ATMEGA88V-10PU - 8KB AVR MCU 10MHz 5V PDIP-28 | Microchip
MPN: ATMEGA88V-10PU ✓ Hoạt độngATMEGA88V-10PU Tóm tắt
An 8-bit microcontroller is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, executing one instruction per cycle in the AVR enhanced RISC architecture. Within the power management hierarchy of embedded systems, MCUs sit at the top level of a board's control chain: system -> MCU -> peripherals. The ATmega88 belongs to the ATmega48/88/168/328 family, sharing the same core, peripherals, and 28-pin pinout across Flash sizes.
Key features include 1MIPS-per-MHz throughput from 130 powerful single-cycle instructions, 32 general-purpose working registers, and read-while-write Flash for self-programming. The device integrates 512B EEPROM, 1KB SRAM, 23 general-purpose I/O lines, three flexible timer/counters with compare modes, a byte-oriented Two-Wire (I2C) interface, an SPI serial port, a 10-bit ADC, and an internal calibrated oscillator.
The picoPower technology platform minimizes active and sleep-mode currents, supporting battery-operated designs across the 1.8V-5.5V industrial-standard supply range. The Von-Neumann program/data memory space and Harvard bus architecture achieve deterministic single-cycle execution, while ISP (In-System Programming) and debugWIRE on-chip debugging simplify development without removing the chip from the board.
Typical applications include industrial control panels, sensor nodes and instrumentation, hobby and educational embedded systems, and small appliances. The PDIP package makes it especially popular for prototyping, breadboarding, and low-volume through-hole production where socketing aids field replacement.
Design consideration: the -10 speed grade limits the clock to 10MHz across the full 1.8V-5.5V range; at 5V, avoid exceeding this frequency, and verify brown-out detector settings when operating near 1.8V. A newer device, the ATMEGA88A, supersedes this part per Atmel/Microchip product change notices.
This page synthesizes distributor pricing, drop-in alternatives within the ATmega48/88/168/328 family, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho ATMEGA88V-10PU — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATMEGA88V-10PU (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Instructions, Timers, Package, Maximum Clock Frequency.
ATMEGA88PA-PU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATMEGA88A-PU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATMEGA88-20PI
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATMEGA88PA-PN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATMEGA328P-PU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ATMEGA88V-10PU Tỷ lệ tối đa & tính chất điện
| Core Processor | AVR 8-bit RISC |
| Core Size | 8-Bit |
| Max Clock Speed | 10 MHz |
| Flash Memory | 8 KB (4K x 16) ISP Flash |
| EEPROM | 512 B |
| SRAM | 1 KB |
| Supply Voltage Range | 1.8 V to 5.5 V |
| General Purpose I/O | 23 lines |
| Working Registers | 32 x 8-bit |
| Instructions | 130 powerful instructions, most single-cycle |
| Timers/Counters | 3 flexible timer/counters with compare modes |
| Communication Interfaces | USART, SPI, Two-Wire (I2C) |
| ADC | 10-bit |
| Hộp | 28-PDIP |
| Kiểu lắp đặt | Through Hole |
| In-System Programming | Yes (ISP, read-while-write) |
| On-Chip Debug | debugWIRE |
| Low Power Technology | picoPower |
| Speed Grade | -10 (10 MHz) |
| Throughput | 1 MIPS per MHz |
Cấu hình chân ATMEGA88V-10PU
| Chân 1 | PC6/RESET — Reset input or digital I/O PC6 (active low reset) |
| Chân 2 | PD0/RXD — Digital I/O PD0 / USART receive input |
| Chân 3 | PD1/TXD — Digital I/O PD1 / USART transmit output |
| Chân 4 | PD2/INT0 — Digital I/O PD2 / external interrupt 0 |
| Chân 5 | PD3/INT1 — Digital I/O PD3 / external interrupt 1 / OC2B |
| Chân 6 | PD4/T0 — Digital I/O PD4 / Timer0 external counter input / XCK |
| Chân 7 | VCC — Digital supply voltage (1.8V to 5.5V) |
| Chân 8 | GND — Ground |
| Chân 9 | PB6/XTAL1 — Digital I/O PB6 / crystal oscillator input or internal clock |
| Chân 10 | PB7/XTAL2 — Digital I/O PB7 / crystal oscillator output |
