ATMEGA88V-10MU - 8KB Flash 10MHz AVR MCU | Microchip
MPN: ATMEGA88V-10MU ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.88 | $3.88 |
| 10 | $3.49 | $34.90 |
| 100 | $3.1 | $310.00 |
| 500 | $2.82 | $1,410.00 |
| 1,000 | $2.55 | $2,550.00 |
ATMEGA88V-10MU Overview
An 8-bit microcontroller is a self-contained computing IC that integrates a processor core, program memory, data memory, and peripherals such as timers, UART, SPI, I2C, and ADC on a single chip. Within the power-management and embedded-systems hierarchy, MCUs like the ATmega88 sit at the control layer, executing firmware that drives sensors, actuators, and communication interfaces in embedded products.
Key features include the AVR advanced RISC architecture with 130 powerful instructions, most executing in a single clock cycle, 32 general-purpose 8-bit working registers, and a two-cycle hardware multiplier. The picoPower technology delivers low active and sleep currents, while read-while-write Flash supports in-system self-programming for bootloaders. Peripherals include three flexible timers with PWM, an 8-channel 10-bit ADC, a programmable serial USART, SPI, and two-wire I2C interface, plus an analog comparator and on-chip debug via debugWIRE.
Technically, the Harvard-architecture core fetches instructions and data over separate buses, sustaining near 1 MIPS per MHz throughput. The V variant operates at 10 MHz maximum across the full 1.8-5.5 V range, unlike the 20 MHz ATMEGA88-20 grades, enabling battery-powered designs that run directly from two alkaline cells or a single lithium cell.
Typical applications include battery-powered portable instruments, industrial sensor nodes, HVAC and appliance control, and hobby or educational embedded platforms where low voltage operation and ISP Flash updatability matter.
When designing, decouple both VCC pins and AVCC with 100 nF ceramics placed close to the pads, and connect the exposed pad to a solid ground plane for thermal and EMC performance.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for ATMEGA88V-10MU — 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-10MU (same form factor and footprint) — differing in Package, Flash Memory, Instructions, EEPROM, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATMEGA88PV-10MUR
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →ATMEGA88PA-CCUR
✅ Drop-In✓ In Stock
$1.08 / Unit
View Datasheet →ATMEGA88-20MU
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →ATMEGA88PA-MU
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.26 / Unit
View Datasheet →ATMEGA88PB-MU
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
ATMEGA88V-10MU Maximum Ratings & Electrical Characteristics
| Core | AVR 8-bit RISC |
| Flash Memory | 8 KB (4K x 16) In-System Programmable |
| EEPROM | 512 B |
| SRAM | 1 KB |
| Maximum Clock Speed | 10 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V |
| General Purpose I/O | 23 |
| ADC | 8-channel 10-bit |
| Timers | Two 8-bit, One 16-bit |
| Communication Interfaces | USART, SPI, I2C (TWI) |
| Package | 32-VQFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) |
| Architecture Features | 130 instructions, 32 x 8-bit working registers, hardware multiplier |
| Debug / Programming | debugWIRE, ICSP in-circuit programming |
| Low Power Technology | picoPower |
| RoHS Status | Compliant |
| Life Cycle Stage | Active |
ATMEGA88V-10MU Pin Configuration
| Pin 1 | PD3 — Port D bit 3 / digital I/O |
| Pin 2 | PD4 — Port D bit 4 / digital I/O (XCK/T0) |
| Pin 3 | GND — Ground |
| Pin 4 | VCC — Digital supply voltage |
| Pin 5 | GND — Ground |
| Pin 6 | VCC — Digital supply voltage |
| Pin 7 | PB6 — Port B bit 6 / XTAL1 (clock input) |
| Pin 8 | PB7 — Port B bit 7 / XTAL2 (clock output) |
| Pin 9 | PD5 — Port D bit 5 / digital I/O (T1) |
| Pin 10 | PD6 — Port D bit 6 / digital I/O (AIN0) |
| Pin 11 | PD7 — Port D bit 7 / digital I/O (AIN1) |
| Pin 12 | PB0 — Port B bit 0 / digital I/O (ICP1, CLKO) |
| Pin 13 | PB1 — Port B bit 1 / digital I/O (OC1A) |
| Pin 14 | PB2 — Port B bit 2 / digital I/O (SS, OC1B) |
| Pin 15 | PB3 — Port B bit 3 / MOSI, OC2A (ICSP data) |
