ATMEGA88V-10AUR - 8KB AVR MCU 10MHz 32-TQFP | Microchip
料号： ATMEGA88V-10AUR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.74 | $3.74 |
| 10 | $3.55 | $35.50 |
| 100 | $3.3 | $330.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.85 | $2,850.00 |
ATMEGA88V-10AUR 概述
A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory and peripherals on one die, sitting at the lowest level of the embedded-system hierarchy: microcontroller -> embedded processor -> digital IC -> semiconductor. The AVR ATmega family is an 8-bit reduced-instruction-set (RISC) architecture executing most of its 130 instructions in a single clock cycle, delivering throughput close to 1 MIPS per MHz.
Key features include the picoPower technology set for low active and sleep currents, 8KB of self-programmable Flash with read-while-write support, three flexible timer/counters (two 8-bit and one 16-bit), an 8-channel 10-bit ADC, and debugWIRE on-chip debugging using only the reset line. The V speed grade limits clocking to 10 MHz but permits the full 2.7 V to 5.5 V supply range, unlike the 20 MHz ATmega88A variants.
Architecturally, the device pairs 32 general-purpose working registers directly with the ALU, avoiding accumulator bottlenecks. In-system serial programming (ICSP) over SPI allows firmware updates after board assembly, and the boot-loader-capable Flash enables field upgrades.
Typical applications include battery-powered industrial sensors, HVAC and appliance control boards, and consumer or instrumentation products where 5 V operation and wide supply tolerance are required.
Design consideration: keep the 10 MHz speed grade in mind when porting code written for 20 MHz ATmega88A parts; loop timing, UART baud tables and PWM frequencies scale directly with F_CPU.
This page adds value beyond the datasheet by consolidating distributor pricing, drop-in same-package alternatives, and practical cross-reference guidance in one citable source.
直接替换替代料： ATMEGA88V-10AUR ——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： ATMEGA88V-10AUR （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Packaging, ADC, Working Registers.
快速对比工具——选择替代料号进行并排对比：
ATMEGA88A-AU
✅ 直接替换✓ 有现货
$1.52 / 个
查看数据手册 →ATMEGA88PA-AUR
✅ 直接替换✓ 有现货
$0.82 / 个
查看数据手册 →ATMEGA88V-10AU
✅ 直接替换✓ 有现货
$1.58 / 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 →ATMEGA168V-10AUR
✅ 直接替换✓ 有现货
$3.95 / 个
查看数据手册 →ATMEGA88PV-10MUR
✅ 直接替换✓ 有现货
$0.86 / 个
查看数据手册 →ATMEGA88V-10AUR 最大额定值与电气特性
| Core Architecture | 8-bit AVR RISC |
| Flash Memory | 8 KB (4K x 16) ISP Flash |
| SRAM | 1 KB |
| EEPROM | 512 B |
| 最大时钟频率 | 10 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| I/O Lines | 23 |
| Timers/Counters | Two 8-bit, one 16-bit |
| ADC | 8-channel, 10-bit |
| Working Registers | 32 x 8-bit general purpose |
| Instructions | 130 instructions, most single-cycle |
| Throughput | Up to 10 MIPS (1 MIPS/MHz) |
| On-Chip Debug | debugWIRE |
| Low Power Technology | picoPower |
| 封装 | 32-TQFP, 7 x 7 mm, 1 mm height, 0.8 mm pitch |
| 工作温度 | Industrial (-40C to +85C) |
| Packaging | Tape & Reel (R suffix) |
| Programming Interface | ICSP (SPI) and self-programming boot loader |
ATMEGA88V-10AUR 32-tqfp, 7 x 7 mm, 1 mm height, 0.8 mm pitch 引脚配置指南
ATMEGA88V-10AUR（32-tqfp, 7 x 7 mm, 1 mm height, 0.8 mm pitch 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： ATMEGA88V-10AUR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ATMEGA88V-10AUR 适用于 6 应用s: Battery-Powered Industrial Sensors, Appliance and HVAC Control Boards, Consumer Electronics Firmware (Arduino-compatible), Instrumentation and Test Adapters, Motor and Relay Control Subsystems, Security and Access Control Devices.
Battery-Powered Industrial Sensors
The ATMEGA88V-10AUR suits battery-operated sensor nodes because its picoPower technology delivers microamp-class power-down currents and multiple sleep modes, while the 2.7 V to 5.5 V supply range lets the MCU run directly from three alkaline cells without a boost converter. The 8-channel 10-bit ADC digitizes analog sensor outputs such as pressure, humidity or level signals without an external converter, and the 16-bit timer generates precise measurement gates. Deployed between the sensor front end and a wireless link over SPI/USART, it samples periodically, computes in the 1KB SRAM buffer and sleeps between readings. At the 10 MHz V speed grade, active current is lower than 20 MHz parts, extending battery life in duty-cycled logging applications.
推荐
Appliance and HVAC Control Boards
White-goods and HVAC controllers benefit from the ATMEGA88V-10AUR's combination of 23 I/O lines for relays and buttons, three timer/counters for PWM fan or blower control, and industrial -40C to +85C temperature rating. The wide 2.7-5.5 V supply tolerates unregulated transformer-derived rails common in appliance power sections, while the watchdog timer and brown-out detector provide the fault robustness required for unattended equipment. Firmware runs from 8KB Flash with boot-loader field-update capability, letting service teams update control logic through ICSP. The 10-bit ADC reads NTC thermistors for temperature loops, and the 16-bit timer produces 0-100% PWM for heater or compressor staging with hardware precision.
