery designs. Typical applications include compact battery-powered sensor nodes, wearable and portable devices where the 4x4 mm UFBGA footprint saves board area, industrial control nodes, and consumer appliances requiring in-circuit serial programming (ICSP) via the MPLAB SNAP debugger. Design consideration: ball-grid-array packages require a defined PCB land pattern and reflow assembly, and flash programming access to PB6/PB7 (XTAL1/XTAL2 shared pins) must be planned in the layout. Verify the 1.8V/2.7V/4.5V speed-voltage derating curves in the manufacturer datasheet at your target clock frequency. This page synthesizes distributor listings, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88A-MMH - 8-bit AVR MCU 8KB Flash 20MHz VQFN-28 | Microchip
ATMEGA88A-MMH

ATMEGA88A-MMH - 8-bit AVR MCU 8KB Flash 20MHz VQFN-28 | Microchip

The Microchip Technology ATMEGA88A-MMH is a picoPower 8-bit AVR RISC microcontroller featuring 8 KB of ISP Flash memory with read-while-write capability, 512 B of EEPROM, 1 KB of SRAM, and 23 general-purpose I/O lines, executing at up to 20 MHz from a 28-pad VQFN (4x4 mm) package with exposed pad. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die, sitting at the device level of the embedded-systems hierarchy (MCU -> embedded processor -> embedded system). The AVR family popularized single-cycle RISC execution, and this ATmega88A variant belongs to the entry-level ATmega line that bridges tinyAVR and megaAVR parts such as the ATmega328P. Key features include the advanced RISC architecture with 130 powerful instructions, most executed in a single clock cycle, plus 32 general-purpose working registers. Peripherals include three flexible timer/counters with compare modes, internal and external interrupt sources, a 10-bit ADC, USART, SPI, and two-wire (I2C) serial interfaces. The picoPower technology delivers low active and sleep-mode consumption, supporting battery-powered designs. Architecturally, the Harvard-structure AVR core fetches instructions and data over separate buses, enabling the 20 MHz single-cycle operation. In-system programmable Flash with read-while-write support allows firmware updates in the field through SPI or a boot loader. Typical applications include consumer appliance control, industrial sensor nodes, battery-powered metering, and hobby/education boards, where the small 4x4 mm footprint and rich peripheral set fit space-constrained PCBs. Design consideration: the VQFN exposed pad should be soldered to a grounded copper pour for both thermal dissipation and signal-integrity, and the 8 KB Flash ceiling should be budgeted early if C libraries such as floating-point math are required. This page adds value beyond the datasheet by consolidating verified distributor pricing (as of 2026-09-19), drop-in same-package alternatives, and practical design guidance for the ATMEGA88A-MMH.

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ATMEGA88A-MMHR - 8KB AVR MCU, 20MHz, VQFN-28 | Microchip
ATMEGA88A-MMHR

ATMEGA88A-MMHR - 8KB AVR MCU, 20MHz, VQFN-28 | Microchip

The Microchip ATMEGA88A-MMHR is a high-performance, low-power 8-bit AVR RISC microcontroller with 8 KB ISP Flash memory (4K x 16), 512 B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines and a maximum clock frequency of 20 MHz, supplied in a 28-pad VQFN (4x4 mm MLF) package. Through-Hole predecessors aside, this is the picoPower-optimized ATmega88A generation in the space-saving QFN land pattern. An 8-bit AVR microcontroller is a single-chip computer built around the AVR enhanced RISC architecture, executing powerful instructions in a single clock cycle. Within the system hierarchy, it belongs to the microcontroller family (MCU -> embedded processor -> integrated circuit), integrating CPU, program Flash, data SRAM, EEPROM, timers and peripherals on one die, eliminating external memory chips in cost- and space-sensitive designs. Key features include the advanced RISC core with 131 instructions, most single-cycle, delivering close to 20 MIPS at 20 MHz; two 8-bit timers, one 16-bit timer and a 10-bit 8-channel ADC; plus USI (Universal Serial Interface) and one full-duplex USART for serial connectivity. In-System Programmable (ISP) Flash with read-while-write support enables field firmware updates through the SPI interface using tools such as the MPLAB SNAP. The ATmega88A achieves throughput up to 20 MIPS at 20 MHz at 1.8V-5.5V operation, letting designers trade speed against power consumption. Its interrupt-driven picoPower sleep modes (idle, ADC noise reduction, power-down, power-save, standby) cut consumption to microamp levels in battery products. Typical applications include industrial sensor nodes and control panels, consumer appliance user interfaces, battery-powered metering, and hobby/embedded platforms using Arduino-compatible bootloaders. The 4x4 mm VQFN suits compact two-layer PCBs where a TQFP-32 footprint is too large. Design consideration: the 28-VQFN/MLF center pad must be soldered to a grounded copper pour, both for 0V connection and heat dissipation; plan reflow soldering rather than hand rework. This page synthesizes distributor pricing context, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88A-MUR - 8-bit AVR MCU, 8KB Flash 20MHz | Microchip
ATMEGA88A-MUR

