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

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

The Microchip Technology ATMEGA88PB-AUR is an 8-bit AVR RISC microcontroller with 8 KB ISP Flash memory, 1 KB SRAM, and 512 B EEPROM, executing at up to 20 MHz in a 32-pin TQFP (7x7 mm) surface-mount package. An AVR ATmega microcontroller is a Harvard-architecture 8-bit RISC processor that executes most instructions in a single clock cycle, sitting at the entry-to-mid level of the general-purpose MCU hierarchy (MCU -> 8-bit MCU -> AVR ATmega family -> ATmega88PB). Because program Flash supports read-while-write and in-system self-programming, no external program memory is needed; firmware is updated over SPI or UART bootloaders, which is why AVR ATmega parts dominate hobby, industrial control, and low-cost embedded designs. Key features include picoPower technology for sub-uA sleep currents, 27 general-purpose I/O lines, three flexible timer/counters with compare and PWM modes, and a USART with wake-up on start of transmission. Connectivity covers I2C (TWI), SPI, and USART, supported by 10-bit ADC channels with internal and external interrupt sources. Brown-out detection and power-on reset provide robust operation on unregulated supplies. Architecturally, the ATmega88PB combines 32 general-purpose working registers directly connected to the ALU, allowing one-cycle execution and up to 20 MIPS throughput at 20 MHz. The picoPower silicon revision reduces consumption in idle, ADC noise reduction, power-save, and standby modes, making battery-powered designs practical without external power-gating circuitry. Typical applications include industrial sensor nodes, consumer appliance control, lighting and motor control interfaces, and functional-safety (FuSa) supporting designs - DigiKey classifies this part under AVR ATmega Functional Safety microcontrollers. The 20 MHz ceiling and 8 KB Flash suit cost-sensitive control tasks that do not require DSP-class throughput. When designing with the ATMEGA88PB-AUR, note the industrial temperature grade of -40C to +85C indicated by the A suffix and the T&R delivery format implied by the R suffix; plan decoupling with 100 nF ceramics at both VCC/AVCC pin pairs to keep ADC noise low. This page synthesizes distributor pricing, drop-in family alternatives (ATMEGA88PB-ANR, ATMEGA88PA-AUR, ATMEGA168PB-AU, ATMEGA328PB-AU), and practical design notes not consolidated in the manufacturer datasheet, as of 2026-09-19.

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ATMEGA88PB-MNR - 8KB AVR 20MHz MCU 32-VQFN | Microchip
ATMEGA88PB-MNR

ATMEGA88PB-MNR - 8KB AVR 20MHz MCU 32-VQFN | Microchip

The Microchip Technology ATMEGA88PB-MNR is an 8-bit AVR RISC microcontroller with 8 KB ISP Flash, 512 B EEPROM, 1 KB SRAM, 27 general-purpose I/O lines, and a 20 MHz maximum operating frequency, supplied in a 32-pin VQFN (5x5 mm) package with exposed pad and rated to 105 C ambient. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters. Within the semiconductor taxonomy, the ATmega88PB sits at MCU -> 8-bit microcontroller -> embedded processor -> integrated circuit, and it belongs to the AVR ATmega family that has been a de-facto standard for low-power embedded control since the original ATmega8. The device combines 8 KB of self-programmable Flash with read-while-write capability, 512 bytes of EEPROM for non-volatile parameter storage, and 1 KB of SRAM, all accessible through a single-cycle RISC core that executes most instructions in one clock cycle. Microchip's picoPower technology keeps active current low and enables sub-microamp sleep modes, which is why the part is widely used in battery-powered and always-on sensing products. Three flexible 16-bit timer/counters with compare and PWM modes, a USART with wake-up on start of transmission, SPI, and a byte-oriented two-wire serial interface cover the majority of embedded communication needs without external glue logic. The -MNR orderable code denotes tape-and-reel packaging, the 32-pad VFQFN (5x5 mm) body, and the extended 105 C temperature grade, making the device suitable for industrial and automotive-adjacent designs that must survive elevated ambient temperatures. The exposed-pad QFN construction provides a low thermal path to the PCB ground plane, so the part can dissipate its own heat without a heatsink in most applications. Typical applications include motor control front ends, sensor nodes, small appliance control boards, LED lighting drivers, battery chargers, and industrial I/O modules. The 27 I/O lines and 32 general-purpose working registers give firmware authors enough headroom to implement state machines, PID loops, and communication stacks in a single 8-bit core. When designing with the ATMEGA88PB-MNR, decouple every VCC pin with a 100 nF ceramic capacitor placed within a few millimetres of the pin, and connect the exposed pad to a solid ground plane with multiple vias. The internal calibrated oscillator removes the need for an external crystal in many designs, but an external 16 MHz crystal is recommended when precise UART baud rates or timer accuracy are required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet, giving engineers a single reference for selection, sourcing, and layout decisions.