| Pin 16 | PB4 — Port B bit 4 / MISO (ICSP data out) |
| Pin 17 | PB5 — Port B bit 5 / SCK (ICSP clock) |
| Pin 18 | AVCC — ADC supply voltage |
| Pin 19 | ADC6 — ADC input channel 6 |
| Pin 20 | AREF — ADC analog reference |
| Pin 21 | GND — Ground |
| Pin 22 | ADC7 — ADC input channel 7 |
| Pin 23 | PC0 — Port C bit 0 / ADC0 |
| Pin 24 | PC1 — Port C bit 1 / ADC1 |
| Pin 25 | PC2 — Port C bit 2 / ADC2 |
| Pin 26 | PC3 — Port C bit 3 / ADC3 |
| Pin 27 | PC4 — Port C bit 4 / ADC4, SDA |
| Pin 28 | PC5 — Port C bit 5 / ADC5, SCL |
| Pin 29 | PC6 — RESET pin (active-low reset, debugWIRE) |
| Pin 30 | PD0 — Port D bit 0 / USART RXD |
| Pin 31 | PD1 — Port D bit 1 / USART TXD |
| Pin 32 | PD2 — Port D bit 2 / INT0 external interrupt |
Typical Applications
ATMEGA88V-10MU is suitable for 6 applications: Battery-Powered Portable Instruments, Industrial Sensor Nodes, HVAC and Appliance Control, Embedded Education and Hobby Platforms, Motor Control and PWM Actuation, Data Acquisition and Logging Front-Ends.
Battery-Powered Portable Instruments
The ATMEGA88V-10MU fits battery instruments because its 1.8 V minimum supply allows direct operation from two alkaline or NiMH cells, eliminating a boost regulator, while picoPower sleep modes cut standby current to microamp levels. In a handheld meter, the MCU wakes on external interrupt or watchdog timeout, samples the 10-bit ADC, and returns to power-down between readings, stretching battery life to years at low duty cycles. Running the internal 8 MHz RC oscillator at 3 V removes the external crystal and its associated oscillator current. Trade-off: the 10 MHz V-grade limit caps compute throughput, so heavy DSP tasks need either duty-cycled bursts or the 20 MHz ATMEGA88-20MU at 5 V.
Recommended
Industrial Sensor Nodes
In industrial sensing nodes, the ATMEGA88V-10MU combines an 8-channel 10-bit ADC with USART, SPI, and I2C interfaces, allowing a single chip to digitize up to eight sensors and stream data over RS-485 (via external transceiver) or a two-wire bus. The -40C to +85C industrial temperature rating covers unconditioned factory and outdoor environments, and the 32-pad VQFN with grounded exposed pad provides solid EMC behavior on noisy plant floors. Firmware stored in ISP Flash can be field-updated through a UART bootloader using read-while-write self-programming. Design consideration: at 5 V the ADC reference can use the internal bandgap or VCC, but supply filtering is recommended to preserve 10-bit noise performance near switching loads.
Recommended
HVAC and Appliance Control
White-goods and HVAC control boards benefit from the ATMEGA88V-10MU's three timers with PWM outputs, which directly drive Triac or MOSFET gate stages for fan, pump, and heater control, while the analog comparator and ADC handle over-current and temperature supervision. The 23 I/O lines interface buttons, relays, LEDs, and NTC sensors without port expanders. Its 1.8-5.5 V tolerance simplifies power architectures shared with 3.3 V communication modules. The watchdog timer provides fail-safe recovery from mains-borne transients common in appliance environments. Because household appliances have long service lives, the active lifecycle status and second-source ATmega88 variants in the same footprint (PA, PB grades) support multi-year production continuity without PCB respins.
Recommended
Embedded Education and Hobby Platforms
The ATMEGA88V-10MU is a staple of embedded-systems education because the AVR core is documented in a single accessible datasheet, programs over inexpensive ICSP tools (MPLAB SNAP, USBasp), and supports debugWIRE single-wire debugging through the RESET pin. Students can implement timers, interrupts, UART, SPI, and I2C on the same 8 KB Flash part used in commercial products, and the free AVR-GCC toolchain requires no licensing. The wide 1.8-5.5 V supply range makes breadboard operation forgiving on bench supplies. For class kits, the same 32-VQFN footprint accommodates any ATmega88 grade, letting instructors standardize one PCB across course levels while scaling clock speed and power with a single BOM change.