| Chân 11 | PD5/T1 — Digital I/O PD5 / Timer1 external counter input / OC0B |
| Chân 12 | PD6/AIN0 — Digital I/O PD6 / analog comparator positive input / OC0A |
| Chân 13 | PD7/AIN1 — Digital I/O PD7 / analog comparator negative input |
| Chân 14 | PB0/ICP1 — Digital I/O PB0 / Timer1 input capture / CLKO |
| Chân 15 | PB1/OC1A — Digital I/O PB1 / Timer1 output compare A |
| Chân 16 | PB2/SS/OC1B — Digital I/O PB2 / SPI slave select / Timer1 output compare B |
| Chân 17 | PB3/MOSI/OC2A — Digital I/O PB3 / SPI master output / Timer2 output compare A |
| Chân 18 | PB4/MISO — Digital I/O PB4 / SPI master input |
| Chân 19 | PB5/SCK — Digital I/O PB5 / SPI serial clock |
| Chân 20 | AVCC — ADC supply voltage (connect to VCC) |
| Chân 21 | AREF — ADC analog reference voltage |
| Chân 22 | GND — Ground |
| Chân 23 | PC0/ADC0 — Digital I/O PC0 / ADC channel 0 |
| Chân 24 | PC1/ADC1 — Digital I/O PC1 / ADC channel 1 |
| Chân 25 | PC2/ADC2 — Digital I/O PC2 / ADC channel 2 |
| Chân 26 | PC3/ADC3 — Digital I/O PC3 / ADC channel 3 |
| Chân 27 | PC4/ADC4/SDA — Digital I/O PC4 / ADC channel 4 / Two-Wire data |
| Chân 28 | PC5/ADC5/SCL — Digital I/O PC5 / ADC channel 5 / Two-Wire clock |
Ứng dụng tiêu biểu
ATMEGA88V-10PU phù hợp cho 6 Áp dụngs: Industrial Control Panels, Battery-Powered Sensor Nodes, Hobby and Educational Embedded Systems, Small Appliance Control, Instrumentation and Data Loggers, Automotive Auxiliary / Non-Safety Electronics.
Industrial Control Panels
The ATMEGA88V-10PU suits industrial control panels needing deterministic 8-bit control with a 5V noise-immune supply. Its 23 GPIO lines drive relays, indicators, and optocoupled inputs, while the Three timer/counters generate PWM for actuators and precise timing loops. The USART links to HMIs or RS-485 transceivers, and the 10-bit ADC reads potentiometers and analog sensors with adequate resolution for process monitoring. Operating at 1MIPS per MHz, a 10MHz clock yields roughly 10 MIPS, sufficient for state-machine-based sequencing. The through-hole PDIP package tolerates field socket replacement, minimizing panel downtime.
Được đề xuất
Battery-Powered Sensor Nodes
The 'V' grade of the ATMEGA88V-10PU operates from 1.8V to 5.5V, allowing direct use of two alkaline cells or a single LiSOCl2 cell without a regulator. picoPower technology minimizes sleep-mode current, and power-down/wake-on-interrupt modes extend battery life in duty-cycled acquisition nodes. The 10-bit ADC samples temperature, humidity, or voltage sensors; the Two-Wire (I2C) interface reads digital sensors; and the 512B EEPROM stores calibration constants across power cycles. At low clock frequencies the AVR core retains 1MIPS-per-MHz efficiency, letting designers trade clock speed for current in energy-harvesting or remote telemetry applications.
Được đề xuất
Hobby and Educational Embedded Systems
The ATMEGA88V-10PU in 28-PDIP is a staple of hobbyist and university embedded-systems courses. The through-hole package inserts directly into breadboards and ZIF programmers, and free AVR-GCC toolchains plus ISP programming via an Arduino-as-ISP or AVRISP mkII give students a zero-cost path from source code to running hardware. The 8KB Flash is ample for UART, SPI, I2C, ADC, and timer lab exercises, while debugWIRE enables single-wire debugging on the same RESET pin. Shared pinout with the ATmega328P (Arduino Uno family) lets course material migrate seamlessly to larger Flash when projects outgrow 8KB.
Được đề xuất
Small Appliance Control
In small appliances such as coffee makers, fans, and heaters, the ATMEGA88V-10PU provides touch/button scanning, relay and triac control, and user-feedback LEDs from a single 8-bit controller. The 10-bit ADC reads NTC thermistors for closed-loop temperature regulation, and timer PWM drives heater or motor power stages through optocouplers. The wide 1.8V-5.5V supply range simplifies the low-cost capacitor-dropper or linear supply typically fitted in appliances, while internal RC oscillator eliminates the crystal and its cost. The 512B EEPROM preserves user settings and cycle counters across power interruptions, and BOD options protect against brown-out corruption.
