ATMEGA88V-10MUR - 8KB AVR MCU 1.8-5.5V 10MHz VQFN-32 | Microchip
MPN: ATMEGA88V-10MUR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.35 | $3.35 |
| 10 | $3.02 | $30.20 |
| 100 | $2.72 | $272.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.21 | $2,210.00 |
ATMEGA88V-10MUR Overview
An 8-bit MCU is an integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, ADCs, and serial interfaces on a single chip. Within the power-management and embedded hierarchy, the ATmega88 family sits in the AVR ATmega line of microcontroller units, one level below the larger ATmega328 and one level above the ATmega48.
Key features include the advanced RISC AVR architecture with 131 mostly single-cycle instructions and 32 general-purpose working registers, three flexible timer/counters, a 10-bit ADC with 8 multiplexed channels, and byte-oriented two-wire (I2C-compatible), SPI, and UART/USART serial interfaces. A picoPower-class V variant supports full functionality down to 1.8V, while brown-out detection, power-on reset, PWM outputs, and a watchdog timer increase system robustness.
Technically, the device uses a Harvard architecture with single-level pipelining, achieving close to one MIPS per MHz. Read-while-write flash enables self-programming for bootloaders, and debugWIRE provides on-chip debug over the reset line using tools such as the MPLAB SNAP, reducing pins required for development.
Typical applications include battery-powered sensor nodes, industrial controls, consumer appliances, and lighting or motor-control subsystems where 10 MHz performance, a 10-bit ADC, and wide supply tolerance are sufficient.
Design consideration: the V-variant is limited to 10 MHz; above 5.5V the maximum safe clock is derated for low-voltage operation, so verify the frequency-versus-voltage curve in the datasheet before clocking near the limit.
This page synthesizes distributor pricing, drop-in alternatives such as the ATMEGA88PV-10MUR and ATMEGA328P-MU, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for ATMEGA88V-10MUR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATMEGA88V-10MUR (same form factor and footprint) — differing in Package, ADC Channels, Core Processor, Speed, Supply Voltage Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATMEGA88PV-10MUR
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →ATMEGA88V-10MI
✅ Drop-In✓ In Stock
$1.36 / Unit
View Datasheet →ATMEGA88PA-MU
✅ Drop-In✓ In Stock
$1.26 / Unit
View Datasheet →ATMEGA88A-MU
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
ATMEGA88-20MU
✅ Drop-In ⚠️ 参数待验证✓ In Stock
Contact for price
View Datasheet →ATMEGA328P-MU
✅ Drop-In✓ In Stock
$1.28 / Unit
View Datasheet →ATMEGA88V-10MUR Maximum Ratings & Electrical Characteristics
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 10 MHz |
| Flash Memory Size | 8 KB (4K x 16) |
| SRAM Size | 1 KB |
| EEPROM Size | 512 B |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Number of I/O | 23 |
| ADC Resolution | 10-bit |
| ADC Channels | 8 |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Package | 32-VFQFN Exposed Pad (5x5 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR), GREEN |
| External Interrupts | 24 (per Xecor comparison data) |
ATMEGA88V-10MUR Pin Configuration
| Pin 1 | PC6/RESET — Port C bit 6 or active-low Reset input (also debugWIRE) |
| Pin 2 | PD0/RXD — Port D bit 0 / USART receive |
| Pin 3 | PD1/TXD — Port D bit 1 / USART transmit |
| Pin 4 | PD2/INT0 — Port D bit 2 / External interrupt 0 |
| Pin 5 | PD3/INT1/OC2B — Port D bit 3 / External interrupt 1 / Timer2 PWM output B |
| Pin 6 | PD4/T0/XCK — Port D bit 4 / Timer0 external clock / USART external clock |
| Pin 7 | VCC — Digital supply voltage (1.8 V to 5.5 V) |
| Pin 8 | GND — Ground |
| Pin 9 | PB6/XTAL1/TOSC1 — Port B bit 6 / Crystal oscillator input / RTC oscillator input |
| Pin 10 | PB7/XTAL2/TOSC2 — Port B bit 7 / Crystal oscillator output / RTC oscillator output |
| Pin 11 | PD5/T1/OC0B — Port D bit 5 / Timer1 external clock / Timer0 PWM output B |
