ATMEGA88V-10MU - 8KB AVR MCU, 10MHz, 1.8-5.5V | Microchip
MPN: ATMEGA88V-10MU ✓ فعالATMEGA88V-10MU نمای کلی
An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 131 powerful instructions in a single clock cycle, positioning the ATmega family in the embedded MCU hierarchy between tiny ATtiny parts and larger ATmega128/2560 devices. MCUs of this class integrate CPU, program memory, data memory, timers, and peripherals on a single die, replacing multi-chip solutions in cost-sensitive embedded designs.
Key features include picoPower low-power technology with multiple sleep modes, read-while-write FLASH capability, three flexible timer/counters, a 10-bit ADC, and 32 general-purpose working registers tightly coupled to the ALU for high code density and C-friendly performance.
Technically, the device uses the AVR enhanced RISC pipeline with single-cycle instruction execution; the wide 1.8V to 5.5V V-range (the V suffix grade) enables direct operation from two alkaline cells, a 3.3V rail, or a 5V industrial bus without a regulator change. Programming is via In-Circuit Serial Programming (ICSP) using two I/O pins plus reset, supported by MPLAB SNAP and legacy AVR ISP tools.
Typical applications include battery-powered sensor nodes, home automation and IoT end nodes, industrial control panels, and consumer appliance interfaces, where the low-voltage grade and 10 MHz ceiling trade peak speed for reliable wide-supply operation.
Design consideration: the V grade is limited to 10 MHz; if your system runs at 16-20 MHz or 5V with aggressive timing, select the ATMEGA88PA or ATMEGA88-20 drop-in variants in the same 32-VQFN footprint instead.
This page synthesizes verified distributor specifications, same-footprint drop-in alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.
جایگزین‌های drop-in برای ATMEGA88V-10MU — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ATMEGA88V-10MU (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Supply Voltage Range, Mounting Type, ADC, EEPROM Size.
ATMEGA88PV-10MUR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATMEGA88-20MU
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATMEGA88PA-CCUR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ATMEGA88V-10MU حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | 8-bit AVR RISC |
| Program Memory Size | 8KB (4K x 16) FLASH |
| EEPROM Size | 512B |
| SRAM Size | 1KB (1K x 8) |
| Maximum Clock Speed | 10 MHz |
| Supply Voltage Range | 1.8V to 5.5V |
| Number of I/O Lines | 23 |
| General Purpose Working Registers | 32 |
| Timers/Counters | 3 (two 8-bit, one 16-bit) |
| ADC | 10-bit |
| بسته‌بندی | 32-VQFN (5x5 mm), MLF with exposed pad |
| نوع نصب | Surface Mount |
| Programming Interface | ICSP (2 I/O pins + reset) |
| Series | AVR ATmega (picoPower) |
| Instruction Set | 131 instructions, mostly single-cycle |
| Read-While-Write FLASH | Yes |
| Lifecycle Stage | Active (newer device ATMEGA88A available) |
پیکربندی پین ATMEGA88V-10MU
| پین 1 | PD3 — Port D, bit 3 (GPIO / analog comparator negative input AIN1) |
| پین 2 | PD4 — Port D, bit 4 (GPIO / analog comparator positive input AIN0 / XCK) |
| پین 3 | GND — Ground |
| پین 4 | VCC — Digital supply voltage (1.8V to 5.5V) |
| پین 5 | GND — Ground |
| پین 6 | VCC — Digital supply voltage |
| پین 7 | PB6 — Port B, bit 6 (XTAL1 / TOSC1 - oscillator input) |
| پین 8 | PB7 — Port B, bit 7 (XTAL2 / TOSC2 - oscillator output) |
| پین 9 | PD5 — Port D, bit 5 (GPIO / T1 external counter input / OC0B) |
| پین 10 | PD6 — Port D, bit 6 (GPIO / AIN0 / OC0A) |
| پین 11 | PD7 — Port D, bit 7 (GPIO / AIN1) |
| پین 12 | PB0 — Port B, bit 0 (GPIO / ICP1 input capture / CLKO) |
| پین 13 | PB1 — Port B, bit 1 (GPIO / OC1A PWM output) |
| پین 14 | PB2 — Port B, bit 2 (GPIO / SS / OC1B PWM output) |
| پین 15 | PB3 — Port B, bit 3 (MOSI - SPI data input / OC2A) |
| پین 16 | PB4 — Port B, bit 4 (MISO - SPI data output) |
| پین 17 | PB5 — Port B, bit 5 (SCK - SPI clock) |
| پین 18 | AVCC — Analog supply voltage for ADC |
| پین 19 | ADC6 — ADC input channel 6 |
| پین 20 | AREF — Analog reference voltage for ADC |
| پین 21 | GND — Ground |
| پین 22 | ADC7 — ADC input channel 7 |
| پین 23 | PC0 — Port C, bit 0 (GPIO / ADC0) |
| پین 24 | PC1 — Port C, bit 1 (GPIO / ADC1) |
| پین 25 | PC2 — Port C, bit 2 (GPIO / ADC2) |
| پین 26 | PC3 — Port C, bit 3 (GPIO / ADC3) |
| پین 27 | PC4 — Port C, bit 4 (GPIO / ADC4 / SDA - TWI data) |
| پین 28 | PC5 — Port C, bit 5 (GPIO / ADC5 / SCL - TWI clock) |
| پین 29 | PC6 — Port C, bit 6 (RESET - active-low reset input) |
| پین 30 | PD0 — Port D, bit 0 (GPIO / RXD - UART receive) |
| پین 31 | PD1 — Port D, bit 1 (GPIO / TXD - UART transmit) |
| پین 32 | PD2 — Port D, bit 2 (GPIO / INT0 external interrupt) |
کاربردهای معمول
ATMEGA88V-10MU مناسب است برای 6 کاربردs: Battery-Powered Sensor Nodes, Home Automation and IoT End Nodes, Industrial Control Panels, Consumer Appliance Interfaces, Motor and Actuator Control, Embedded Data Loggers.
