ATMEGA88PV-10AU - 8KB Flash 10MHz AVR MCU | Microchip
料号： ATMEGA88PV-10AU ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.18 | $6.18 |
| 10 | $5.72 | $57.20 |
| 100 | $5.2 | $520.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.15 | $4,150.00 |
ATMEGA88PV-10AU 概述
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.
直接替换替代料： ATMEGA88PV-10AU ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ATMEGA88PV-10AU （相同外形与封装尺寸） ——差异在于 Operating Temperature, ADC, Throughput, Timers/Counters, Package.
快速对比工具——选择替代料号进行并排对比：
ATMEGA88PA-AUR
✅ 直接替换✓ 有现货
$0.82 / 个
查看数据手册 →ATMEGA88PB-ANR
✅ 直接替换✓ 有现货
$1.38 / 个
查看数据手册 →ATMEGA88A-AU
✅ 直接替换✓ 有现货
$1.52 / 个
查看数据手册 →ATMEGA88-20AU
✅ 直接替换✓ 有现货
$2.33 / 个
查看数据手册 →ATMEGA88P-20AUR
✅ 直接替换✓ 有现货
$0.74 / 个
查看数据手册 →ATMEGA168PV-10PU
✅ 直接替换📋 参考替代料（不在目录中）
ATMEGA88PV-10AU 最大额定值与电气特性
| Core Architecture | 8-bit AVR RISC |
| Max Clock Frequency | 10 MHz |
| Flash Program Memory | 8 KB (4K x 16) |
| SRAM | 1 KB |
| EEPROM | 512 B |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Throughput | up to 10 MIPS at 10 MHz |
| I/O Lines | 23 |
| ADC | 8-channel 10-bit |
| Timers | 3 (two 8-bit, one 16-bit) |
| Communication Interfaces | USART, SPI, TWI (I2C) |
| 封装 | 32-TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount |
| Debug / Programming | debugWIRE, ISP (In-System Programmable) |
| External Interrupts | 24 (per Xecor comparison data) |
| Technology | picoPower low-power |
| Instruction Count | 131 instructions, most single-cycle |
| RoHS 状态 | Compliant |
ATMEGA88PV-10AU 引脚配置
| 引脚 1 | PD3 (PCINT19/OC2B/INT1) — Port D bit 3, pin-change/interrupt/output-compare |
| 引脚 2 | PD4 (PCINT20/XCK/T0) — Port D bit 4, USART external clock / Timer0 clock input |
| 引脚 3 | GND — Ground |
| 引脚 4 | VCC — Digital supply voltage |
| 引脚 5 | GND — Ground |
| 引脚 6 | VCC — Digital supply voltage |
| 引脚 7 | PB6 (PCINT6/XTAL1/TOSC1) — Crystal oscillator input / Timer oscillator |
| 引脚 8 | PB7 (PCINT7/XTAL2/TOSC2) — Crystal oscillator output / Timer oscillator |
| 引脚 9 | PD5 (PCINT21/OC0B/T1) — Port D bit 5, output-compare / Timer1 clock |
| 引脚 10 | PD6 (PCINT22/OC0A/AIN0) — Port D bit 6, output-compare / analog comparator input |
| 引脚 11 | PD7 (PCINT23/AIN1) — Port D bit 7, analog comparator input |
| 引脚 12 | PB0 (PCINT0/CLKO/ICP1) — Port B bit 0, clock output / Timer1 input capture |
| 引脚 13 | PB1 (PCINT1/OC1A) — Port B bit 1, Timer1 output compare A (PWM) |
| 引脚 14 | PB2 (PCINT2/SS/OC1B) — Port B bit 2, SPI slave select / Timer1 output compare B |
| 引脚 15 | PB3 (PCINT3/MOSI/OC2A) — Port B bit 3, SPI master-out / Timer2 output compare A |
| 引脚 16 | PB4 (PCINT4/MISO) — Port B bit 4, SPI master-in |
| 引脚 17 | PB5 (PCINT5/SCK) — Port B bit 5, SPI clock / ISP programming clock |
| 引脚 18 | AVCC — ADC supply voltage |
| 引脚 19 | ADC6 — ADC input channel 6 (analog only) |
| 引脚 20 | AREF — ADC analog reference |
| 引脚 21 | GND — Ground |
| 引脚 22 | ADC7 — ADC input channel 7 (analog only) |
| 引脚 23 | PC0 (PCINT8/ADC0) — Port C bit 0, ADC channel 0 |
| 引脚 24 | PC1 (PCINT9/ADC1) — Port C bit 1, ADC channel 1 |
| 引脚 25 | PC2 (PCINT10/ADC2) — Port C bit 2, ADC channel 2 |
| 引脚 26 | PC3 (PCINT11/ADC3) — Port C bit 3, ADC channel 3 |
| 引脚 27 | PC4 (PCINT12/ADC4/SDA) — Port C bit 4, ADC4 / TWI data |
| 引脚 28 | PC5 (PCINT13/ADC5/SCL) — Port C bit 5, ADC5 / TWI clock |
