ATMEGA164PV-10PU - 8-bit AVR MCU 16KB Flash 40-PDIP | Microchip
料号： ATMEGA164PV-10PU ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.26 | $2.26 |
| 10 | $2.1 | $21.00 |
| 100 | $1.95 | $195.00 |
| 500 | $1.82 | $910.00 |
| 1,000 | $1.7 | $1,700.00 |
ATMEGA164PV-10PU 概述
An 8-bit AVR microcontroller is a single-chip computer that integrates a RISC processor core, program FLASH, data SRAM, EEPROM, timers, serial peripherals, and analog-to-digital conversion on one die. Within the embedded systems hierarchy it belongs to the microcontroller -> embedded processor -> semiconductor taxonomy, sitting below 32-bit MCUs and above simple 8-bit controllers in capability. The AVR architecture executes most of its 133 instructions in a single clock cycle through its 32 general-purpose working registers, delivering up to 10 MIPS at 10 MHz.
Key features include the picoPower technology for ultra-low sleep-mode consumption, 16KB of self-programmable ISP FLASH with read-while-write support, and a rich peripheral set: two USARTs, three flexible timer/counters with compare modes and PWM, a 10-bit ADC, byte-oriented Two-Wire Interface (I2C-compatible), SPI serial port, programmable watchdog timer, internal calibrated RC oscillator, and on-chip debug capability via JTAG. The wide 1.8V to 5.5V supply range and 'V' speed grade make it tolerant of battery voltage sag.
Architecturally, the device uses an advanced Harvard-structure RISC core with single-cycle instruction execution, hardware multiplier support in the ATmega family, and in-system programming via SPI, enabling firmware updates on assembled boards without a socket.
Typical applications include industrial control panels, battery-powered instruments, educational and hobby embedded platforms, and legacy AVR board maintenance where a through-hole 40-pin DIP footprint is required.
When designing with this part, remember the 'PV' suffix denotes a 10 MHz maximum clock at the low-voltage grade; for new designs Microchip recommends the newer ATMEGA164PA family, which is parameter-similar and footprint-compatible.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： ATMEGA164PV-10PU ——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： ATMEGA164PV-10PU （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, EEPROM, Serial Interfaces, Supply Voltage Range.
快速对比工具——选择替代料号进行并排对比：
ATMEGA164A-PU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.15 / 个
查看数据手册 →ATMEGA164PA-PU
✅ 直接替换📋 参考替代料（不在目录中）
ATMEGA324P-PU
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ATMEGA644-PU
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ATMEGA16-16PI
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.72 / 个
查看数据手册 →ATMEGA162-16PU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.1 / 个
查看数据手册 →ATMEGA164PV-10PU 最大额定值与电气特性
| Core Architecture | AVR 8-bit RISC |
| 数据总线宽度 | 8 Bit |
| Program Memory (FLASH) | 16KB (8K x 16) |
| EEPROM | 512B |
| SRAM | 1KB |
| Maximum Clock Speed | 10 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V |
| General Purpose I/O | 32 I/O lines, 4 x 8-bit ports (A-D) |
| Instruction Set | 133 instructions, most single-cycle |
| Performance | Up to 10 MIPS at 10 MHz |
