ATMEGA169PV-8AUR - 8-bit AVR MCU, LCD, 16KB Flash | Microchip
料号： ATMEGA169PV-8AUR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.34 | $6.34 |
| 10 | $5.71 | $57.10 |
| 100 | $5.14 | $514.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.16 | $4,160.00 |
ATMEGA169PV-8AUR 概述
An 8-bit AVR microcontroller is a reduced-instruction-set (RISC) processor in the broader microcontroller (MCU) hierarchy, integrating flash program memory, SRAM, EEPROM data memory, peripherals, and a CPU core on a single chip. The AVR family is famous for executing most instructions in a single clock cycle, delivering approximately 1 MIPS per MHz of clock speed, which lets designers trade clock rate against power consumption.
Key features of the ATMEGA169PV-8AUR include 131 powerful instructions with mostly single-cycle execution, a fully static core rated to 16 MIPS throughput at 16MHz (8 MIPS at the 8MHz speed grade of this part), an integrated segment LCD driver for driving glass displays directly, and a JTAG interface for on-chip debugging and boundary-scan. The 8-channel 10-bit ADC supports analog sensing such as battery voltage, temperature, and user interfaces.
The picoPower (PV) suffix denotes the low-power AVR variant optimized for battery-operated products, with multiple sleep modes and an internal RC oscillator that removes the need for an external crystal in timing-tolerant designs. Supply operation spans 1.8V to 5.5V, allowing single-cell or coin-cell systems as well as 5V industrial rails.
Typical applications include battery-powered instruments with LCD displays, utility metering, handheld remote controls, and industrial panels that combine a segmented LCD, analog measurement, and modest control logic in one MCU.
A key design consideration is the 8MHz speed grade: if your firmware needs more throughput, pin-compatible 16MHz family members exist within the same TQFP-64 footprint.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： ATMEGA169PV-8AUR ——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： ATMEGA169PV-8AUR （相同外形与封装尺寸） ——差异在于 Package, Flash Program Memory, Instruction Set, LCD Controller, ADC.
快速对比工具——选择替代料号进行并排对比：
ATMEGA169PA-AUR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ATMEGA169P-15AT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.6 / 个
查看数据手册 →ATMEGA169P-16AUR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.1 / 个
查看数据手册 →ATMEGA329P-AU
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ATMEGA649-16AUR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ATMEGA169PV-8AUR 最大额定值与电气特性
| Core Processor | AVR |
| Core Size | 8-Bit |
| Series | AVR(R) ATmega, picoPower |
| 最大时钟频率 | 8 MHz |
| Program Memory Size | 16 KB (8K x 16) FLASH |
| EEPROM Size | 512 x 8 B |
| RAM Size | 1K x 8 B |
| Supply Voltage (Vcc/Vdd) | 1.8 V to 5.5 V |
| Data Converters | A/D 8x10b |
| LCD Controller | Yes, on-chip segment LCD driver |
| Oscillator Type | Internal |
| Connectivity | JTAG interface for on-chip debug |
| 工作温度 | -40C to +85C |
| 封装 / 外壳 | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Throughput | 16 MIPS at 16 MHz (approx. 1 MIPS/MHz) |
| Instructions | 131 instructions, most single-cycle |
ATMEGA169PV-8AUR 64-tqfp (14x14 mm) 引脚配置指南
ATMEGA169PV-8AUR（64-tqfp (14x14 mm) 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： ATMEGA169PV-8AUR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ATMEGA169PV-8AUR 适用于 6 应用s: Battery-Powered Metering Instruments, Handheld Remote Controls and Key Fobs, Industrial Control Panels with LCD, Thermostats and HVAC Controls, POS Terminals and Card Readers, Smart Home Sensor Nodes.
Battery-Powered Metering Instruments
The ATMEGA169PV-8AUR fits utility and panel metering because its picoPower design, 1.8V to 5.5V supply range, and multiple sleep modes extend battery life, while the integrated segment LCD driver eliminates a separate display controller IC. In a typical topology the 8-channel 10-bit ADC samples shunt or divider voltages for energy or level measurement, and the LCD shows readings directly. At 8MHz the AVR core delivers roughly 8 MIPS, ample for metering firmware, and the 16KB FLASH with 512B EEPROM stores calibration constants through power cycles.
推荐
Handheld Remote Controls and Key Fobs
For handheld controllers, the ATMEGA169PV-8AUR combines key-scan GPIO, the on-chip LCD for status icons, and an internal oscillator that removes the crystal and its cost. Running from two alkaline cells (about 3V), the picoPower part spends most of its life in sleep mode and wakes on keypad interrupts, a pattern documented in the ATmega169P datasheet power-management chapter. The 54 general-purpose I/O lines cover dense key matrices, and the 1KB SRAM supports protocol stacks for IR or RF link chips on a SPI/UART connection.