| 引脚 29 | PC6 (PCINT14/RESET) — Reset input / debugWIRE line, active low |
| 引脚 30 | PD0 (PCINT16/RXD) — Port D bit 0, USART receive |
| 引脚 31 | PD1 (PCINT17/TXD) — Port D bit 1, USART transmit |
| 引脚 32 | PD2 (PCINT18/INT0) — Port D bit 2, external interrupt 0 |
典型应用
ATMEGA88PV-10AU 适用于 6 应用s: Battery-Powered Sensor Nodes, Industrial Sensor and Control Boards, Consumer Appliance Control, Analog Measurement Instruments, Arduino-Compatible Prototyping, Lighting and Display Control.
Battery-Powered Sensor Nodes
The ATMEGA88PV-10AU fits battery-powered sensing directly because its picoPower technology reduces power-down sleep current to microamp levels while retaining SRAM and register state, and the 1.8V minimum supply lets the node run from two alkaline cells or a single-cell lithium to end-of-discharge. In a typical node, the MCU sleeps in power-down, wakes on pin-change or watchdog interrupt, powers the sensor rail, samples through the 8-channel 10-bit ADC, and transmits over USART or TWI before sleeping again. Duty-cycling a 10 MHz active phase to a few milliseconds per minute yields multi-year battery life; keep the clock low during sampling to further cut dynamic current.
推荐
Industrial Sensor and Control Boards
In industrial control panels, the ATMEGA88PV-10AU provides 23 GPIO, three timers including one 16-bit timer suitable for PWM actuator control, and a USART for Modbus-style serial links. The 10 MHz grade keeps EMI low in noisy cabinets, while the 5.5V maximum supply allows direct connection to industrial 5V logic without level translation. The 10-bit ADC with 8 channels reads potentiometers, current-shunt amplifiers, and thermistors; supply voltage flexibility (1.8-5.5V) simplifies legacy retrofit designs.(debugWIRE debugging over the reset line reduces test-point count in production boards.) Place a 0.1uF cap at each VCC/AVCC pin and use the internal RC oscillator for pulse-noise immunity in electrically harsh environments.
推荐
Consumer Appliance Control
White goods, small appliances, and HVAC fan controls are classic ATmega88P territory: the 8KB Flash accommodates state machines, keypad decoding, and display multiplexing, while the 512B EEPROM stores user settings and cycle counters that survive power loss. The 16-bit timer generates phase-correct PWM for triac or DC motor speed control, and the TWI interface drives RTC chips or OLED displays. Running the part at 5V/10 MHz gives robust noise margins next to relay coils; use the internal brown-out detector enabled via fuse bits so appliance resets stay deterministic during mains sags, and flash the boot region for field firmware updates.
推荐
Analog Measurement Instruments
Handheld meters and dataloggers benefit from the ATMEGA88PV-10AU's 8-channel 10-bit ADC with differential input modes and 1.1V internal reference. Averaging 64 samples yields roughly 12 effective bits on slow signals; the ADC noise-reduction sleep mode silences the core during conversions to lower the noise floor further. The 512B EEPROM stores calibration coefficients per unit, supporting single-point factory calibration. Because the analog supply (AVCC) has its own pin, a ferrite plus 0.1uF filter on AVCC and a 100nF cap on AREF materially improves ADC linearity at the 3-5V supply levels typical of portable instruments.