| USART | 2 x USART |
| Timer/Counters | 3 x timer/counters with compare modes and PWM |
| Serial Interfaces | Two-Wire Interface (I2C), SPI, 2 x USART |
| 封装 | 40-PDIP (through-hole, 53.3 mm row spacing typical) |
| Low Power Technology | picoPower |
| Programming / Debug | ISP via SPI, JTAG on-chip debug |
| Lifecycle Stage | Active (newer ATMEGA164PA available) |
ATMEGA164PV-10PU 引脚配置
| 引脚 1 | VCC — Digital supply voltage |
| 引脚 2 | PA0 (ADC0) — Port A bit 0 / ADC channel 0 |
| 引脚 3 | PA1 (ADC1) — Port A bit 1 / ADC channel 1 |
| 引脚 4 | PA2 (ADC2) — Port A bit 2 / ADC channel 2 |
| 引脚 5 | PA3 (ADC3) — Port A bit 3 / ADC channel 3 |
| 引脚 6 | PA4 (ADC4) — Port A bit 4 / ADC channel 4 |
| 引脚 7 | PA5 (ADC5) — Port A bit 5 / ADC channel 5 |
| 引脚 8 | PA6 (ADC6) — Port A bit 6 / ADC channel 6 |
| 引脚 9 | PA7 (ADC7) — Port A bit 7 / ADC channel 7 |
| 引脚 10 | PB0 (XCK0/T0) — Port B bit 0 / USART0 external clock / Timer0 clock input |
| 引脚 11 | PB1 (T1/OC1A) — Port B bit 1 / Timer1 clock input / Timer1 output compare A |
| 引脚 12 | PB2 (INT2/AIN0) — Port B bit 2 / external interrupt 2 / analog comparator input + |
| 引脚 13 | PB3 (OC0/AIN1) — Port B bit 3 / Timer0 output compare / analog comparator input - |
| 引脚 14 | PB4 (SS) — Port B bit 4 / SPI slave select |
| 引脚 15 | PB5 (MOSI) — Port B bit 5 / SPI master output, slave input |
| 引脚 16 | PB6 (MISO) — Port B bit 6 / SPI master input, slave output |
| 引脚 17 | PB7 (SCK/OC2) — Port B bit 7 / SPI clock / Timer2 output compare |
| 引脚 18 | RESET — Active-low reset input (active-low, 10k pull-up recommended) |
| 引脚 19 | VCC — Digital supply voltage |
| 引脚 20 | GND — Ground |
| 引脚 21 | XTAL2 — Crystal oscillator output |
| 引脚 22 | XTAL1 — Crystal oscillator input / external clock input |
| 引脚 23 | PC0 (SCL) — Port C bit 0 / Two-Wire Interface clock |
| 引脚 24 | PC1 (SDA) — Port C bit 1 / Two-Wire Interface data |
| 引脚 25 | PC2 (TCK) — Port C bit 2 / JTAG test clock |
| 引脚 26 | PC3 (TMS) — Port C bit 3 / JTAG test mode select |
| 引脚 27 | PC4 (TDO) — Port C bit 4 / JTAG test data output |
| 引脚 28 | PC5 (TDI) — Port C bit 5 / JTAG test data input |
| 引脚 29 | PC6 (TOSC1) — Port C bit 6 / Timer2 oscillator input (32.768 kHz) |
| 引脚 30 | PC7 (TOSC2) — Port C bit 7 / Timer2 oscillator output (32.768 kHz) |
| 引脚 31 | PD0 (RXD0) — Port D bit 0 / USART0 receive |
| 引脚 32 | PD1 (TXD0) — Port D bit 1 / USART0 transmit |
| 引脚 33 | PD2 (RXD1/INT0) — Port D bit 2 / USART1 receive / external interrupt 0 |
| 引脚 34 | PD3 (TXD1/INT1) — Port D bit 3 / USART1 transmit / external interrupt 1 |
| 引脚 35 | PD4 (OC1B) — Port D bit 4 / Timer1 output compare B |
| 引脚 36 | PD5 (OC1A) — Port D bit 5 / Timer1 output compare A |
| 引脚 37 | PD6 (OC2B/ICP) — Port D bit 6 / Timer2 output compare B / Timer1 input capture |
| 引脚 38 | PD7 (OC2A/OC0A) — Port D bit 7 / Timer2 output compare A / Timer0 output compare A |
| 引脚 39 | AVCC — Analog supply voltage for ADC |
| 引脚 40 | AREF — Analog reference voltage for ADC |
典型应用
ATMEGA164PV-10PU 适用于 6 应用s: Industrial Control Panels, Battery-Powered Instruments, Educational and Hobby Embedded Platforms, Legacy AVR Board Maintenance, Embedded Communication Nodes, Motor and Lighting PWM Control.