| Pin 12 | PD6/AIN0/OC0A — Port D bit 6 / Analog comparator positive input / Timer0 PWM output A |
| Pin 13 | PD7/AIN1/OC1A — Port D bit 7 / Analog comparator negative input / Timer1 PWM output A |
| Pin 14 | PB0/ICP1/CLKO — Port B bit 0 / Timer1 input capture / System clock output |
| Pin 15 | PB1/OC1A — Port B bit 1 / Timer1 PWM output A |
| Pin 16 | PB2/SS/OC1B — Port B bit 2 / SPI slave select / Timer1 PWM output B |
| Pin 17 | PB3/MOSI/OC2A — Port B bit 3 / SPI master output / Timer2 PWM output A |
| Pin 18 | PB4/MISO — Port B bit 4 / SPI master input |
| Pin 19 | PB5/SCK — Port B bit 5 / SPI serial clock |
| Pin 20 | AVCC — ADC supply voltage |
| Pin 21 | AREF — ADC analog reference input |
| Pin 22 | GND — Ground |
| Pin 23 | PC0/ADC0 — Port C bit 0 / ADC channel 0 |
| Pin 24 | PC1/ADC1 — Port C bit 1 / ADC channel 1 |
| Pin 25 | PC2/ADC2 — Port C bit 2 / ADC channel 2 |
| Pin 26 | PC3/ADC3 — Port C bit 3 / ADC channel 3 |
| Pin 27 | PC4/ADC4/SDA — Port C bit 4 / ADC channel 4 / Two-wire data |
| Pin 28 | PC5/ADC5/SCL — Port C bit 5 / ADC channel 5 / Two-wire clock |
| Pin 29 | NC — Not connected (per datasheet MLF/QFN pin definition - verify against current datasheet) |
| Pin 30 | NC — Not connected (per datasheet MLF/QFN pin definition - verify against current datasheet) |
| Pin 31 | NC — Not connected (per datasheet MLF/QFN pin definition - verify against current datasheet) |
| Pin 32 | NC — Not connected (per datasheet MLF/QFN pin definition - verify against current datasheet) |
| Pin PAD | GND (exposed pad) — Exposed pad - ground connection, solder to grounded land pattern |
Typical Applications
ATMEGA88V-10MUR is suitable for 6 applications: Battery-Powered Sensor Nodes, Industrial Control and Automation, Consumer Appliances, LED Lighting and Dimming Control, Motor Control Subsystems, DebugWire and ISP Programmers / Educational Boards.
Battery-Powered Sensor Nodes
The ATMEGA88V-10MUR fits battery-powered sensor nodes because its 1.8V to 5.5V supply range lets it run from a single cell down to deep discharge, and AVR sleep modes with watchdog-timed wakeups minimize average current. In a typical node, the MCU samples a sensor via its 8-channel 10-bit ADC, stores readings in the 1KB SRAM, and transmits over UART or SPI to a radio module. Using 32.768 kHz asynchronous timer operation keeps sleep current in the microamp class, though the standard-power V die draws more than the picoPower ATMEGA88PV-10MUR - a consideration for multi-year battery targets.
Recommended
Industrial Control and Automation
In industrial control panels, the ATMEGA88V-10MUR provides deterministic 8-bit control with three flexible timer/counters, six PWM channels, and brown-out detection that guards against erratic behavior during supply dips on noisy factory floors. Its 8-channel 10-bit ADC reads potentiometers, thermistors, and current-sense outputs directly, while the hardware UART connects to RS-485 transceivers for Modbus-style field buses. Operating robustness is reinforced by the power-on reset and watchdog timer. Engineers typically clock the part at 8-10 MHz from a crystal for accurate UART baud rates; the industrial temperature variant ATMEGA88V-10MI is the common choice for cabinet environments exceeding commercial limits.
Recommended
Consumer Appliances
The ATMEGA88V-10MUR is widely used in consumer appliance control boards - coffee makers, fans, small pumps, and heaters - where a 10 MHz AVR drives triacs, relays, or MOSFETs through its PWM outputs and reads user interfaces via GPIO and ADC keypads. The 512B EEPROM stores user settings and calibration across power cycles, and the 8KB flash accommodates control logic with a bootloader for field firmware updates over UART. Wide 1.8V to 5.5V operation tolerates unregulated or sagging mains-derived supplies when paired with brown-out detection. Its low unit cost in tape-and-reel packaging suits high-volume automated assembly on standard QFN-32 land patterns.