Recommended
Motor Control and PWM Actuation
Small DC and stepper motor control leverages the ATMEGA88V-10MU's two 8-bit timers and one 16-bit timer, each with PWM channels, to generate phase-correct or fast PWM drive signals with resolutions up to 10 bits. External interrupts on all port pins plus pin-change interrupts support quadrature encoder feedback, and the 16-bit timer input-capture unit measures period and duty cycle with timer-clock resolution for closed-loop speed control. The 10 MHz grade sustains tens of thousands of control-loop iterations per second, adequate for fans, pumps, and light robotics. For higher loop bandwidth or sensorless FOC, migrate to the pin-compatible ATMEGA88-20MU at 5 V for double the MIPS without changing the PCB.
Recommended
Data Acquisition and Logging Front-Ends
As a compact DAQ front-end, the ATMEGA88V-10MU samples up to eight single-ended or differential channels through its 10-bit ADC at rates suitable for temperature, pressure, and slow analog monitoring, storing results in 512 B EEPROM and 1 KB SRAM buffers or streaming them over USART. The internal 1.1 V bandgap reference enables ratiometric measurements of bridge and NTC sensors without external references, and the analog comparator provides an autonomous threshold alarm independent of firmware latency. Sleep-mode sampling keeps average current low in remote loggers. Accuracy consideration: achieve better than 8 effective bits only with careful AVCC filtering and source impedance below 10 kOhm, as specified in the datasheet ADC section.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA88V-10MU — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA88PV-10MUR | ATMEGA88PA-CCUR | ATMEGA88-20MU | ATMEGA88PA-MU |
|---|---|---|---|---|---|
| Package | 32-VQFN (5x5 mm) | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum Clock Speed | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 4.5 V to 5.5 V (at 20 MHz) | 1.8 V to 5.5 V |
| EEPROM / SRAM | 512 B / 1 KB | 512 B / 1 KB | 512 B / 1 KB | 512 B / 1 KB | 512 B / 1 KB |
| Power Technology | picoPower (V generation) | picoPower PA (lowest sleep current) | picoPower PA | Standard (higher sleep current) | picoPower PA |
| General Purpose I/O | 23 | 23 | 23 | 23 | 23 |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Full 1.8 V low-voltage operation at 10 MHz (vs ATMEGA88-20MU)
- Cost-optimized classic die (vs ATMEGA88PV-10MUR)
- 20 MHz headroom via pin-compatible upgrades (vs ATMEGA88PA-MU)
- Trade-off: legacy silicon generation (vs ATMEGA88PB-MU)
Design Notes
Connect the VQFN exposed pad to a solid ground plane with an array of thermal vias; it is the primary ground return and heat dissipation path for the 5x5 mm package. Decouple both VCC pins (4 and 6) and AVCC (18) individually with 100 nF X7R ceramics placed within 2 mm of each pad, plus one 4.7 uF bulk capacitor near the supply entry. Tie AREF (20) to ground through 100 nF when using internal references, and never connect an external reference without a series inductor or resistor to isolate supply noise.
Estimated: at 5 V and 10 MHz with typical active current near 5 mA class operation, a fully loaded I/O port driving 20 mA per pin can dominate the power budget; total package current must respect the datasheet absolute maximum of 200 mA through VCC/GND pairs. In battery designs, budget sleep-mode current by disabling the BOD (brown-out detector) or using the BOD-in-sleep options, and prefer the picoPower ATMEGA88PV-10MUR drop-in when sub-uA power-down current is a hard requirement, since the older V die has higher standby current.
When migrating firmware from ATMEGA88V-10MU to PA/PB variants, the device signature bytes differ and bootloaders that hard-code the signature check will reject the new part; relax the check or update the signature table. Also note PC6 is RESET by default (fuse-configurable as I/O only via RSTDISBL, which disables further ISP programming - avoid in production). debugWIRE shares the RESET pin and must be disabled (DWEN fuse cleared) before ICSP programming works again.
If using an external crystal on PB6/PB7, keep traces under 15 mm and place load capacitors directly at the pins over an unbroken ground plane; the V-grade is specified to 10 MHz full-swing operation. For ADC accuracy, route analog traces away from PWM and USART lines, use the internal 1.1 V bandgap or a filtered AREF, and keep ADC source impedance below 10 kOhm so the internal sample capacitor charges fully within the acquisition window per the datasheet ADC recommendations.
Compliance Information
RoHS compliant per distributor listings (DigiKey, onlinecomponents.com). Not an automotive AEC-Q100 qualified part. REACH and halogen-free status not stated in provided data.