Được đề xuất
Instrumentation and Data Loggers
The ATMEGA88V-10PU serves compact instrumentation and logging products where the 10-bit ADC, USART, and 1KB SRAM cover signal capture and formatting duties. Its 10MHz clock is fast enough for polling-based acquisition of low-bandwidth channels, and the SPI port streams results to external EEPROM or SD-card interfaces. The wide voltage range supports portable, battery-operated meters, while picoPower sleep modes keep standby current in the microampere class between samples. Firmware fits comfortably in 8KB Flash for menus, calibration math, and logging logic; if code grows, the pin-compatible ATMEGA168V or ATMEGA328P provide a solder-free upgrade path on the same PCB.
Được đề xuất
Automotive Auxiliary / Non-Safety Electronics
For non-safety auxiliary vehicle electronics such as lighting controllers, seat-memory modules, and accessory sensors, the ATMEGA88V-10PU's wide 1.8V-5.5V input tolerance absorbs the 5V regulated rail variation found in vehicles. Its brown-out detector resets cleanly during cranking transients, and the EEPROM retains learned configurations across ignition cycles. Timer PWM supports LED dimming and stepper-driven HVAC actuators, while the USART/SPI interfaces communicate with LIN-adjacent gateways through transceivers. Note this commercial-grade part is not AEC-Q100 qualified; for safety-relevant or powertrain applications, select an automotive-qualified microcontroller family instead.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATMEGA88V-10PU — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATMEGA88PA-PU | ATMEGA88A-PU | ATMEGA88-20PI | ATMEGA88PA-PN | ATMEGA328P-PU |
|---|---|---|---|---|---|---|
| Package | 28-PDIP | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same |
| Brand | Microchip Technology (Atmel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Speed | 10 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 32 KB |
| SRAM | 1 KB | 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 | 4.5 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 512 B | 1 KB |
| Lifecycle Position | Active (successor ATMEGA88A noted) | Active, preferred successor | Active | Active | Active | Active, high-volume |
Bảo phân biệt quan trọng
- Widest supply range in the ATmega88 PDIP family (vsATMEGA88-20PI)
- Field-replaceable through-hole package (vsATMEGA88PA-PN (also PDIP) vs SMD TQFP variants like ATMEGA88V-10AU)
- Lowest-cost entry in pin-compatible family (vsATMEGA328P-PU)
Ghi chú thiết kế
Connect AVCC (pin 20) to VCC through a low-pass filter (e.g., 10uH inductor or 100-ohm resistor with 100nF capacitor) even when the ADC is unused - the manufacturer datasheet requires AVCC within 0.3V of VCC for correct operation. Fit 100nF decoupling at VCC and AVCC pins plus 10uF bulk capacitance. When running from battery near 1.8V, enable the brown-out detector at an appropriately low threshold (e.g., 1.8V BOD setting) to prevent Flash/EEPROM corruption during slow supply decay.
The -10 speed grade limits operation to 10MHz across the full 1.8V-5.5V supply range; do not fit a faster crystal even at 5V, unlike the -20 grade parts. Verify fuse settings on first programming: the default factory fuse selects the 8MHz internal RC oscillator divided by 8 (1MHz), not an external crystal. If RESET (PC6) is reprogrammed as GPIO via fuse, ISP programming becomes unavailable - keep a reset path or use a high-voltage programmer for recovery.
For through-hole PDIP prototyping, keep the crystal (if used) within a few centimeters of PB6/PB7 (pins 9-10) and place 22pF load capacitors close to the pins. Route the AREF pin (21) with its dedicated 100nF capacitor to ground; never tie AREF directly to VCC without a series element. On socketed boards, ensure good socket contact at pin 20/21 - high-impedance ADC reference faults are a common field symptom of poor socket seating.
When driving long wires or cables from PB5/PB3/PB4 (SPI), add 100-ohm series resistors at the MCU edge to damp ringing; the AVR output drivers are fast enough at 5V to cause reflections on wire-wrap or ribbon runs. Keep the Two-Wire (I2C) bus on PC4/PC5 within bus-capacitance limits and use 4.7k pull-ups at 5V operation. On the ADC, source impedance above 10k requires a longer acquisition time or an external buffer for full 10-bit accuracy.
Thông tin tuân thủ
RoHS/REACH/halogen status not stated in retrieved distributor data for this exact ordering code; confirm via Microchip product page or certificate of conformance. 'PU' suffix denotes lead-free PDIP per Atmel ordering-code conventions. Commercial-grade device, not AEC-Q100 qualified.
