ATMEGA168V-10MUR - 8-bit AVR MCU 16KB Flash 10MHz | Microchip
料号： ATMEGA168V-10MUR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.06 | $4.06 |
| 10 | $3.72 | $37.20 |
| 100 | $3.35 | $335.00 |
| 500 | $3.02 | $1,510.00 |
| 1,000 | $2.75 | $2,750.00 |
ATMEGA168V-10MUR 概述
An 8-bit microcontroller integrates a processor core, memory, and peripherals on a single chip, forming the lowest tier of the embedded processor hierarchy (MCU -> embedded processor -> application processor). The AVR family, originally developed by Atmel and now part of Microchip Technology, executes most of its 131 powerful instructions in a single clock cycle, delivering up to 10 MIPS throughput at 10MHz.
Key features include 1.8V to 5.5V operation - the widest voltage range in the ATmega168 family, enabled by the V-grade silicon - plus 23 programmable I/O lines, an 8-channel 10-bit ADC, three flexible timer/counters, and on-chip debugWIRE debugging. Serial interfaces comprise SPI and I2C-compatible TWI, with a full-duplex USART for communications. Self-programming Flash supports in-system programming (ISP) and read-while-write operation.
Architecturally, the AVR uses a Harvard structure with 32 general-purpose working registers directly connected to the ALU, allowing two independent register accesses in a single instruction. Two-cycle multiply and in-system self-programming round out the feature set for cost-sensitive embedded designs.
Typical applications include battery-powered portable devices (exploiting sub-1uA-class power-down modes at 1.8V), industrial sensor nodes, and consumer appliance control boards.
For design, allow programming/debug access to PB5-PB7 and RESET, and place 100nF decoupling on each VCC/AVCC pair.
This page adds value beyond the datasheet with distributor pricing tiers, same-package drop-in alternatives, and practical design notes.
直接替换替代料： ATMEGA168V-10MUR ——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： ATMEGA168V-10MUR （相同外形与封装尺寸） ——差异在于 Package, Timers/Counters, Operating Temperature, Communication Interfaces, Lifecycle Status.
快速对比工具——选择替代料号进行并排对比：
ATMEGA168PV-10MU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.35 / 个
查看数据手册 →ATMEGA168PA-MU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.72 / 个
查看数据手册 →ATMEGA168A-MUR
✅ 直接替换✓ 有现货
$1.85 / 个
查看数据手册 →ATMEGA168PB-MU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.31 / 个
查看数据手册 →ATMEGA168P-20MUR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.58 / 个
查看数据手册 →ATMEGA168-20MUR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.12 / 个
查看数据手册 →ATMEGA168V-10MUR 最大额定值与电气特性
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 10 MHz |
| Flash Memory | 16 KB (8K x 16) |
| EEPROM | 512 B |
| SRAM | 1 KB |
| Supply Voltage Range | 1.8 V to 5.5 V |
| Number of I/O | 23 |
| ADC Resolution | 10-bit |
| ADC Channels | 8 |
| Timers/Counters | 3 (two 8-bit, one 16-bit) |
| Communication Interfaces | SPI, TWI (I2C), USART |
| Instructions | 131 (mostly single-cycle) |
| Throughput | Up to 10 MIPS at 10 MHz |
| Debug / Programming | debugWIRE, ISP (self-programming Flash) |
| 工作温度 | -40C to +85C |
| 封装 | 32-VQFN (5x5 mm) exposed pad |
| 安装类型 | Surface Mount |
| Life Cycle Stage | ACTIVE |
ATMEGA168V-10MUR 引脚配置
| 引脚 1 | PD3 — Port D bit 3 (GPIO / PWM output) |
| 引脚 2 | PD4 — Port D bit 4 (GPIO / XCK, Timer0 external clock) |
| 引脚 3 | GND — Ground |
| 引脚 4 | VCC — Digital supply voltage (1.8V to 5.5V) |
| 引脚 5 | GND — Ground |
| 引脚 6 | VCC — Digital supply voltage |
| 引脚 7 | PB6 — Port B bit 6 / XTAL1 (crystal) / TOSC1 (32 kHz timer oscillator) |
| 引脚 8 | PB7 — Port B bit 7 / XTAL2 (crystal) / TOSC2 |
| 引脚 9 | PD5 — Port D bit 5 (GPIO / T1, OC0B PWM) |
| 引脚 10 | PD6 — Port D bit 6 (GPIO / AIN0 analog comparator, OC0A PWM) |
| 引脚 11 | PD7 — Port D bit 7 (GPIO / AIN1 analog comparator) |
| 引脚 12 | PB0 — Port B bit 0 (GPIO / ICP1 input capture / OC1A) |
| 引脚 13 | PB1 — Port B bit 1 (GPIO / OC1A PWM) |
| 引脚 14 | PB2 — Port B bit 2 (GPIO / SS SPI slave select / OC1B) |
| 引脚 15 | PB3 — Port B bit 3 (GPIO / MOSI SPI / OC2A PWM) |
| 引脚 16 | PB4 — Port B bit 4 (GPIO / MISO SPI) |