ATMEGA88A-MUR - 8-bit AVR MCU, 8KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA88A-MUR is a high-performance, low-power 8-bit AVR RISC microcontroller with 8KB of ISP Flash memory, 20MHz maximum clock speed, and a 32-pad VQFN (5x5 mm) package with exposed pad. An 8-bit AVR microcontroller is a complete self-contained computing system on a single chip, combining a RISC processor core, program memory, SRAM, EEPROM, timers, and analog peripherals such as ADC and analog comparators. Microcontrollers sit at the lowest level of the embedded systems hierarchy: microcontroller -> embedded processor -> MCU families like the AVR ATmega series, which are programmed in C or assembly through development tools such as MPLAB X and AVR-GCC, and debugged in-circuit via ICSP using tools like the MPLAB SNAP. Key features of the ATMEGA88A include 8KB ISP Flash with read-while-write capability, 512B EEPROM, 1KB SRAM, 23 general-purpose I/O lines, and 32 general-purpose working registers. The AVR enhanced RISC core executes 130 powerful instructions, most in a single clock cycle, delivering up to 20 MIPS throughput at 20MHz. The picoPower technology provides multiple sleep modes with very low active and idle power consumption. The ATmega88A architecture includes three flexible timers/counters with compare modes (two 8-bit and one 16-bit), internal and external interrupt sources, a serial programmable USART, an SPI serial interface, a two-wire interface (I2C-compatible), an 8-channel 10-bit ADC with differential mode, and an internal calibrated RC oscillator. The wide supply voltage range of 1.8V to 5.5V supports battery-powered designs as well as 5V industrial systems. Typical applications include industrial automation and sensor nodes, home appliance and HVAC control boards, and battery-powered portable devices where low standby power matters. The 32-VQFN (5x5 mm) package saves board area versus TQFP while retaining full peripheral access. When designing with this device, reserve the PC6/RESET pin for in-circuit serial programming and follow the datasheet power-supply decoupling recommendations for the exposed pad. This page synthesizes verified distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

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ATMEGA88A-PU - 8-bit 20MHz AVR MCU | Microchip Technology
ATMEGA88A-PU

ATMEGA88A-PU - 8-bit 20MHz AVR MCU | Microchip Technology

The Microchip Technology ATMEGA88A-PU is an 8-bit AVR RISC-based microcontroller with 20 MHz maximum clock speed, 8 KB of ISP Flash memory, 512 B of EEPROM, 1 KB of SRAM, and 23 general-purpose I/O lines. It is supplied in a 28-pin plastic dual in-line package (PDIP), designated by the “-PU” package suffix. The device combines picoPower technology with read-while-write Flash, a byte-oriented Two-Wire Interface, USART, and flexible timer/counter resources. A microcontroller is a complete programmable control component integrating a CPU core, nonvolatile program memory, data memory, peripherals, and I/O in one package. Within the product hierarchy, the ATMEGA88A-PU is an 8-bit AVR microcontroller, part of the broader embedded-controller and semiconductor categories. It is suited to compact embedded systems in which deterministic control, serial communication, and low-cost PCB assembly are more important than high processor throughput or large data storage. The verified device data identifies three timer/counters with compare modes, internal and external interrupts, 32 general-purpose working registers, and serial interfaces including USART and Two-Wire Interface. Its 23 I/O lines provide flexible connections for sensors, actuators, indicators, and control logic. Read-while-write Flash allows the program memory to remain readable during programming operations, while the 512 B EEPROM supports persistent parameter storage outside the 1 KB SRAM workspace. The 28-PDIP package supports through-hole assembly and is useful for prototypes, educational platforms, and production boards where insertion and inspection are preferred over compact SMT packaging. The manufacturer product page describes the ATmega88A family as an active, picoPower 8-bit AVR RISC-based device. The DigiKey listing identifies ATMEGA88A-PU as a 28-PDIP part operating up to 20 MHz, while Mouser lists 8 KB Flash, 512 B EEPROM, and 1 KB SRAM. Typical applications include compact sensor controllers, building-automation endpoints, industrial control modules, hobbyist robotics, and legacy AVR firmware updates. The USART supports host-oriented serial links, while the Two-Wire Interface can connect compatible sensors or peripherals. For new designs, engineers should confirm the exact oscillator, fuse, and operating-voltage configuration against the manufacturer documentation for the selected ordering variant. A key design consideration is package choice: the DIP format occupies more board area than an equivalent surface-mount package, but it simplifies breadboard prototyping, socket assembly, and field replacement. Firmware must also be sized for the 8 KB Flash limit and should account for bootloader space if serial programming is retained. Decoupling and signal-layout guidance should follow the AVR family hardware recommendations. This page consolidates verified manufacturer and distributor information, verified pricing, package data, and practical selection guidance. It also distinguishes a genuine drop-in alternative from parts that merely use a similar controller or require a footprint, memory, voltage, or peripheral-function change.

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ATMEGA88P-20AU - 8-bit AVR MCU 20MHz 8KB Flash TQFP-32 | Microchip
ATMEGA88P-20AU

ATMEGA88P-20AU - 8-bit AVR MCU 20MHz 8KB Flash TQFP-32 | Microchip

The Microchip Technology ATMEGA88P-20AU is an 8-bit AVR RISC microcontroller executing up to 20 MIPS at 20 MHz, with 8 KB ISP Flash (4K x 16), 512 B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines and 8 channels of 10-bit ADC, packaged in a 32-pin TQFP (7 x 7 mm, 0.8 mm pitch). An 8-bit AVR microcontroller is a Harvard-architecture RISC processor in the broader hierarchy of MCU -> embedded processor -> system-on-chip building blocks. The AVR family is renowned for single-cycle instruction execution, letting most of its 131 instructions complete in one clock cycle and giving predictable, deterministic timing for real-time embedded control. Key features include picoPower technology with multiple sleep modes for microamp-level standby current, a 6-channel or 8-channel 10-bit ADC with sample rates up to 15 kSPS, three flexible timers (two 8-bit, one 16-bit with compare modes), and both USART and two-wire I2C (TWI) interfaces for connectivity. Technically, the ATmega88P uses an advanced RISC core with 32 general-purpose working registers directly connected to the ALU, enabling C-friendly code density in small memory. debugWIRE provides on-chip debugging over a single-pin interface, and In-Circuit Serial Programming (ICSP) allows field reprogramming of the Flash with read-while-write support. Typical applications include industrial sensor nodes and motor control (leveraging the ADC and timers), consumer appliances and battery-powered devices (picoPower sleep modes), and hobby/Arduino-class embedded designs needing a low-cost, well-documented AVR. Design-wise, remember the ADC needs AVCC within 0.3 V of VCC and a stable reference; use a decoupled AVCC pin and a low-noise 2.56 V internal or external AREF for best 10-bit accuracy. This page adds distributor pricing, verified drop-in alternatives, pinout, and hands-on design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-19.