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ATMEGA88PB-MUR - 8-bit AVR MCU 8KB Flash 20MHz QFN-32 | Microchip
ATMEGA88PB-MUR

ATMEGA88PB-MUR - 8-bit AVR MCU 8KB Flash 20MHz QFN-32 | Microchip

The Microchip Technology ATMEGA88PB-MUR is an 8-bit AVR RISC microcontroller with picoPower technology, combining 8 KB ISP Flash (4K x 16), 512 B EEPROM, and 1 KB SRAM, running at up to 20 MHz in a 32-pin VFQFN (5x5 mm) package with exposed pad. An 8-bit AVR microcontroller is a Harvard-architecture RISC MCU in the broader microcontroller and embedded-processor hierarchy. AVR cores execute most instructions in a single clock cycle, and ATmega-family devices integrate Flash program memory, SRAM, EEPROM, timers, and analog peripherals on a single die, serving as the main compute element in embedded control systems. Key features include 27 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, a 10-bit ADC, USART with start-of-frame wake-up, and two-wire (I2C) and SPI serial interfaces. The picoPower technology delivers low active and sleep currents for battery-operated designs, and the part is positioned for Functional Safety (FuSa) documentation support per Microchip. The advanced AVR RISC architecture achieves throughputs close to 1 MIPS per MHz, allowing a 20 MHz clock to deliver roughly 20 MIPS of processing performance. In-system programmable Flash with read-while-write support enables field firmware updates, while the debugWIRE on-chip debug interface uses only a single pin for development. Typical applications include industrial automation nodes, battery-powered sensors and IoT end devices, consumer appliance control, and motor control auxiliaries, where the combination of 8 KB Flash and low-power sleep modes fits cost- and power-sensitive designs. When designing with the QFN-32 (5x5 mm) package, connect the exposed center pad to a solid ground plane for thermal and electrical performance, and decouple VCC and AVCC with 100 nF ceramic capacitors placed close to the pins. This page synthesizes distributor pricing, drop-in ATmega-family alternatives, pinout data, and practical design notes not found on the manufacturer product page.

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ATMEGA88PV-10AU - 8KB Flash 10MHz AVR MCU | Microchip
ATMEGA88PV-10AU

ATMEGA88PV-10AU - 8KB Flash 10MHz AVR MCU | Microchip

The Microchip Technology ATMEGA88PV-10AU is a picoPower 8-bit AVR RISC microcontroller delivering 8KB (4K x 16) of self-programming ISP Flash memory, 1KB SRAM, 512B EEPROM, and up to 10 MHz operation at 1.8V to 5.5V supply, housed in a 32-pin TQFP (7x7 mm, 0.8 mm pitch) package. An 8-bit microcontroller is a single-chip processor that executes application code, manages peripherals, and interfaces with sensors and actuators on one die. Within the power-management hierarchy of an embedded system, the MCU is the top-level controller that orchestrates power sequencing, communication, and sensing, making it the central semiconductor of most embedded designs. Key features include 131 mostly single-cycle AVR instructions achieving up to 10 MIPS at 10 MHz, 23 general-purpose I/O lines, an 8-channel 10-bit ADC, a serial USART, two-wire interface (I2C), SPI, and three flexible timers/counters including one 16-bit timer. The picoPower technology provides multiple sleep modes with very low standby current, and debugWIRE enables on-chip debugging over the reset line. Architecturally, the ATmega88PV uses the AVR enhanced RISC core with 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction executed in one clock cycle. Read-while-write Flash allows program memory updates while executing, supporting boot-loader based field upgrades. Typical applications include industrial sensor nodes, consumer appliance control, battery-powered instruments, and motor control panels. The wide 1.8V to 5.5V operating range and picoPower sleep modes fit battery and energy-harvesting designs directly. Design consideration: at 5V the device tolerates higher clock rates, but at 1.8V the safe maximum frequency is substantially lower, so derate system clock versus supply voltage per the datasheet speed-grade curves. This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes beyond the manufacturer datasheet for faster engineering decisions.

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ATMEGA88PV-10MU - 8KB AVR MCU, 10MHz, 1.8-5.5V | Microchip
ATMEGA88PV-10MU

