ATMEGA169PV-8AU - AVR 8-Bit MCU 16KB Flash 8MHz | Microchip
部品番号: ATMEGA169PV-8AU ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.72 | $372.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $2.98 | $2,980.00 |
ATMEGA169PV-8AU 概要
An 8-bit AVR microcontroller is an embedded processing IC based on the AVR enhanced RISC architecture, in which most of its 133 powerful instructions execute in a single clock cycle. Within the system hierarchy, a microcontroller IC sits above discrete logic and below application processors, combining CPU, memory, ADC, timers, and I/O in one chip. The ATmega169P family belongs to Microchip's (formerly Atmel) AVR ATmega line of flash-based MCUs.
Key features of the ATMEGA169PV-8AU include 16 KBytes of self-programming flash with boot-code section protection, 512 B of on-chip EEPROM for non-volatile data retention, up to 53 general-purpose I/O lines, an integrated LCD driver that offloads segment driving from firmware, and JTAG boundary-scan plus on-chip debugging. Throughput approaches 1 MIPS per MHz, delivering roughly 8 MIPS at the 8 MHz maximum clock, which lets designers trade clock speed against power consumption.
Architecturally, the device pairs an AVR core with Harvard memory organization, 32 general-purpose working registers directly connected to the ALU, and an on-chip PLL-free clock system supporting crystal, resonator, RC, or external clock sources. The internal 8-channel 10-bit ADC features a programmable-gain differential mode, while three timers with PWM outputs support motor, backlight, and tone-control tasks.
Typical applications include battery-operated metering with LCD displays, appliance user interfaces, sensor hubs using the 10-bit ADC, and industrial control panels where 5 V noise immunity matters.
A key design consideration: select crystals honoring the datasheet's maximum ESR recommendation for 6.5 pF and 9 pF loads, since the oscillator is optimized for very low power rather than high drive.
This page consolidates distributor pricing, drop-in alternatives, design notes, and AEO-optimized FAQs not found together on the manufacturer datasheet.
ドロップイン代替品: ATMEGA169PV-8AU — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ATMEGA169PV-8AU （同一形状・フットプリント） — 相違点: Core Architecture, LCD Controller, Package, Debug Interface, EEPROM Size.
クイック比較ツール — 並列比較する代替部品を選択:
ATMEGA169P-15AT
✅ ドロップイン✓ 在庫あり
$3.6 / 個
データシートを見る →ATMEGA169PA-AU
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ATMEGA169PV-8AUR
✅ ドロップイン✓ 在庫あり
$4.16 / 個
データシートを見る →ATMEGA329PV-8AU
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
ATMEGA165PV-8AU
✅ ドロップイン✓ 在庫あり
$2.49 / 個
データシートを見る →ATMEGA169PV-8AU 最大定格＆電気的特性
| Core Architecture | AVR 8-bit RISC |
| Flash Memory | 16 KB (8K x 16) in-system programmable |
| SRAM | 1 KB |
| EEPROM | 512 B |
| 最大クロック周波数 | 8 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Number of I/O | 53 |
| ADC | 8-channel, 10-bit |
| LCD Controller | Integrated LCD driver |
| Debug / Boundary Scan | JTAG (IEEE 1149.1) on-chip debug |
| Instruction Set | 133 instructions, most single-cycle |
| パッケージ | 64-TQFP, 14 x 14 mm body |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +85C |
| RoHS ステータス | Compliant (PV green suffix) |
| Packaging Option | Tray |
| インターフェース | SPI, UART/USART, JTAG |
ATMEGA169PV-8AU 64-tqfp, 14 x 14 mm body ピン配置ガイド
ATMEGA169PV-8AU (64-tqfp, 14 x 14 mm body パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: ATMEGA169PV-8AU.
詳細は データシート をご参照ください。
主な用途
ATMEGA169PV-8AU の用途: 6 件s: Battery-Powered Metering with LCD Display, Industrial Control Panels, Appliance User Interfaces, Sensor Hubs and Data Acquisition, Portable Medical Monitoring Devices, Automotive Aftermarket and Body Accessories.
Battery-Powered Metering with LCD Display
The ATMEGA169PV-8AU fits battery-powered energy, water, and utility meters because its integrated LCD controller drives segment displays directly and its AVR core reaches throughput near 1 MIPS per MHz, allowing operation at reduced clock for milliamp-to-microamp average current. With 16 KB flash for measurement code and 512 B EEPROM for tariff and consumption records, one chip replaces MCU-plus-LCD-driver two-chip solutions. Placed on a 3 V lithium cell rail, the 2.7 V minimum supply keeps the ADC and LCD functional down to end-of-battery voltage, while the JTAG port supports production calibration and boundary-scan test of the finished board without extra test points.
おすすめ
Industrial Control Panels
In industrial control panels running legacy 5 V logic, the ATMEGA169PV-8AU's 2.7 V to 5.5 V supply range and 53 GPIO lines provide generous noise-margin interfacing to relays, optocouplers, and front-panel keys without level translation. The three timers with PWM outputs drive heater, fan, or motor duty cycles, while the 8-channel 10-bit ADC reads potentiometer setpoints and analog sensor loops. The integrated LCD driver renders status text on segment panels, and JTAG boundary scan simplifies production test of dense TQFP-64 assemblies. Industrial -40C to +85C temperature capability covers unconditioned cabinets, and 16 KB flash accommodates PID control code with communication protocol stacks on SPI or USART.