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ATMEGA88P-20AUR - 8-bit AVR MCU 20MHz 8KB Flash | Microchip
ATMEGA88P-20AUR

ATMEGA88P-20AUR - 8-bit AVR MCU 20MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA88P-20AUR is a picoPower 8-bit AVR RISC microcontroller delivering up to 20 MIPS throughput at 20 MHz, with 8 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, and 23 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm) package. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 131 instructions in a single clock cycle, positioning it in the embedded control hierarchy as an MCU -> 8-bit microcontroller -> AVR ATmega family member -> semiconductor integrated circuit. It integrates program memory, data memory, timers, ADC, and serial peripherals on one die, replacing multi-chip solutions in cost-sensitive control systems. Key features include 20 MHz maximum clock speed (5V operation), a 10-bit 8-channel ADC, picoPower technology for ultra-low sleep-mode consumption, debugWIRE on-chip debugging over the reset line, and 2.7V to 5.5V supply operation. Three flexible timers/counters with compare modes, plus USART, SPI, and TWI (I2C) interfaces, cover most embedded communication needs. Architecturally, the device pairs 32 general-purpose working registers directly with the ALU, avoiding the accumulator bottleneck of classic 8051-style cores. Read-while-write Flash enables self-programming bootloaders, while in-system programmable (ISP) memory supports field firmware updates without removing the chip from the PCB. Typical applications include industrial sensor nodes and motor control, home automation and IoT end nodes, and consumer appliances requiring precise analog measurement via the 8-channel 10-bit ADC at low cost. For design, note that maximum clock frequency derates with supply voltage: 20 MHz is only guaranteed at 4.5V-5.5V, so 3.3V systems must limit operation to roughly 13.3 MHz or accept overclocking risk. This page synthesizes distributor pricing, drop-in alternatives within the ATmega family, pinout data, and practical design notes beyond what a single datasheet page offers.

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ATMEGA88PA-15MZ - 8KB AVR MCU 16MHz 32-QFN | Microchip
ATMEGA88PA-15MZ

ATMEGA88PA-15MZ - 8KB AVR MCU 16MHz 32-QFN | Microchip

The Microchip Technology ATMEGA88PA-15MZ is an 8-bit AVR RISC microcontroller with 8KB ISP Flash memory, 1KB SRAM, 512B EEPROM, and 23 general-purpose I/O lines, operating at up to 16MHz from a 1.8V to 5.5V supply in a 32-pad QFN (5x5 mm, MLF) exposed-pad package. This picoPower ATmega88PA variant is automotive qualified and rated for -40C to +125C operation. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, ADCs, and serial interfaces. Within the power management of embedded systems hierarchy, the MCU sits at the top of the control stack, executing firmware that coordinates sensors, actuators, and communication links. The AVR family, originally developed by Atmel and now part of Microchip Technology, is widely used in industrial control, consumer appliances, and automotive body electronics. Key features include the Advanced RISC architecture with 131 powerful instructions, most executing in a single clock cycle; 8KB of self-programmable Flash with read-while-write support; an internal RC oscillator that removes the need for an external crystal in many designs; and picoPower technology that cuts power consumption in sleep modes to microamp levels. Peripherals include an 8-channel 10-bit ADC, two 8-bit and one 16-bit timer with PWM, USI-compatible SPI and I2C, and a full-duplex USART. Technically, the AVR core uses a Harvard architecture with 32 general-purpose working registers directly connected to the ALU, achieving up to 16 MIPS throughput at 16MHz. The ATMEGA88PA picoPower revision reduces dynamic current consumption versus the base ATmega88 while preserving full code compatibility, so firmware written for ATmega88 or ATmega168 runs without modification within the respective memory limits. Typical applications include automotive body modules (door controllers, lighting, sensor nodes), industrial sensor and actuator control, and battery-powered consumer devices where the picoPower sleep modes extend battery life. The 32-QFN package suits compact, space-constrained boards. When designing with this part, provide a solid ground plane under the exposed pad and decouple both VCC and AVCC pins; the internal 8MHz RC oscillator tolerates most general-purpose timing, but use an external crystal for UART at 115200 baud or precise timing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PA-ANR - 8-Bit AVR MCU 8KB Flash 20MHz TQFP-32 | Microchip
ATMEGA88PA-ANR

ATMEGA88PA-ANR - 8-Bit AVR MCU 8KB Flash 20MHz TQFP-32 | Microchip

The Microchip Technology ATMEGA88PA-ANR is an 8-bit AVR RISC picoPower microcontroller with 8 KB ISP Flash memory, 1 KB SRAM, and 512 B EEPROM, operating at up to 20 MHz in a 32-pin TQFP (7x7 mm, 0.8 mm pitch) package. It integrates 23 general purpose I/O lines, three flexible timer/counters with compare modes, internal and external interrupt sources, a 6-channel 10-bit ADC, a programmable watchdog timer, and a serial USART, along with SPI and I2C-capable TWI serial interfaces. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most of its 131 powerful instructions in a single clock cycle, combining a compact instruction set with high code density. In the embedded systems hierarchy, the ATmega88PA sits within the ATmega family of flash-based microcontrollers used for cost-sensitive control tasks, positioned between the smaller ATmega48 and the larger ATmega168 within the same pin-compatible product family. Key features include up to 20 MIPS throughput at 20 MHz, picoPower technology for sub-microamp power-down currents, 1.8 V to 5.5 V wide supply operation, and byte-oriented Flash with read-while-write capability for in-system self-programming. The PA suffix denotes the picoPower-enhanced generation, improving energy efficiency for battery-powered designs. Architecturally, the device pairs 32 x 8 general purpose working registers with an ALU directly connected to the register file, eliminating the access bottleneck typical of accumulator-based architectures. Fully static operation allows clocking down to DC for extreme low-power operation. Typical applications include industrial sensor nodes, motor control and lighting systems, home automation, and battery-powered consumer products where the wide 1.8-5.5 V supply and picoPower sleep modes reduce system energy budgets. When designing with this MCU, budget the 20 MHz maximum clock against supply voltage and use brown-out detection for reliable Flash operation below 1.8 V tolerance margins. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PA-AU - 8-bit 20MHz 8KB Flash MCU | Microchip
ATMEGA88PA-AU