Recommended
LED Lighting and Dimming Control
LED lighting controllers benefit from the ATMEGA88V-10MUR's six PWM outputs and three timer/counters, enabling multi-channel dimming, color mixing, and phase-cut dimming algorithms with precise timing from timer interrupts. The 10-bit ADC reads the potentiometer or 0-10V dimmer input and can monitor LED current via a sense resistor for closed-loop brightness regulation. Running directly from rectified low-voltage DC rails within 1.8V to 5.5V (or 5V logic rails) simplifies the power tree. The 32 general-purpose registers let compact C or assembly routines execute fast control loops at 10 MIPS, adequate for flicker-free PWM frequencies above 200 Hz on all channels simultaneously.
Recommended
Motor Control Subsystems
Small DC and stepper motor controllers use the ATMEGA88V-10MUR's hardware PWM, dead-time-capable timer outputs, and 10-bit ADC current feedback to implement closed-loop speed and torque control. The watchdog timer provides a fail-safe against firmware lockup driving H-bridges, and brown-out reset prevents PWM glitches during supply transients that could shoot through driver stages. At 10 MHz the AVR executes field-oriented-lite or PI control loops for brushed and stepper motors with sampling rates well into the kilohertz range. Analog comparator support supports zero-cross detection for sensorless brushless designs, though complex FOC is better served by the faster ATMEGA88PA-MU at 20 MHz on the same footprint.
Recommended
DebugWire and ISP Programmers / Educational Boards
The ATMEGA88V-10MUR is a popular target and host in programming tools and educational platforms because its debugWIRE on-chip debug system uses only the reset line, letting the MPLAB SNAP or AVR-ISP tools perform in-circuit debugging and ISP programming with minimal pin usage. Universities and makers leverage the 8KB flash, 1KB SRAM, and classic AVR register architecture documented across hundreds of datasheet pages and abundant open-source toolchain support (AVR-GCC, avrdude). The 32-VQFN exposed-pad package suits compact training boards, while the same footprint accepts ATMEGA328P-MU upgrades, letting one PCB design scale from teaching to Arduino-class 32KB applications.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA88V-10MUR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA88PV-10MUR | ATMEGA88PA-MU | ATMEGA88A-MU | ATMEGA328P-MU |
|---|---|---|---|---|---|
| Package | 32-VQFN Exposed Pad (5x5 mm) | 32-VQFN Exposed Pad - same | 32-VQFN - same footprint | 32-VQFN - same footprint | 32-VQFN - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Speed | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 32 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Power Technology | Standard low-voltage (V) | picoPower (P) - lower current | picoPower (P) | A-process | picoPower (P) |
| Lifecycle Status | Active (newer ATMEGA88A available) | Active | Active | Active (recommended for new designs) | Active |
Key Differentiators
- Lowest voltage floor for direct battery operation (vs ATMEGA88-20MU)
- Lower power consumption alternative exists in same footprint (vs ATMEGA88PV-10MUR)
- Cost-optimized 8KB memory point (vs ATMEGA328P-MU)
- Proven mature device with extensive ecosystem (vs ATMEGA88A-MU)
Design Notes
The exposed pad of the 32-VQFN package is the primary ground connection and must be soldered to a grounded land pattern with an array of thermal vias to the ground plane. Use a 1 mm or finer stencil aperture reduction (about 80%) on the pad to avoid solder voids. Place a 100 nF ceramic decoupling capacitor within 2 mm of each VCC/AVCC pin, plus 4.7-10 uF bulk capacitance. The 5x5 mm footprint requires NSMD pad geometry per Microchip QFN assembly guidelines for reliable joint formation.
The V speed grade is capped at 10 MHz, and the maximum safe frequency is derated at low supply voltage per the family frequency-vs-voltage curve - a 10 MHz crystal may be marginal near 1.8V, so verify operating margin or drop to 8 MHz below 2.7V. When migrating to ATMEGA88A/PA/328P, note that signature bytes and some register defaults differ, so update firmware signatures and re-verify clock fuses. Never disable the RESET fuse when using debugWIRE unless you have an HV programmer to recover the device.
The ADC accuracy depends directly on AVCC quality: connect AVCC to VCC through a low-pass LC or RC network (e.g., 10 uH inductor or 100-ohm resistor plus 100 nF) and use the AREF pin with a 100 nF capacitor when selecting the internal reference. Avoid switching noise on the analog supply - route the ADC ground returns as a quiet island tied to the exposed ground pad. Brown-out detection should be enabled via fuse for battery designs so the MCU does not execute corrupted code during deep discharge below 1.8V.
Compliance Information
Distributor listing describes the ATMEGA88V-10MUR as GREEN (halogen-free, lead-free) in tape-and-reel packaging; RoHS compliance confirmed via Xecor comparison data. REACH and conflict-minerals status not stated in provided data.