ATMEGA88PV-10MU - 8KB AVR MCU, 10MHz, 1.8-5.5V | Microchip

The Microchip Technology ATMEGA88PV-10MU is a high-performance, low-power 8-bit AVR ATmega microcontroller with 8KB of In-System Programmable FLASH (4K x 16), 512B EEPROM, 1KB SRAM, and a maximum clock speed of 10MHz, operating from a 1.8V to 5.5V supply and housed in a 32-pin VQFN (5x5 mm) package. An 8-bit microcontroller is an integrated circuit that combines a processor core, memory, and peripherals such as timers, UARTs, and ADCs on a single chip, forming the lowest tier of the embedded processing hierarchy (microcontroller -> embedded processor -> semiconductor). The AVR architecture uses a Harvard structure with 32 general-purpose working registers directly connected to the ALU, so most instructions execute in a single clock cycle, delivering up to 10 MIPS at 10MHz. Key features include 130 powerful RISC instructions, 23 programmable I/O lines, three flexible timers/counters with compare modes (two 8-bit, one 16-bit), a 10-bit ADC with 6 multiplexed channels, and I2C, SPI, and UART/USART serial interfaces. The picoPower V variant supports 1.8V operation, making it well suited to battery-powered designs. Technically, the device offers multiple sleep modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby), in-system programmability (ISP) via SPI, and on-chip debug through debugWIRE on the RESET pin. Program memory is organized with read-while-write support, and the enhanced flash endurance exceeds 10,000 write cycles, with EEPROM endurance of 100,000 cycles. Typical applications include industrial control systems, battery-powered sensor nodes, home automation, motor control, and consumer appliances where low voltage and low power are prioritized over raw clock speed. A key design consideration is clock selection: at 1.8V the device is limited to 10MHz, so choose the calibrated internal RC oscillator or a conservative external crystal and verify supply voltage across the full operating range. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, with pricing as of 2026-09-19.

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ATMEGA88PV-10MUR - 8KB AVR MCU 1.8V 10MHz QFN-32 | Microchip
ATMEGA88PV-10MUR

ATMEGA88PV-10MUR - 8KB AVR MCU 1.8V 10MHz QFN-32 | Microchip

The Microchip Technology ATMEGA88PV-10MUR is a low-power 8-bit AVR RISC microcontroller with 8KB (4K x 16) self-programming Flash memory, 512B EEPROM, 1KB SRAM, an 8-channel 10-bit ADC, and a maximum clock frequency of 10MHz, housed in a 32-pin VQFN (5x5 mm) package with exposed pad. An 8-bit microcontroller is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, executing one instruction per fetch cycle to control embedded systems. The ATmega family sits within Microchip's broader AVR product line, which is itself part of the microcontroller and embedded power-management hierarchy. These MCUs are the backbone of cost-sensitive control applications where a full application processor is unnecessary. Key features include the advanced RISC architecture with 131 powerful instructions, most of which execute in a single clock cycle, delivering up to 10 MIPS throughput at 10MHz. The wide operating voltage range of 1.8V to 5.5V supports battery-powered designs, while debugWIRE on-chip debugging reduces development cost by reusing the reset pin. The self-programming Flash enables in-system firmware updates. Technically, the device integrates a Harvard-architecture core with separate program and data buses, hardware multiplier, 24 external interrupt sources, and an analog comparator, making it efficient for real-time control loops and sensor acquisition tasks. Typical applications include consumer appliance control, industrial sensor nodes, battery-powered metering, and hobby/embedded prototyping where 1.8V operation and low cost are priorities. When designing with this MCU, remember the 10MHz speed grade restricts the safe clock at low voltages; at 1.8V the maximum frequency must be derated per the datasheet frequency-versus-voltage curve. This page synthesizes distributor pricing, drop-in same-family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88PV-10PU - AVR 8-bit MCU 8KB Flash 10MHz DIP-28 | Microchip
ATMEGA88PV-10PU

ATMEGA88PV-10PU - AVR 8-bit MCU 8KB Flash 10MHz DIP-28 | Microchip

The Microchip (Atmel) ATMEGA88PV-10PU is a picoPower AVR 8-bit RISC microcontroller with 8 KB In-System Programmable Flash, 512 B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines, and a 10 MHz maximum clock, supplied in a 28-pin PDIP package rated from 1.8 V to 5.5 V across the industrial temperature range. An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory, data memory, timers, and serial peripherals on one die. Within the power-management and embedded-systems hierarchy, it sits at the node level of a control system, executing firmware that sequences sensors, actuators, and communication links. The AVR family uses an enhanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle, giving near-MIPS-per-MHz throughput. Key features of the ATMEGA88PV-10PU include read-while-write Flash for safe in-field firmware updates, 32 general-purpose working registers directly connected to the ALU, three flexible timer/counters with compare modes, a byte-oriented Two-Wire Interface (I2C-compatible), an SPI serial port, and a programmable serial USART. The picoPower technology delivers very low sleep-mode consumption, valuable in battery-powered designs. Architecturally, the device pairs the AVR core with a Harvard memory bus, separate program and data paths, single-cycle I/O access, and an on-chip debug capability via debugWIRE. Program memory maps as 4K x 16 words, and the internal RC oscillator plus brown-out detector and watchdog reduce external component count. Typical applications include industrial sensor nodes, consumer appliance controls, motor-driven toys and hobby platforms such as Arduino-class boards, and low-cost instrumentation front ends where 5 V DIP packaging simplifies prototyping and hand assembly. Design consideration: the 10 MHz speed grade allows safe operation at the full 1.8 V to 5.5 V supply range; for 20 MHz operation you must move to the ATmega88-20 versions, which restrict supply options. This page synthesizes distributor availability, drop-in family alternatives, pinout data, and practical design notes in one place, beyond what a single datasheet page provides.