ATMEGA88PA-AU - 8-bit 20MHz 8KB Flash MCU | Microchip

The Microchip Technology ATMEGA88PA-AU is an 8-bit AVR RISC picoPower microcontroller delivering 20 MHz maximum clock frequency, 8 KB of ISP Flash memory, and 23 general-purpose I/O lines in a 32-pin TQFP (7x7 mm, 0.8 mm pitch) package. It operates from a single 1.8V to 5.5V supply, integrating 512 B EEPROM, 1 KB SRAM, and 32 general-purpose working registers. A microcontroller unit (MCU) is a complete computing system on a single chip, combining a processor core, program memory, data memory, and peripherals. Within the power-management hierarchy of embedded systems, an MCU such as the ATmega88PA sits at the control layer, executing firmware that reads sensors, drives actuators, and communicates over serial buses. The AVR architecture, with its Harvard structure and single-cycle instruction execution, is a widely adopted 8-bit MCU family alongside Microchip's PIC and competitors such as the ST STM8. Key differentiating features include the picoPower technology for ultra-low sleep currents, read-while-write Flash for in-system self-programming, three flexible timer/counters with compare modes, a 10-bit ADC with 8 multiplexed channels, and both I2C-compatible TWI and SPI serial interfaces. A programmable serial USART supports robust asynchronous communication at up to 20 MHz system clocks. Technically, the AVR core executes most of its 130 instructions in a single clock cycle, achieving throughputs close to 1 MIPS per MHz. This allows designers to run at lower clock frequencies to cut power while maintaining real-time performance. Six sleep modes, including Power-down at sub-uA levels, let firmware trade responsiveness against battery drain precisely. Typical applications include consumer appliance control panels, battery-powered sensor nodes, industrial button-and-display interfaces, and motor-controlled small systems where the ATmega88PA replaces legacy ATmega8 designs without PCB changes. For design, remember that full 20 MHz operation requires a 4.5V to 5.5V supply, while the maximum clock at 1.8V is approximately 4 MHz per the frequency-voltage curve in the manufacturer datasheet. This page synthesizes drop-in alternatives, application guidance, and distributor data points not consolidated in the manufacturer datasheet.

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ATMEGA88PA-AUR - AVR 8-Bit MCU 20MHz 8KB Flash TQFP-32 | Microchip
ATMEGA88PA-AUR

ATMEGA88PA-AUR - AVR 8-Bit MCU 20MHz 8KB Flash TQFP-32 | Microchip

The Microchip Technology ATMEGA88PA-AUR is an 8-bit AVR RISC picoPower microcontroller running at up to 20 MHz with 8 KB ISP Flash, 512 B EEPROM, and 1 KB SRAM, housed in a 32-pin TQFP (7x7 mm) package. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single chip, sitting at the heart of embedded systems within the broader hierarchy of semiconductor devices (integrated circuit -> microcontroller -> 8-bit AVR family). The AVR architecture executes most of its 130 instructions in a single clock cycle through its advanced RISC pipeline and 32 general-purpose working registers, delivering up to 20 MIPS at 20 MHz. Key features include the picoPower technology for ultra-low sleep-mode consumption, in-system self-programmable Flash with read-while-write support, a 10-bit ADC with 8 multiplexed channels, and serial peripherals including SPI, TWI (I2C-compatible), and USART. Three flexible timers/counters with compare modes and PWM outputs round out the peripheral set. The ATMEGA88PA-AUR operates from 1.8 V to 5.5 V across the full speed range, with the A-suffix industrial temperature grade of -40C to +85C. The picoPower process reduces power in idle, power-down, and power-save modes, making it suitable for battery-powered designs. Typical applications include consumer appliances, industrial sensing nodes, battery-powered meters, motor control, and hobby/embedded prototypes such as Arduino-compatible boards. Designers should note the 8 KB Flash limit (4K x 16 words): choose the ATMEGA168PA or ATMEGA328P pin-compatible parts when code size is expected to grow. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and design notes not found in the manufacturer datasheet.

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ATMEGA88PA-CCU - 8KB Flash AVR MCU, 32-UFBGA | Microchip
ATMEGA88PA-CCU

ATMEGA88PA-CCU - 8KB Flash AVR MCU, 32-UFBGA | Microchip

The Microchip Technology (Atmel) ATMEGA88PA-CCU is a picoPower AVR 8-bit RISC microcontroller with 8 KB of ISP Flash memory, 1 KB of SRAM, and 512 B of EEPROM, operating at up to 20 MHz from a 1.8V to 5.5V supply in a 32-ball UFBGA (4x4 mm) package. A microcontroller (MCU) integrates a processor core, program memory, data memory, and peripherals onto a single silicon die, forming the smallest self-contained computing element in an embedded system hierarchy: 8-bit AVR core -> Atmel/Microchip ATmega family -> general-purpose microcontroller -> embedded processing IC. The AVR architecture uses a load/store Harvard design with 131 mostly single-cycle instructions and 32 general-purpose working registers. Key features of the ATMEGA88PA-CCU include the picoPower technology set (idle, ADC noise reduction, power-save, power-down, and standby sleep modes), a 10-bit ADC with up to 8 multiplexed single-ended channels, two 8-bit timers and one 16-bit timer, a 6-channel PWM engine, a hardware USART, a two-wire serial interface (TWI/I2C-compatible), and an SPI serial port. The enhanced Flash supports read-while-write in-system self-programming, and in-circuit debugging/programming is available via the debugWIRE interface on the reset line. The picoPower process and power management profile make the CCU variant attractive where board area is the constraint: the 4x4 mm UFBGA ball grid array frees layout area versus the 7x7 mm TQFP footprint of the AU/AT variants, at the cost of more demanding assembly and rework procedures. Typical applications include battery-powered sensors and IoT nodes, hand-held instruments, consumer appliance control, and compact mixed-signal designs that need a small-footprint 8-bit MCU with ADC and serial interfaces. When designing with this device, note that BGA packages require X-ray inspection capability and cannot be hand-reworked; ensure your assembly partner supports 0.5 mm-pitch or similar fine-pitch BGA processes and that the PCB stack-up supports via-in-pad or dog-bone fanout. This page synthesizes distributor pricing context, drop-in alternative analysis, practical design notes, and package trade-off guidance not consolidated in the manufacturer datasheet.