推荐
Arduino-Compatible Prototyping
The ATmega88PV shares the pinout and register architecture of the Arduino Uno's ATmega328P, so it runs Arduino bootloaders (with a 88P board definition) and most Uno shields that need only 8KB Flash. The 1.8-5.5V picoPower rating makes it attractive for low-power 'LilyPad-style' wearables on 3V coin cells where the Uno's 16 MHz/5V design is excessive. DebugWIRE gives a low-pin-count debug path that Arduino boards normally lack - only the RESET line is required - enabling single-step debugging of sketches in Atmel Studio or MPLAB X. Flash budget is the main constraint: keep libraries lean or step up to the pin-identical ATmega328P.
推荐
Lighting and Display Control
Dimmable LED drivers and backlit display controllers use the ATMEGA88PV-10AU's two 8-bit timers and one 16-bit timer to generate multiple independent PWM channels with hardware, keeping brightness control jitter-free while the CPU handles button scanning and communication. At 5V supply, the strong GPIO drive (20 mA rated per pin per datasheet family specs) directly sources LED columns through resistors, and the TWI master drives I2C LED driver chips for larger panels. The picoPower standby modes let a wall control hold state at microamp draw between touches. Use phase-correct PWM at a few hundred hertz or above to avoid visible flicker in the illuminated area.
推荐
推荐产品汇总
工程参考数据： ATMEGA88PV-10AU ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ATMEGA88PA-AUR | ATMEGA88PB-ANR | ATMEGA88A-AU | ATMEGA88-20AU |
|---|---|---|---|---|---|
| Package | TQFP-32 (7x7 mm) | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same |
| Brand | Microchip Technology (Atmel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Frequency | 10 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| SRAM | 1 KB | 1 KB | 1 KB (plus 88PB extended I/O mapping) | 1 KB | 1 KB |
| Supply Voltage | 1.8 V to 5.5 V (picoPower) | 1.8 V to 5.5 V (picoPower) | 1.8 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| picoPower Low-Power Technology | Yes | Yes | Yes | No | No |
| ADC / Peripherals | 8ch 10-bit ADC, USART, SPI, TWI, 3 timers | Same peripheral set | Same plus added PWM/comparator enhancements | Same peripheral set | Same peripheral set |
关键差异点
- Lowest-voltage picoPower operation in the ATmega88 family （对比 ATMEGA88A-AU)
- Lowest EMI and dynamic power grade （对比 ATMEGA88PA-AUR)
- Legacy availability advantage （对比 ATMEGA88PB-ANR)
设计说明
Decouple each VCC pin (pins 4 and 6) and AVCC (pin 18) with 0.1uF ceramics placed within 5 mm of the pins, plus one 4.7-10uF bulk cap per board. Filter AVCC through an LC (ferrite + 10uF) from VCC when using the ADC near its full 10-bit resolution. Enable the brown-out detector via fuse (e.g. 2.7V threshold for 5V designs) so EEPROM writes and Flash self-programming cannot corrupt memory during supply sag.
Respect the frequency-versus-voltage derating curve: the full 10 MHz rating applies at 4.5-5.5V; near 1.8V the safe maximum drops to the low-MHz region. Designers commonly run a 10 MHz crystal from a 3V coin cell and hit marginal operation. Also note PC6 is RESET by default and must not be used as GPIO unless the RSTDISBL fuse is set - which permanently disables further ISP programming.
The TQFP-32 has two GND pins (3 and 5) and one center GND (21): connect all three to a solid ground pour rather than thin traces to minimize ground bounce on the 8-bit port switching. Keep the AREF trace short with only its decoupling capacitor; do not route fast digital signals (SPI, USART TX) adjacent to ADC channels 0-5 on Port C. Pin 19 and 22 (ADC6/ADC7) are analog-only - reserve them for sensitive inputs.
If using an external crystal on PB6/PB7, follow the datasheet component guidance (typical 12-22 pF load capacitors depending on crystal spec) and keep the loop area small; the picoPower die is sensitive to excessive oscillator drive. For debugWIRE, ensure the RESET line has only a 10k pull-up - a capacitor or heavy load on RESET will break debugWIRE communication until DWEN is cleared.
合规信息
Distributor listings describe green/RoHS-compliant packaging (Mouser: 'TEMP GRN'). Formal REACH and conflict-minerals declarations should be requested from Microchip for the exact ordering code.