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ATMEGA88V-10AI - 8-bit AVR MCU 8KB Flash 10MHz TQFP-32 | Microchip
ATMEGA88V-10AI

ATMEGA88V-10AI - 8-bit AVR MCU 8KB Flash 10MHz TQFP-32 | Microchip

The Microchip (Atmel) ATMEGA88V-10AI is a low-power 8-bit AVR RISC microcontroller with 8KB in-system programmable Flash, 1KB SRAM, 512B EEPROM, and a 10 MHz maximum clock frequency, housed in a 32-pin TQFP (7x7 mm) package rated for industrial temperatures of -40C to +85C. An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most instructions in a single clock cycle, delivering approximately 1 MIPS per MHz of throughput. Within the power-management hierarchy of embedded systems, the ATmega88 family sits in the mid-range tier of the AVR ATmega line, above the tinyAVR parts and below the ATmega328, and integrates CPU, program memory, data memory, timers, analog-to-digital conversion, and serial peripherals on a single silicon die. Key features include 131 powerful instructions with mostly single-cycle execution, 23 general-purpose I/O lines, three flexible timer/counters with compare modes, a 10-bit 8-channel ADC, a byte-oriented Two-Wire Interface (I2C-compatible), a serial programmable USART, and an SPI interface. The picoPower-era low-power design supports 1.8V to 5.5V operation in the V-variant, enabling battery-powered designs. Technically, the ATmega88V-10AI combines the AVR enhanced RISC core with 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction. The self-programming Flash supports boot-loader-based field updates, while debugWIRE provides on-chip debugging over a single pin via the standard AVR ISP/debugWIRE toolchain in Atmel Studio / Microchip Studio. Typical applications include industrial sensor nodes, battery-powered metering, motor control with PWM timers, consumer appliance control panels, and low-cost data loggers. The wide 1.8V to 5.5V supply range directly fits two-cell battery stacks and 3.3V or 5V logic systems. Design consideration: the V speed grade limits maximum clock to 10 MHz across the full voltage range; if 20 MHz operation is required, choose the ATmega88-20AI speed grade instead, which shares the same TQFP-32 footprint. This page synthesizes distributor pricing, pin-to-pin alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA88V-10AJ - 8-Bit AVR MCU, 8KB Flash, 10MHz | Microchip
ATMEGA88V-10AJ

ATMEGA88V-10AJ - 8-Bit AVR MCU, 8KB Flash, 10MHz | Microchip

The Microchip Technology ATMEGA88V-10AJ is a low-power 8-bit AVR RISC microcontroller with 8KB ISP Flash memory, 1KB SRAM, 512B EEPROM, 23 general-purpose I/O lines, and a maximum clock speed of 10MHz at a wide 1.8V to 5.5V operating voltage, packaged in a 32-pin TQFP (7x7 mm) enclosure. A microcontroller unit (MCU) is a complete computing system on a single chip, combining a processor core, program memory, data memory, and peripherals. The ATmega88V belongs to the ATmega48/88/168 family of AVR enhanced RISC MCUs, positioned within Microchip's broader 8-bit microcontroller portfolio, a class of semiconductors that dominates cost-sensitive embedded control tasks from appliance control to sensor nodes. Key features include 131 powerful instructions, most executed in a single clock cycle, delivering up to 20 MIPS throughput in the family at 20MHz; 10MHz maximum frequency for the V (low-voltage) speed grade across 1.8V to 5.5V operation; three flexible timer/counters with compare modes; a serial programmable USART; byte-oriented Two-Wire Interface (TWI/I2C); SPI serial interface; and an 8-channel 10-bit ADC. debugWIRE on-chip debugging is supported through the RESET pin, reducing external debug circuitry. Architecturally, the device uses an advanced Harvard-structured RISC core with 32 general-purpose working registers directly connected to the ALU, allowing two independent register accesses in a single instruction. Self-programming Flash with read-while-write support enables in-system reprogramming and bootloader applications without external programmers. Typical applications include low-power battery-operated sensor nodes exploiting the 1.8V floor, industrial control panels using the USART and TWI interfaces, and consumer appliance boards leveraging the 10-bit ADC for analog sensor acquisition. When designing with this part, remember the 10MHz limit applies across the full voltage range; do not swap in a 20MHz ATmega88 variant firmware assumption without verifying clock fusing and timing loops. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet alone, all verified as of 2026-09-19.

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