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ATMEGA88PA-CCUR - AVR 8-Bit MCU 20MHz 8KB Flash | Microchip
ATMEGA88PA-CCUR

ATMEGA88PA-CCUR - AVR 8-Bit MCU 20MHz 8KB Flash | Microchip

The Microchip (Atmel) ATMEGA88PA-CCUR is an 8-bit AVR RISC microcontroller delivering 20 MHz maximum clock frequency, 8 KB (4K x 16) of In-System Programmable FLASH, and 23 programmable I/O lines, housed in a 32-ball UFBGA (4x4 mm) package supplied on tape and reel. An 8-bit microcontroller (MCU) is a single integrated circuit that contains a processor core, memory, and programmable peripherals, forming the lowest tier of the embedded processor hierarchy (MCU -> embedded processor -> system-on-chip -> application processor). The AVR ATmega family from Microchip uses an advanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle, achieving up to 20 MIPS throughput at 20 MHz. Key features include the picoPower technology of the PA suffix, which reduces power consumption in active and sleep modes; 1 KB of internal SRAM; 512 bytes of EEPROM for non-volatile data storage; and a two-wire serial interface (I2C-compatible), SPI, and USART for connectivity. The device supports In-System Programming (ISP) and in-circuit debugging via the debugWIRE interface using tools such as the MPLAB SNAP. Architecturally, the ATmega88PA combines a Harvard-structure 8-bit RISC core with separate program and data buses, hardware multiplier, and three flexible timer/counters with compare modes. An 8-channel 10-bit ADC provides analog acquisition capability, while internal calibrated RC oscillator options reduce external component count. Typical applications include portable and battery-powered consumer devices, industrial sensor nodes, HVAC and lighting control, and compact space-constrained designs where the 4x4 mm UFBGA ball-grid package provides significant board-area savings over TQFP/QFN alternatives. Design consideration: the UFBGA package requires precise PCB footprint design and reflow soldering; ball pitch and land pattern per the manufacturer datasheet must be followed, and X-ray or acoustic inspection is recommended for BGA solder-joint verification. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical UFBGA design guidance not consolidated in the manufacturer datasheet.

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ATMEGA88PA-MMHR - 8-bit AVR MCU 20MHz 8KB Flash 28-VQFN | Microchip
ATMEGA88PA-MMHR

ATMEGA88PA-MMHR - 8-bit AVR MCU 20MHz 8KB Flash 28-VQFN | Microchip

The Microchip Technology ATMEGA88PA-MMHR is a high-performance, low-power 8-bit AVR RISC microcontroller with 8 KB ISP Flash memory (4K x 16), 512 B EEPROM, and 1 KB SRAM, executing at up to 20 MHz and packaged in a 28-pad VQFN (4x4 mm) with exposed pad, supplied on tape and reel. A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals into one chip, forming the lowest tier of the embedded-processing hierarchy (MCU -> system-on-chip -> application processor -> computing platform). The AVR family popularized the Harvard-architecture 8-bit RISC MCU, and the ATmega88 line sits in the mid-range ATmega segment, sitting below the ATmega328P used in Arduino boards and above the ATtiny series. Key features include the picoPower technology suite for sub-uA sleep currents, 23 general-purpose I/O lines, three flexible timer/counters with compare modes, a 10-bit 8-channel ADC, and both TWI (I2C-compatible) and SPI serial interfaces. The 130-instruction AVR RISC core executes most single-clock instructions, delivering up to 20 MIPS at 20 MHz with 32 general-purpose working registers directly connected to the ALU. The PA suffix denotes the picoPower generation: it improves on the ATMEGA88A with lower power consumption across all sleep modes, supporting battery-powered and energy-harvesting designs. In-System Programmable (ISP) Flash with read-while-write support, plus debugWIRE on-chip debugging through the RESET line, simplify firmware updates and production programming using tools such as the MPLAB SNAP. Typical applications include consumer appliances, HVAC and building automation nodes, battery-powered sensor end-points, small motor-control and LED-lighting controllers, and general embedded products that need a proven, low-cost 8-bit platform. Design consideration: verify the supply-voltage-to-frequency derating - full 20 MHz operation requires a 4.5 V to 5.5 V supply, while 1.8 V operation limits the clock to 4 MHz per the AVR speed grade. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet, providing buyers and engineers a single citable reference for the ATMEGA88PA-MMHR.

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ATMEGA88PA-MMN - 8KB Flash 20MHz AVR MCU | Microchip
ATMEGA88PA-MMN

ATMEGA88PA-MMN - 8KB Flash 20MHz AVR MCU | Microchip

The Microchip ATMEGA88PA-MMN is a picoPower 8-bit AVR RISC microcontroller with 8KB ISP Flash, 512B EEPROM, 1KB SRAM, 23 general-purpose I/O lines and a maximum clock of 20 MHz, housed in a 28-pin VQFN (4x4 mm) package with exposed pad. An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle. Within the power-management hierarchy of embedded systems, it serves as the central control IC, integrating program memory, data memory, timers, communication peripherals and a 10-bit ADC on one die, replacing multi-chip discrete solutions. Key features include the AVR advanced RISC architecture with 130 powerful instructions and 32 general-purpose working registers, three flexible timer/counters with compare modes, byte-oriented Two-Wire Interface (I2C-compatible), an SPI serial interface, a programmable USART, and an internal calibrated RC oscillator. The picoPower technology delivers very low power consumption in sleep modes, making it suitable for battery-operated designs. The ATMEGA88PA-MMN combines self-programmable Flash with read-while-write capability and true ISP (In-System Programmability), allowing firmware updates over SPI via tools such as ISP programmers and debugWIRE. The 10-bit ADC provides up to 6 multiplexed single-ended input channels, supporting sensor interfacing directly without external converters. Typical applications include industrial control and automation nodes, consumer appliance controllers, sensor acquisition systems, and battery-powered portable devices where the 4x4 mm VQFN footprint conserves board space. The wide operating voltage range of 2.5V/3.3V/5V class designs simplifies reuse across power architectures. Design consideration: the maximum 20 MHz clock is only achievable at 4.5V to 5.5V supply; derate the clock frequency at lower operating voltages per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA88PA-MNR - 8KB AVR MCU 20MHz VQFN-32 | Microchip
ATMEGA88PA-MNR