推荐
Industrial Control Panels with LCD
Industrial panels benefit from the ATMEGA169PV-8AUR's 5V-tolerant, 5.5V maximum supply, its industrial temperature rating of -40C to +85C, and the JTAG interface for on-chip debugging during commissioning. The segment LCD shows setpoints and alarms without a graphics stack, keeping firmware small inside 16KB FLASH. Port pins drive relays or optocouplers while the 10-bit ADC reads potentiometers and current sensors. Designers typically use the internal RC oscillator plus a watchdog, and reserve the four JTAG-multiplexed pins for a debug header accessible through the panel service opening.
推荐
Thermostats and HVAC Controls
In thermostat and HVAC controller designs, the ATMEGA169PV-8AUR reads NTC temperature sensors on its 8-channel 10-bit ADC, drives a segmented LCD showing setpoint and mode, and switches relays from port pins, all in one 64-TQFP device operating from a 24V-derived 5V rail. The picoPower sleep modes keep standby consumption low between temperature polls, and the 512B EEPROM retains user settings through outages. The 8MHz clock provides about 8 MIPS, sufficient for PID loops, and JTAG debugging simplifies field-firmware validation on the production board.
推荐
POS Terminals and Card Readers
Point-of-sale peripherals use the ATMEGA169PV-8AUR for its combination of an LCD driver for transaction displays, sufficient GPIO for keypad matrices, and USART connectivity to a main controller or secure element. The AVR core executes most of its 131 instructions in a single cycle, giving predictable timing for card-slot interrupts and key debouncing. Operating at 5V simplifies level compatibility with legacy terminal electronics, while the 1KB SRAM buffers transaction strings. The picoPower variant supports sleep between transactions, reducing idle draw in countertop hardware.
推荐
Smart Home Sensor Nodes
Battery-operated smart home nodes use the ATMEGA169PV-8AUR's internal oscillator and sleep modes to achieve multi-year coin-cell life while a small LCD reports status locally. The 8-channel 10-bit ADC digitizes temperature, humidity, or light sensors directly, and port-change interrupts wake the core from power-down when a door contact or PIR fires. With 1.8V operation the node can run to battery end-of-life, and firmware fits comfortably in 16KB FLASH. Wireless links are added via SPI-connected RF transceivers, with the 1KB SRAM handling modest mesh-protocol buffers.
推荐
推荐产品汇总
工程参考数据： ATMEGA169PV-8AUR ——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 | ATMEGA169PA-AUR | ATMEGA169P-15AT | ATMEGA329P-AU | ATMEGA649-16AUR |
|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum Clock Frequency | 8 MHz | 20 MHz | 15 MHz | 20 MHz | 16 MHz |
| Program Memory (FLASH) | 16 KB | 16 KB | 16 KB | 32 KB | 64 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 2 KB | 4 KB |
| EEPROM | 512 B | 512 B | 512 B | 1 KB | 2 KB |
| Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.7 V to 5.5 V | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| LCD Controller | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Integrated segment LCD driver （对比 ATMEGA168PB-AUR)
- Ultra-wide 1.8V to 5.5V supply range （对比 ATMEGA169P-15AT)
- JTAG on-chip debugging （对比 ATMEGA168PB-AUR)
设计说明
Respect the AVR speed-versus-voltage derating: although the datasheet family curve allows full speed at 5V, low-voltage operation near 1.8V restricts the safe maximum clock. If your board runs from a single Li cell or two NiMH cells, either lower the system clock in firmware as the battery discharges or verify the ATmega169P datasheet speed-grade curves for your worst-case supply. Ignoring this derating causes intermittent failures that appear only at low battery.
The four JTAG pins (TCK, TMS, TDO, TDI) are multiplexed with ADC port pins. Place a 2x5 JTAG header footprint on the PCB even if production boards do not populate it, and avoid dedicating those ADC channels to precision analog signals that a debug probe could disturb during development. Keep decoupling capacitors (100nF per supply pin) within 2mm of the VCC/GND pairs of the 64-TQFP, and connect AVCC to a filtered supply for ADC accuracy.
Estimated: when running from a 5V rail with an upstream switching regulator, add an RC or ferrite filter before AVCC (for example 10 ohm plus 1uF) to keep switching ripple out of the 10-bit ADC, since AVCC is the ADC reference source in default configuration. For battery designs, exploit the picoPower sleep modes and disable the digital input buffers on unused analog pins via the DIDR register to cut leakage, a technique described in the ATmega169P datasheet digital-input-disable section.
合规信息
Verified web data did not include explicit RoHS/REACH statements. Microchip 'AU'-suffix AVR parts are conventionally lead-free green packages, but confirm on the official Microchip product page before BOM release.