Battery-Powered Sensor Nodes
The ATMEGA88V-10MU fits battery-powered sensor nodes because its 1.8V supply floor allows direct operation from two alkaline cells across their entire discharge curve (nominally 1.8V-3.0V), eliminating a boost converter and its quiescent loss. The picoPower platform offers six sleep modes; in power-down mode the MCU suspends the clock and retains SRAM at microamp-level current, waking on pin-change or watchdog interrupt. A typical topology samples a sensor with the internal 10-bit ADC, stores calibration in the 512B EEPROM, and radios out via a serial link on PD0/PD1, spending over 99% of the duty cycle asleep. The trade-off is the 10 MHz ceiling, which is rarely a constraint since sensing tasks use a fraction of that throughput.
پیشنهادی
Home Automation and IoT End Nodes
For home automation end nodes such as wall switches, dimmers, and thermostat sensing heads, the ATMEGA88V-10MU provides 23 GPIO lines - enough to drive relays, read multiple buttons, and bit-bang protocols - within a single 5x5 mm VQFN. The hardware I2C (TWI) on PC4/PC5 talks to RTC and environmental sensors, while the SPI on PB3-PB5 interfaces to RF modules. Operating from a 3.3V rail at up to 10 MHz, the single-cycle RISC core executes 131-instruction-set AVR C code with high density in the 8KB FLASH, and the 1KB SRAM comfortably holds protocol buffers. Designers should budget the 10 MHz throughput against any software bit-banged timing loops, or migrate to the pin-compatible 20 MHz ATMEGA88PA-CCUR if headroom is short.
پیشنهادی
Industrial Control Panels
On 5V industrial control panels, the ATMEGA88V-10MU runs from the standard 5V logic rail (well within its 1.8V-5.5V range) and its 23 I/O lines interface pushbuttons, LEDs, relays, and limit switches through optocouplers. Three flexible timer/counters - two 8-bit and one 16-bit - generate PWM for actuator control and precise measurement of input pulse trains, while the 10-bit ADC reads potentiometer setpoints and analog transducer feedback. The 512B EEPROM retains configuration and runtime counters across power cycles, and the brownout detector plus watchdog provide the fault robustness expected in panel environments. The 10 MHz grade is adequate for panel refresh rates; the external crystal option on PB6/PB7 provides accurate timing when the internal RC is insufficient.
پیشنهادی
Consumer Appliance Interfaces
Consumer appliance front panels - ovens, air conditioners, coffee machines - use the ATMEGA88V-10MU for its combination of low cost, wide supply tolerance, and 23 GPIO. A typical design drives multiplexed 7-segment or LED bar displays via timed port writes on timer interrupts, scans a key matrix on port C and D, and uses the ADC with internal bandgap reference to monitor mains-derived temperature sensors. The 32 general-purpose working registers make the C display drivers compact, fitting comfortably in the 8KB FLASH with bootloader room for field firmware updates over UART (ICSP pins PB3/PB5 double as the serial interface). The VQFN exposed pad aids heat dissipation in enclosed plastic housings, and picoPower sleep modes meet standby-power regulations.
پیشنهادی
Motor and Actuator Control
The ATMEGA88V-10MU serves small motor control tasks - DC fans, stepper drivers, servo loops - using its 16-bit timer for phase-correct PWM and its 8-bit timers for sequencing and commutation. Running from 5V, the outputs drive discrete H-bridge or gate-driver inputs directly, while the ADC samples back-EMF or current-shunt signals for closed-loop control executed at kHz rates within the 10 MHz budget. Pin-change interrupts on all ports enable Hall sensor or quadrature encoder inputs without polling. The 1KB SRAM holds control-loop state and position tables, and the 512B EEPROM stores calibration constants such as null offsets. For higher-resolution PWM above 10 MHz clocking permits, the pin-compatible ATMEGA88-20MU doubles the timer clock without any PCB change.