ATMEGA88PA-MNR - 8KB AVR MCU 20MHz VQFN-32 | Microchip

The Microchip Technology ATMEGA88PA-MNR is an 8-bit AVR RISC picoPower microcontroller with 8 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines, and a maximum clock frequency of 20 MHz, housed in a 32-pin VQFN (5x5 mm) surface-mount package supplied on tape and reel. An 8-bit microcontroller (MCU) is an integrated circuit that combines a processor core, memory, and peripherals such as timers, UART, SPI, and I2C on a single chip, forming the lowest tier of the embedded-processing hierarchy that ascends through 16-bit and 32-bit MCUs to microprocessors and systems-on-chip. The AVR architecture executes most instructions in a single clock cycle through its Harvard-architecture, single-cycle RISC core with 32 general-purpose working registers, delivering high code efficiency for embedded control tasks. Key features of the ATMEGA88PA-MNR include two 8-bit timers and one 16-bit timer, a 10-bit ADC with 6 multiplexed external channels plus internal temperature sensor, a programmable serial USART, SPI and I2C (Two-Wire Interface) serial ports, an analog comparator, and in-system programmable (ISP) Flash with read-while-write capability. The picoPower technology family supports multiple sleep modes that reduce power consumption to sub-uA levels in standby, making the PA 'picoPower A' grade preferable to the older ATmega88 for battery designs. The device operates from 2.5 V to 5.5 V (per the FindIC listing of 2.5V/3.3V/5V operation) and across a temperature range of -40C to +105C per the Mouser listing, suiting industrial environments above the standard 85C ceiling. The 131-instruction AVR RISC core achieves up to 20 MIPS throughput at 20 MHz. Typical applications include industrial sensor nodes, battery-powered consumer products, motor and LED control, and communication interface bridges where a low-cost, low-power 8-bit controller is sufficient. For design, exploit the picoPower sleep modes and disable unused clock domains to minimize average current; verify Flash size headroom (8 KB) before migrating code from ATmega48 (4 KB) variants. This page synthesizes distributor pricing context, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PA-MU - 8-Bit AVR MCU 20MHz 8KB Flash | Microchip
ATMEGA88PA-MU

ATMEGA88PA-MU - 8-Bit AVR MCU 20MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA88PA-MU is an 8-bit AVR RISC picoPower microcontroller running at up to 20 MHz with 8 KB of in-system-programmable Flash (4K x 16), 512 B EEPROM, and 1 KB SRAM, housed in a 32-pin VQFN (5x5 mm) surface-mount package. It operates from a single 1.8 V to 5.5 V supply. An 8-bit microcontroller (MCU) is a complete computer-on-a-chip that integrates a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and ADCs on a single die. MCUs sit at the lowest tier of the embedded processing hierarchy - below application processors and SoCs - and are the standard choice for cost- and power-sensitive control tasks in embedded systems. Key features of the ATMEGA88PA include the advanced AVR RISC architecture executing most instructions in a single clock cycle (130 powerful instructions), the picoPower technology for microamp-level sleep currents, and 23 general-purpose I/O lines. The core provides 32 general-purpose working registers and three flexible timer/counters with compare modes, plus internal and external interrupt sources. Technical depth comes from the Harvard architecture separating program and data buses, read-while-write Flash for self-programming, and a rich peripheral set including a 10-bit ADC, SPI, two-wire interface (I2C-compatible), and USART. The PA suffix denotes the picoPower revision with improved efficiency over the original ATmega88, and debugWIRE supports single-wire in-circuit debugging and ICSP programming. Typical applications include industrial sensor nodes, consumer appliance control boards, battery-powered metering devices, and hobby/embedded products where 8 KB of Flash and 20 MHz throughput are sufficient. Its 1.8 V operation directly supports two-cell battery designs. A key design consideration: the VQFN-32 exposed-pad package needs a solid ground-plane via array on the center pad for both thermal relief and reliable solder joints during reflow. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PA-MUR - 8-bit AVR MCU 8KB Flash 20MHz QFN-32 | Microchip
ATMEGA88PA-MUR

ATMEGA88PA-MUR - 8-bit AVR MCU 8KB Flash 20MHz QFN-32 | Microchip

The Microchip Technology ATMEGA88PA-MUR is an 8-bit AVR RISC picoPower microcontroller with 8 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, and a 20 MHz maximum clock, housed in a 32-pad VQFN (MLF) 5x5 mm surface-mount package. An 8-bit AVR microcontroller is a single-chip computer that executes the Advanced RISC architecture, in which most of the 130 instructions complete in a single clock cycle, giving roughly 1 MIPS per MHz of performance. MCUs of this class sit at the low end of the microcontroller hierarchy, below 32-bit ARM devices, and are widely used where cost, power consumption, and code density matter more than raw processing throughput. Key features include 23 programmable general-purpose I/O lines, 32 general-purpose working registers, an 8-channel 10-bit ADC (8 single-ended channels or differential pairs with programmable gain), three flexible timer/counters with compare and PWM modes, and serial peripherals including USART, SPI, and TWI (I2C). The picoPower technology delivers low sleep-mode currents, down to sub-uA levels in power-down mode with RTC running from a 32 kHz watch crystal. Technical depth: the ATmega88PA is the picoPower-enhanced revision of the ATmega88 core, rated from 1.8 V to 5.5 V supply. It supports two on-chip oscillators (8 MHz RC and 128 kHz RC) plus an external crystal option, brown-out detection, watchdog timer, six sleep modes, and debugWIRE single-wire on-chip debugging. Program memory is ISP-flash with read-while-write capability, and the device can be self-programmed for bootloader applications. Typical applications include battery-powered sensor nodes, industrial control and motor supervision, HVAC and appliance control, and hobby/embedded products such as Arduino-compatible boards. The wide 1.8 V to 5.5 V range allows direct battery or 5 V rail operation. Design consideration: the QFN package requires an exposed die pad that must be soldered to a ground array for reliability; use via stitching under the pad for the best thermal and solder joint quality. This page synthesizes verified distributor data, drop-in alternatives, application notes, and design guidance not found in a single manufacturer datasheet.