推荐
Consumer Electronics Firmware (Arduino-compatible)
The ATmega88 core is code-compatible with the Arduino Uno's ATmega328P instruction set, so the ATMEGA88V-10AUR can run scaled-down Arduino boot loaders and sketches in cost-sensitive consumer products such as LED controllers, toys and small gadgets. The 8KB Flash accommodates compact sketches plus boot loader, the 1KB SRAM handles typical library variables, and debugWIRE enables debugging through the reset pin without extra pins. Operating the V grade at 2.7-5.5 V allows direct USB 5 V or battery 3 x AA supply designs. Developers typically clock the part from a 16 MHz crystal with F_CPU reconfigured, or retain 10 MHz for lower EMI and current consumption in finished goods.
推荐
Instrumentation and Test Adapters
Bench instruments, calibration adapters and data-acquisition pods use the ATMEGA88V-10AUR for front-panel control and serial communication. Its 130-instruction AVR RISC core executes at 1 MIPS per MHz, providing deterministic timing for calibration sequences, while the 10-bit ADC with internal reference captures analog setpoints and diagnostics. debugWIRE allows single-wire in-circuit debugging through the existing RESET line - valuable in dense test fixtures where probe access is limited. The 512B EEPROM stores calibration constants that survive firmware updates, and ICSP permits reprogramming without desoldering. USART and SPI/TWI interfaces link the MCU to host processors, DACs and front-panel displays over long production lifetimes.
推荐
Motor and Relay Control Subsystems
The ATMEGA88V-10AUR drives small DC motors, fans and relay banks using its two 8-bit timers plus one 16-bit timer for complementary PWM outputs and hardware dead-time style sequencing. Four PWM-capable channels control H-bridge drivers or LED dimming, while the 23 GPIO lines handle limit switches and interlock inputs with internal pull-ups. The industrial temperature grade and brown-out detection keep motor state machines safe across supply dips and cold-start conditions typical of factory floors running from 24 V systems regulated down into the MCU's 2.7-5.5 V window. ADC inputs monitor motor current via shunt sensors for stall detection, and the watchdog timer guarantees recovery from firmware lock-ups.
推荐
Security and Access Control Devices
Door controllers, keypads and simple alarm panels use the ATMEGA88V-10AUR's TWI (I2C) and SPI interfaces to read RFID or touch memory tokens, drive LCD segments and operate lock relays. The 512B EEPROM holds access codes and event counters through power interruptions, and the picoPower sleep modes keep standby drain low in battery-backup installations. The wide 2.7-5.5 V operating range rides through backup-battery discharge without brown-outs when the brown-out detector is configured. Its ICSP boot loader enables on-site firmware updates for credential-format changes. The 10-bit ADC also monitors enclosure tamper and backup-battery voltage levels, reporting status over USART or TWI to the panel master.
推荐
推荐产品汇总
工程参考数据： ATMEGA88V-10AUR ——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 | ATMEGA88A-AU | ATMEGA88PA-AUR | ATMEGA88V-10AU | ATMEGA168V-10AUR |
|---|---|---|---|---|---|
| Package | TQFP-32 (7x7 mm) | TQFP-32 - same | TQFP-32 - same | TQFP-32 - same | TQFP-32 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 16 KB |
| Maximum Clock | 10 MHz | 20 MHz | 20 MHz | 10 MHz | 10 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 1.8 V to 5.5 V (PA grade) | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Low-Power Technology | picoPower (V grade) | Standard A process | picoPower (improved PA) | picoPower (V grade) | picoPower (V grade) |
| Packaging Option | Tape & Reel | Tray | Tape & Reel | Tray/Tube | Tape & Reel |
关键差异点
- Wide 2.7-5.5 V supply at full 10 MHz speed （对比 ATMEGA88A-AU)
- Lower dynamic power than faster A/PA variants （对比 ATMEGA88PA-AUR)
- Same footprint with double Flash upgrade path （对比 ATMEGA168V-10AUR)
设计说明
Decouple VCC (pin 7 in TQFP) and AVCC with 100 nF ceramic capacitors placed within 5 mm of each pin, plus a 10 uF bulk capacitor per supply rail. Connect AVCC to VCC through an LC low-pass filter (10 uH + 100 nF) when using the 10-bit ADC, because AVCC is the ADC reference source in VCC-referenced mode. Tie AREF to ground through 100 nF when using internal reference. Estimated: at 10 MHz and 5 V, active current of this V-grade device is in the single-digit mA class per family datasheet - budget sleep current using picoPower power-down figures for battery sizing.
Route the crystal (XTAL1/XTAL2 on pins 9/10, shared with PB6/PB7) with short traces and guard with ground pour; keep the RESET trace short and add an external 10 k pull-up plus 100 nF to ground for robust in-field ICSP. Reserve the 6-pin ICSP header footprint even in cost-down designs - debugWIRE and boot-loader updates use it. The 7 x 7 mm, 0.8 mm pitch TQFP is hand-solderable with a drag tip, but specify a nominal 0.65 mm-wide pad pattern per IPC land-pattern guidance for reflow yield.
The V speed grade caps F_CPU at 10 MHz across the full 2.7-5.5 V range; code ported from 16 or 20 MHz ATmega88 parts must have F_CPU, UART baud registers and delay libraries updated or timing will be wrong. SPI programming must be disabled (RSTDISBL avoided) or ICSP access is lost permanently. ADC6/ADC7 are analog-only pins without digital I/O capability - do not route digital signals to them. When substituting the PB variant, review the ATmega88PB migration app note since peripheral enhancements change some register addresses.
合规信息
FindIC lists the ATMEGA88V-10AUR as 'IND TEMP, GREEN, T&R' indicating green (RoHS-compliant) packaging. Verify REACH and conflict-minerals declarations via Microchip's compliance portal for this exact MPN.