پیشنهادی
Embedded Data Loggers
Compact data loggers benefit from the ATMEGA88V-10MU's read-while-write FLASH and 512B EEPROM: configuration and rolling data records persist without external memory in minimal designs, or the SPI port (PB3-PB5) attaches serial FLASH/SD media for larger stores. The 10-bit ADC with up to six multiplexed channels (plus differential inputs on the ATmega88 ADC front end) captures multi-sensor inputs, and timer-driven sampling keeps timing deterministic under a crystal on PB6/PB7. Powered from 3 alkaline cells at 1.8V-4.5V, the V grade eliminates an LDO; sleep between sample intervals stretches battery life into years. Firmware size is the main constraint at 8KB, so use AVR-GCC with -Os and avoid heavyweight libraries, or step to a pin-compatible larger sibling.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ATMEGA88V-10MU — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ATMEGA88PV-10MUR | ATMEGA88-20MU | ATMEGA88PA-CCUR | ATMEGA88V-10MJ |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Atmel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-VQFN (5x5 mm) MLF | 32-VQFN (5x5 mm) - same footprint | 32-VQFN (5x5 mm) - same footprint | 32-VQFN (5x5 mm) - same footprint | 32-lead LDR (J-lead) - different footprint |
| Max Clock Speed | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 10 MHz |
| Supply Voltage Range | 1.8V to 5.5V | 1.8V to 5.5V | 2.7V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V |
| FLASH Memory | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) |
| SRAM / EEPROM | 1KB / 512B | 1KB / 512B | 1KB / 512B | 1KB / 512B | 1KB / 512B |
| I/O Lines | 23 | 23 | 23 | 23 | 23 |
| Silicon Generation | Original ATmega88 (picoPower V grade) | Original picoPower V grade | Original ATmega88 standard grade | PA successor die (improved RC osc) | Original picoPower V grade |
تفاوت‌های کلیدی
- Deepest low-voltage operation in the ATmega88 VQFN family (در مقابلATMEGA88-20MU)
- Wide-voltage successor with no speed penalty available in same footprint (در مقابلATMEGA88PA-CCUR)
- Package choice flexibility within the same die (در مقابلATMEGA88V-10MJ)
یادداشت‌های طراحی
Connect both VCC pads (4 and 6), AVCC (pad 18), and the exposed die pad to the supply rail. AVCC must be within 0.3V of VCC even if the ADC is unused - leaving AVCC floating can corrupt the ADC and increase noise. Decouple each VCC/AVCC pin with 100 nF ceramic capacitors placed within 2 mm of the pad, plus one 4.7-10 uF bulk capacitor per supply domain. The MLF exposed pad should be soldered to a grounded or VCC copper thermal pad per the Atmel ATmega88 datasheet MLF application note - it is not optional for reliable power integrity.
The 32-VQFN (5x5 mm) MLF package requires a 0.5 mm-pitch land pattern with via-in-pad or dog-bone escapes for inner rows; follow the Microchip MLF soldering guidelines for stencil aperture design (typically 80-90% pad coverage with the exposed pad stencil split into 4 quadrants to prevent floating). The exposed pad on the ATmega88 MLF is a ground/power connection, so tie it to a solid plane. Inspect with X-ray or use sufficient voiding tolerance, since invisible exposed-pad voids are the most common field reliability failure of QFN AVR parts.
The V grade tops out at 10 MHz: do not fit a 16 MHz crystal by habit from ATmega328P designs - overclocking outside the datasheet frequency-vs-voltage envelope is unguaranteed and may fail at low temperature or low VCC. Also note the 20 MHz ATMEGA88-20MU requires at least 2.7V (4.5V for full speed), so it is not a voltage-transparent substitute in a 1.8V design. Finally, PC6 is RESET by default; if you fuse it into an I/O pin, you lose ICSP high-voltage-free reprogramming - disable RESET only when a high-voltage parallel programmer is available.
Keep the XTAL1/XTAL2 crystal traces on PB6/PB7 under 10 mm and guard them with ground pour, since the low-power crystal oscillator operates at microamp bias currents and is susceptible to coupling from PWM outputs (OC1A on PB1, OC1B on PB2). Route the SPI bus (PB3-PB5) away from the crystal when it also serves ICSP programming; leave the ICSP header footprint populated in production for field firmware updates via MPLAB SNAP, which uses only MOSI, SCK, and RESET.
اطلاعات انطباق
RoHS/lead-free status per Microchip standard product policy for current ATmega88 production; REACH and halogen-free status not stated in the retrieved web data and must be confirmed against the official Microchip product compliance page.