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ATMEGA88PA-PN - 8KB AVR MCU 20MHz 28-PDIP | Microchip
ATMEGA88PA-PN

ATMEGA88PA-PN - 8KB AVR MCU 20MHz 28-PDIP | Microchip

The Microchip Technology ATMEGA88PA-PN is a picoPower 8-bit AVR RISC microcontroller with 8KB ISP FLASH, 512B EEPROM, 1KB SRAM, and a maximum clock frequency of 20 MHz, housed in a 28-pin PDIP (0.300 inch, 7.62 mm) through-hole package. It operates from 1.8V to 5.5V and across -40C to +105C. An 8-bit microcontroller is a self-contained computing IC that executes program code from embedded flash memory and communicates with the outside world through GPIO, timers, and serial peripherals. The ATmega family sits in the broader taxonomy of microcontrollers, itself a subset of embedded processors within the semiconductor industry. The ATmega88PA belongs to the ATmega88/168/328 pin-compatible family, meaning designs can scale memory without changing the PCB footprint. Key features include 23 programmable I/O lines, 32 general-purpose 8-bit registers, and three flexible timer/counters with compare modes. Peripherals include a 6-channel 10-bit ADC, a USART serial port, a 2-wire I2C-compatible TWI interface, and a 4-channel 10-bit PWM-capable timer system. The picoPower technology delivers multiple sleep modes, including power-down mode for battery applications. Architecturally, the AVR uses a Harvard structure with single-cycle instruction execution for most of its 130 instructions, achieving up to 20 MIPS at 20 MHz when running from 5V. In-system programmable (ISP) FLASH with read-while-write support, plus debugWIRE on-chip debugging through the reset pin via the AVR debugger ecosystem, simplify firmware development. Typical applications include hobby and educational embedded boards, industrial sensor nodes, LED and relay control, small motor controllers, and legacy PDIP socket upgrades where surface-mount migration is not desired. For design, note that at 20 MHz operation the datasheet speed grade applies across the full 4.5V-5.5V range; below 5.5V the safe maximum frequency decreases. Decouple VCC and AVCC with 100 nF ceramics and tie AVCC to VCC through a low-pass filter for ADC accuracy. This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in alternative analysis, per-pin pinout, and practical design guidance in one AI-citable reference.

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ATMEGA88PA-PU - 8KB Flash 20MHz AVR MCU DIP-28 | Microchip
ATMEGA88PA-PU

ATMEGA88PA-PU - 8KB Flash 20MHz AVR MCU DIP-28 | Microchip

The Microchip Technology ATMEGA88PA-PU is an 8-bit AVR RISC microcontroller with 8 KB ISP FLASH memory, 512 B EEPROM, 1 KB SRAM, and a maximum clock speed of 20 MHz, housed in a 28-pin PDIP (DIP-28) through-hole package. A microcontroller unit (MCU) integrates a processor core, memory, and programmable peripherals on a single chip, sitting at the heart of embedded systems. The AVR family popularized the modified Harvard 8-bit RISC architecture, where most of its 130 instructions execute in a single clock cycle, and 32 general-purpose working registers are directly connected to the ALU. MCUs like the ATmega88PA are the entry point of the power management and control hierarchy in products ranging from appliances to industrial sensors. Key features of the ATMEGA88PA include the picoPower technology for ultra-low sleep-mode consumption, 23 general-purpose I/O lines, a 6-channel 10-bit ADC, and operation from 1.8V to 5.5V. Three flexible 16-bit and 8-bit timers with compare modes, a programmable serial USART, and a byte-oriented Two-Wire Interface (I2C-compatible) round out the peripheral set. Technically, the device offers In-System Programmable (ISP) FLASH with read-while-write capability, a separate boot loader section for self-programming, and an internal calibrated RC oscillator that removes the need for an external crystal in many designs. Debugging and programming use the industry-standard SPI interface via ICSP, compatible with tools such as AVRISP mkII and Arduino-style programmers. Typical applications include home appliance control, industrial sensor nodes, battery-powered instrumentation, hobby and education platforms, and motor control tasks where 20 MHz throughput and 8 KB of code space are sufficient. Design consideration: when running at 5V the device supports the full 20 MHz rating, but at 1.8V the maximum safe clock is limited to approximately 4 MHz per the datasheet frequency-voltage curve, so verify your voltage-clock operating point early. This page adds value beyond the datasheet by synthesizing distributor pricing tiers, verified drop-in alternatives within the ATmega 28-pin family, and practical design notes for through-hole prototyping.