おすすめ
Appliance User Interfaces
Home-appliance user interfaces, such as oven, washing machine, and coffee-machine front panels, are a classic ATmega169P use case because the chip's LCD segment controller, key-scannable GPIO, buzzer-capable PWM timer, and 16 KB flash all live in one 64-TQFP. The 5 V operation withstands the electrically noisy environment of triac-switched heater loads, and the EEPROM retains user settings and fault codes across power cycles. Single-cycle AVR execution keeps debouncing, tone generation, and display refresh responsive at modest 1-4 MHz clocks, cutting radiated emissions. The JTAG interface supports firmware update jigs used in service centers, and the 53 I/O budget covers relays, sensors, and the full segment matrix simultaneously.
おすすめ
Sensor Hubs and Data Acquisition
The ATMEGA169PV-8AU serves as a compact sensor hub where its 8-channel 10-bit ADC with differential programmable gain reads bridge, thermistor, and current-sense signals, while SPI and USART links offload processed data to radios or host controllers. At 8 MHz the AVR core delivers roughly 8 MIPS, sufficient for oversampling and digital filtering that pushes effective ADC resolution beyond 10 bits in slow signals. The 1 KB SRAM buffers sample blocks for burst transfer, and 512 B EEPROM stores calibration constants written in the field. With 2.7 V operation the same board runs from Li-SOCl2 cells in remote monitoring nodes, and JTAG enables automated end-of-line calibration against a precision reference.
おすすめ
Portable Medical Monitoring Devices
Portable medical monitoring accessories, including patient-carried recorders and point-of-care indicator units, benefit from the ATMEGA169PV-8AU's combination of low-power AVR operation, integrated LCD for patient-facing readouts, and 10-bit ADC for physiological front ends such as pulse-oximeter and temperature channels. The 2.7 V floor allows two-cell alkaline or single lithium designs, and per-MHz throughput scaling lets firmware run the core at 1 MHz during measurement windows to minimize noise and consumption. The 512 B EEPROM holds patient calibration data, and the industrial temperature range plus RoHS green package simplify regulatory documentation. Careful analog layout separating the ADC reference from LCD drive lines preserves measurement fidelity.
おすすめ
Automotive Aftermarket and Body Accessories
In automotive aftermarket body accessories, such as display modules, keypads, and lighting controllers operating from 12 V buses through a 5 V regulator, the ATMEGA169PV-8AU's 5 V tolerance, 53 I/O, and LCD driver consolidate cluster segment displays and switch matrices in one TQFP-64. The 10-bit ADC reads battery sense and analog joystick inputs, PWM timers drive LED dimming with quantum visibility, and the EEPROM stores learned configurations across key-off cycles. JTAG boundary scan supports ICT-based production test demanded by tier suppliers. Note this commercial-grade part is not AEC-Q100 qualified, so restrict use to non-safety, cabin-temperature accessory applications rather than underhood or safety-critical nodes.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ATMEGA169PV-8AU — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ATMEGA169P-15AT | ATMEGA169PA-AU | ATMEGA169PV-8AUR | ATMEGA329PV-8AU | ATMEGA165PV-8AU |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) - same | 64-TQFP (14x14 mm) - same | 64-TQFP (14x14 mm) - same | 64-TQFP (14x14 mm) - same | 64-TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB | 1 KB |
| LCD Controller | Yes | Yes | Yes | Yes | Yes | No |
| Max Clock Speed | 8 MHz | 16 MHz (speed grade 15) | 16 MHz (speed grade varies) | 8 MHz | 8 MHz | 8 MHz |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 1.8 V to 5.5 V (PA wide-voltage) | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Packaging | Tray | Tray | Tray | Tape & Reel | Tray | Tray |
主な差別化要因
- Integrated LCD controller （vs ATMEGA165PV-8AU)
- Double the program memory headroom （vs ATMEGA329PV-8AU (reverse comparison))
- JTAG on-chip debug and boundary scan （vs ATMEGA168PB-AUR)
設計ノート
Crystal selection is the most frequent ATmega169P failure point. The Microchip ATmega169P datasheet (doc8018) states the oscillator is optimized for very low power, and Table 8-7 defines maximum ESR limits for 9 pF and 6.5 pF crystals that must be respected. An over-ESR crystal can fail to start at cold temperature or low VCC even though the bench prototype works. Request the crystal vendor's ESR specification, verify load capacitors total 6.5 pF or 9 pF as intended including PCB stray capacitance, and test startup at -40C and 2.7 V on first silicon.
Decouple VCC and AVCC independently: place 100 nF ceramic capacitors within 3 mm of each supply pin plus a 10 uF bulk capacitor per supply domain. Connect AVCC to VCC through an LC filter when the ADC is used, and route LCD segment traces away from the ADC reference and analog input traces, since LCD drive waveforms couple capacitively into high-impedance analog nodes. Keep the JTAG header footprint populated even if unused, because boundary-scan access greatly simplifies production fault isolation on TQFP-64 assemblies.
Exploit the 1 MIPS-per-MHz scaling for battery designs: running the ATMEGA169PV-8AU at 1 MHz instead of 8 MHz cuts dynamic current roughly eightfold while still providing 1 MIPS for most metering code. Use the AVR power-management sleep modes (power-down with watchdog wake) between measurement windows rather than reducing voltage below 2.7 V, which would compromise flash programming and ADC accuracy. Estimated: at 5 mA active and 1% duty cycle from a 3 V 1000 mAh cell, average drain is 50 uA, giving about 2 years of service life before peripheral quiescent budgeting.
コンプライアンス情報
The PV suffix in the Microchip ordering code denotes the RoHS-compliant, lead-free green package option. No AEC-Q100 qualification is claimed for this commercial/industrial grade AVR part. REACH and conflict-minerals status were not stated in the provided web data.