| 引脚 17 | PB5 — Port B bit 5 (GPIO / SCK SPI) |
| 引脚 18 | AVCC — Analog supply voltage for ADC (connect to VCC) |
| 引脚 19 | ADC6 — Analog input channel 6 (dedicated) |
| 引脚 20 | AREF — Analog reference voltage for ADC |
| 引脚 21 | GND — Ground |
| 引脚 22 | ADC7 — Analog input channel 7 (dedicated) |
| 引脚 23 | PC0 — Port C bit 0 (GPIO / ADC0) |
| 引脚 24 | PC1 — Port C bit 1 (GPIO / ADC1) |
| 引脚 25 | PC2 — Port C bit 2 (GPIO / ADC2) |
| 引脚 26 | PC3 — Port C bit 3 (GPIO / ADC3) |
| 引脚 27 | PC4 — Port C bit 4 (GPIO / ADC4 / SDA TWI) |
| 引脚 28 | PC5 — Port C bit 5 (GPIO / ADC5 / SCL TWI) |
| 引脚 29 | PC6 — Port C bit 6 / RESET (active-low reset) |
| 引脚 30 | PD0 — Port D bit 0 (GPIO / RXD USART) |
| 引脚 31 | PD1 — Port D bit 1 (GPIO / TXD USART) |
| 引脚 32 | PD2 — Port D bit 2 (GPIO / INT0 external interrupt) |
典型应用
ATMEGA168V-10MUR 适用于 6 应用s: Battery-Powered Portable Devices, Industrial Sensor Nodes, Consumer Appliance Control, Hobby, Education, and Maker Electronics, Automotive Body and Comfort Subsystems (Non-Safety), IoT Edge Nodes and Wireless Sensor Endpoints.
Battery-Powered Portable Devices
The ATMEGA168V-10MUR's 1.8V minimum supply allows direct operation from a single alkaline or NiMH cell, eliminating boost-converter cost and quiescent drain in handheld meters, remote controls, and wearable accessories. Its AVR power management unit provides idle, power-down, power-save, and standby modes; in power-down the core stops while the asynchronous timer can keep a realtime clock running. Placing the MCU between battery and sensor load with 100nF decoupling on both VCC pins yields clean 10-bit ADC readings. For the longest battery life, the pin-compatible picoPower ATMEGA168PV-10MU further reduces power-down current, but the V-grade already supports year-class standby in low-duty-cycle sampling designs where the MCU wakes a few times per second.
推荐
Industrial Sensor Nodes
In factory sensor nodes and transmitters, the ATMEGA168V-10MUR combines an 8-channel 10-bit ADC with a -40C to +85C industrial temperature rating, digitizing up to eight analog channels such as 4-20mA loops, thermistor bridges, or potentiometer feedback. The TWI (I2C) and SPI ports connect external EEPROM, displays, or isolation devices, while the USART streams data over RS-485 via an external transceiver. The 16KB self-programming Flash supports field firmware updates through a bootloader, a key maintenance benefit for hard-to-reach installations. The 32-VQFN exposed pad solders to a ground pour, improving thermal cycling robustness on industrial PCBs exposed to vibration and wide ambient swings.
推荐
Consumer Appliance Control
White-goods and small-appliance control boards use the ATMEGA168V-10MUR for keypad scanning, relay/triac control, and LED indication at low BOM cost. Three timer/counters - two 8-bit and one 16-bit - generate hardware PWM for motor speed control, heater phase-angle dimming, or buzzer tones without CPU intervention, keeping interrupt latency predictable. The 23 GPIO lines drive seven-segment or small LCD segments through external drivers, and the internal RC oscillator eliminates the crystal when clock accuracy requirements are modest, freeing PB6/PB7 as extra I/O. The 1.8V to 5.5V range lets one firmware image serve both battery and mains-derived 3.3V or 5V supply architectures across a product family.
推荐
Hobby, Education, and Maker Electronics
The ATmega168 core is the MCU inside classic Arduino-class boards, making the ATMEGA168V-10MUR a natural choice for educational kits and maker projects. Extensive open-source tooling - AVR-GCC, avrdude, MPLAB X with XC8, and Arduino bootloaders - plus countless community libraries lower the learning curve to minutes. In-system programming through the 6-pin ISP header (MOSI, MISO, SCK, RESET, VCC, GND) allows reprogramming directly on the target board with an AVR ISP mkII or USBasp. The debugWIRE single-wire interface needs only the RESET line for on-chip debugging, so students can step code without dedicating hardware-breakpoint pins, and the 10-bit ADC reads analog sensors natively.