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ATMEGA88PB-AN - 8KB AVR MCU 20MHz TQFP-32 | Microchip
ATMEGA88PB-AN

ATMEGA88PB-AN - 8KB AVR MCU 20MHz TQFP-32 | Microchip

The Microchip Technology ATMEGA88PB-AN is an 8-bit AVR RISC microcontroller executing up to 20 MIPS at 20 MHz, with 8 KB ISP Flash (4K x 16), 512 B EEPROM, 1 KB SRAM, and 27 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm, AN) package. An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory, data memory, and peripherals such as timers, UARTs, and ADCs on one die. Within the semiconductor hierarchy it belongs to the embedded processor family: microcontroller -> embedded MCU -> semiconductor integrated circuit. AVR is the classic Harvard-architecture RISC family originally developed by Atmel, now part of Microchip Technology, and the ATmega line is its mid-range tier between the ATtiny and the higher-memory ATmega328/644 series. Key features include Microchip picoPower technology for sub-uA sleep currents, a USART with wake-up on start condition, three flexible timer/counters with compare modes, a 10-bit ADC with internal 1.1V/2.56V references, a byte-oriented two-wire interface (TWI/I2C), SPI, and an analog comparator. Functional Safety (FuSa) documentation support is available, and the device is rated to 105C ambient (Mouser: TQFP, 105C, GREEN). The AVR core executes most instructions in a single clock cycle through a two-stage pipeline with 32 general-purpose working registers, giving deterministic timing valued in industrial control. Read-while-write Flash allows the self-programming bootloader to run while erasing or writing program memory. Typical applications include industrial sensor nodes, consumer appliance controls, battery-powered meters, HVAC controls, and general embedded control boards where the ATmega88 family is a de-facto standard, including Arduino-compatible designs. Design-wise, keep VCC and AVCC decoupled with 100 nF ceramics close to pins 4/6 and 18, and plan the pin 29 RESET pin for ISP programming via the 6-pin ICSP header supported by MPLAB SNAP or PICkit programmers. This page synthesizes distributor pricing, same-brand drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PB-ANR - 8-Bit AVR MCU 8KB Flash 20MHz | Microchip
ATMEGA88PB-ANR

ATMEGA88PB-ANR - 8-Bit AVR MCU 8KB Flash 20MHz | Microchip

The Microchip Technology ATMEGA88PB-ANR is an 8-bit AVR RISC microcontroller with 8 KB of ISP Flash memory, 512 B EEPROM, 1 KB SRAM, and 27 general-purpose I/O lines, operating at up to 20 MHz and housed in a 32-pin TQFP (7x7 mm) package. It is part of the ATmega88PB family built on Microchip's picoPower technology for low-power embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (SRAM), non-volatile storage (EEPROM), and peripherals such as timers, serial interfaces, and analog-to-digital converters on one die. Within the product hierarchy, the ATmega88PB sits under AVR 8-bit MCUs, which belong to the broader microcontroller category, itself a subset of embedded processors and semiconductor integrated circuits. The AVR core uses a RISC architecture with 32 general-purpose working registers and single-cycle execution for most instructions, delivering near 1 MIPS per MHz throughput. Key features include 8 KB ISP Flash with read-while-write capability, 512 B EEPROM for parameter storage, 1 KB SRAM, three flexible timer/counters with compare modes, a USART with wake-up on start of transmission, an SPI interface, a byte-oriented two-wire serial interface (I2C), and a 10-bit ADC. The device supports internal and external interrupts and offers 27 programmable I/O lines for flexible peripheral expansion. The ATmega88PB uses Microchip's picoPower technology, which reduces active and standby current consumption for battery-powered and energy-harvesting applications. The 20 MHz maximum clock supports real-time control loops, while the 32-TQFP (7x7 mm) package balances pin count and board area for space-constrained designs. The -ANR suffix denotes a tape-and-reel, 105 C industrial temperature grade, green/RoHS-compliant variant. Typical applications include industrial control and automation, consumer electronics, battery-powered portable devices, sensor nodes, motor control, and human-machine interface panels. The integrated ADC and multiple serial interfaces make it suitable for data acquisition and communication gateways. When designing with the ATMEGA88PB-ANR, decouple VCC and AVCC with 100 nF ceramic capacitors placed close to the pins, and use a stable clock source for timing-critical applications. The device is supported by Microchip Studio and the AVR GCC toolchain. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.

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ATMEGA88PB-AU - 8-Bit AVR MCU 20MHz 8KB Flash | Microchip
ATMEGA88PB-AU

ATMEGA88PB-AU - 8-Bit AVR MCU 20MHz 8KB Flash | Microchip

The Microchip Technology ATMEGA88PB-AU is a low-power 8-bit AVR RISC microcontroller executing up to 20 MHz with 8 KB ISP Flash memory (4K x 16), 512 B EEPROM, 1 KB SRAM, and 27 general-purpose I/O lines, housed in a 32-pin TQFP (7x7 mm) package. An 8-bit microcontroller is a single-chip computer whose CPU processes data in 8-bit words, combining a processor core, memory, and peripherals such as timers and serial interfaces in one integrated circuit. Within the embedded systems hierarchy, the ATmega88PB sits in Microchip's AVR ATmega family of flash-based MCUs, part of the broader category of microcontroller units (MCUs) used for embedded control, sensing, and connectivity tasks. The AVR enhanced RISC architecture executes most instructions in a single clock cycle, achieving throughputs approaching 1 MIPS per MHz. Key features include picoPower technology for ultra-low sleep-mode consumption, read-while-write Flash for in-system self-programming, 32 general-purpose working registers, and three flexible timer/counters with compare modes. Peripherals further include a USART with start-of-frame wake-up, a byte-oriented two-wire interface (I2C-compatible), an SPI serial port, a 10-bit ADC, an analog comparator, and internal plus external interrupt sources. Technically, the device is a low-power CMOS design in Microchip's AVR core, qualified as a Functional Safety (FuSa) part per DigiKey categorization, and operates over the industrial temperature range in a Green (halogen-free, RoHS-compliant) TQFP package. Debugging and In-Circuit Serial Programming (ICSP) are supported through the MPLAB SNAP tool via two I/O pins and the reset line, reducing design overhead. Typical applications include industrial sensor nodes, consumer appliance control, battery-powered IoT end nodes, and motor control or lighting systems where a cost-optimized 8-bit MCU with rich analog peripherals is required. The PB variant adds improved low-power characteristics versus the earlier ATmega88PA. A key design consideration is clock selection: at 20 MHz maximum frequency, use an external crystal for timing-critical UART communication, while the internal 8 MHz RC oscillator suffices for less timing-sensitive designs. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet, delivering unique cross-reference and selection value for engineers and buyers.

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