推荐
Automotive Body and Comfort Subsystems (Non-Safety)
For non-safety automotive comfort modules such as seat-position memory, mirror control, or interior LED ambient lighting, the ATMEGA168V-10MUR provides robust peripheral control from a single low-cost MCU, with the A-grade sibling ATMEGA168V-10AUR offering the automotive-temperature option for harsher zones. The MCU's watchdog timer, brown-out detector, and power-on reset deliver dependable reset behavior against automotive supply transients, complementing external load-dump protection. Hardware SPI communicates with LIN or CAN gateways through external transceivers, while the 16-bit timer captures input pulses from hall-effect position sensors. Designs should verify qualification requirements, since this standard part is not itself AEC-Q100 qualified; use the appropriate automotive-grade variant where mandated.
推荐
IoT Edge Nodes and Wireless Sensor Endpoints
As the edge controller of sub-GHz RF or Bluetooth modules, the ATMEGA168V-10MUR handles sensor polling, packet formatting, and power sequencing while the radio sleeps. Its USART interfaces directly to wireless modules' AT-command sets, SPI drives low-power RF transceivers, and the 10-bit ADC reads battery voltage and local sensors without an external converter. Duty-cycled firmware wakes the MCU from power-down on watchdog or pin-change interrupts, transmits in tens of milliseconds at 10MHz, and returns to sleep, achieving very low average current for coin-cell nodes. The 32 general-purpose registers and single-cycle ALU handle protocol stacking efficiently, and the exposed-pad VQFN keeps the footprint small on crowded sensor PCBs.
推荐
推荐产品汇总
工程参考数据： ATMEGA168V-10MUR ——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 | ATMEGA168PV-10MU | ATMEGA168PA-MU | ATMEGA168A-MUR | ATMEGA168PB-MU | ATMEGA168P-20MUR |
|---|---|---|---|---|---|---|
| Package | 32-VQFN (5x5 mm) EP | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Speed | 10 MHz | 10 MHz | 20 MHz capable | 20 MHz capable | 20 MHz capable | 20 MHz |
| Flash / SRAM / EEPROM | 16KB / 1KB / 512B | 16KB / 1KB / 512B | 16KB / 1KB / 512B | 16KB / 1KB / 512B | 16KB / 2KB / 512B | 16KB / 1KB / 512B |
| Low-Power Technology | Standard V-grade | picoPower | picoPower | Standard | picoPower | picoPower |
| Firmware Compatibility | Baseline ATmega168 | Binary compatible | Binary compatible (check errata) | Binary compatible (check errata) | Source recompile needed (registers differ) | Binary compatible (check errata) |
| Lifecycle Position | Active (newer A/P/PB available) | Active | Active | Active (recommended successor) | Active (latest generation) | Active |
关键差异点
- True 1.8V operation for single-cell designs （对比 ATMEGA168P-20MUR)
- Lowest-risk firmware drop-in within the family （对比 ATMEGA168PB-MU)
- picoPower variants trade zero PCB change for much lower sleep current （对比 ATMEGA168PV-10MU)
- Trade-off: lower clock ceiling than newer grades （对比 ATMEGA168PA-MU)
设计说明
Connect both VCC pins (4 and 6) and AVCC (pin 18) to the same 1.8V-5.5V rail, each with a 100nF ceramic capacitor placed within 2 mm of the pin, plus one 4.7uF-10uF bulk capacitor per board. AVCC must never lag VCC at power-up or the ADC port pins can latch up; a series 10uH inductor plus 100nF to AVCC can be used when ADC noise from the digital rail is a concern. Tie all three GND pins (3, 5, 21) and the exposed pad to the ground plane.
The 32-VQFN exposed pad is the primary thermal and ground path - solder it to a via-stitched ground pour (a 3x3 via array under the pad) rather than leaving it unsoldered, or ground integrity and reflow reliability both suffer. This is an MSL-sensitive MLF package: bake per J-STD-033 if the moisture-barrier bag is exceeded, and use a no-clean flux profile with adequate voiding control under the pad. Pin 1 is identified by the chamfered corner / dot; verify orientation against the datasheet package drawing before stencil cutout.
PC6/RESET (pin 29) doubles as the debugWIRE pin: once the DWEN fuse is set, external reset no longer works until debugWIRE is disabled, which can look like a 'bricked' part on the production line - keep a serial/ISP recovery path. PB6/PB7 default to the crystal function; using them as GPIO requires clearing the CKOUT/low-crystal fuses. When substituting ATMEGA168PB-MU, remember its registers differ - binary images compiled for the original will misbehave. Also confirm brown-out threshold fuses are set appropriately for the chosen supply voltage (1.8V designs need the lowest BOD level).
合规信息
The M in the ordering code denotes Microchip matte-tin (green/RoHS) lead-free plating. Formal REACH, halogen-free, and conflict-minerals declarations were not present in the provided data and should be confirmed from the Microchip product page.