Industrial Control Panels
The ATMEGA164PV-10PU fits industrial control and automation panels where a reliable through-hole MCU simplifies prototyping and field repair. Its two independent USARTs allow simultaneous Modbus RTU (RS-485) and HMI/debug (RS-232) channels, while three timer/counters with PWM drive relays, motors, or dimmers. The watchdog timer with separate oscillator recovers from firmware lockups, and the 16KB FLASH with ISP enables firmware updates over the serial line on installed boards. Operating from a 5V industrial rail with the wide 1.8V to 5.5V tolerance, it survives brownout events, and JTAG debugging accelerates commissioning of logic-heavy sequence control code.
推荐
Battery-Powered Instruments
Because picoPower technology gives the ATMEGA164PV-10PU microamp-scale sleep currents and its supply range spans 1.8V to 5.5V, it is well matched to portable meters, loggers, and sensor nodes running from two or three alkaline cells. Power-save and power-down sleep modes with the asynchronous Timer2 keep a real-time clock alive while the CPU sleeps, and the 10-bit ADC samples sensor inputs (temperature, strain, voltage) before waking the core only when thresholds are crossed. The 10 MHz 'V' grade runs the full clock at low battery voltage, so performance does not degrade as cells discharge - a practical advantage over 5V-only ATmega parts.
推荐
Educational and Hobby Embedded Platforms
The 40-PDIP through-hole package of the ATMEGA164PV-10PU is a major asset in education and hobby projects: it is solderable by hand, socketable, and easily replaced after wiring mistakes. The MightyCore Arduino hardware package directly supports the ATmega164, so students can use the Arduino IDE with standard avr-gcc toolchains, and ISP programming needs only six jumper wires from a USBasp or Arduino-as-ISP. With 32 GPIO lines across four ports, two USARTs, and PWM on multiple pins, it drives LCDs, servos, and breadboard prototypes, while the rich register-level documentation teaches fundamentals of timers, interrupts, and serial protocols without hidden silicon complexity.
推荐
Legacy AVR Board Maintenance
Many installed products were designed around ATmega16/32/164 PDIP-40 sockets, and the ATMEGA164PV-10PU, together with its ATMEGA164A/PA siblings, provides a sanctioned replacement path that keeps those boards serviceable without PCB changes. Because the family shares an identical pinout and largely identical register map, service technicians can stock one 16KB part family for multiple board generations, reprogramming existing FLASH images via ISP after replacement. The active lifecycle status of the PA variants means repair stock will remain available long after the PV grade fades from distribution - source both on this page and standardize the newer part for future service kits.
推荐
Embedded Communication Nodes
With two hardware USARTs, a hardware SPI port, and a byte-oriented Two-Wire Interface (I2C), the ATMEGA164PV-10PU can bridge three serial domains in one node - for example RS-485 field bus on USART0, a wireless module on USART1, and I2C sensors plus SPI FLASH in parallel. The USARTs include hardware baud-rate generation and framing-error detection for robust 9600-115200 baud links, while SPI runs at up to master clock/2 for fast external memory. Read-while-write FLASH lets the node log small records into unused program space or update its bootloader, and the 1KB SRAM buffers packets without external RAM in most sensing applications.
推荐
Motor and Lighting PWM Control
The three timer/counters of the ATMEGA164PV-10PU deliver hardware PWM on multiple channels with compare-match outputs, enabling DC motor speed control, servo positioning, and LED dimming without software bit-banging. Two 8-bit timers handle fast PWM for lighting dimming at several kHz, while the 16-bit Timer1 generates servo-accurate 50 Hz pulses or high-resolution motor control with input-capture measurement of feedback (encoder or tachometer) edges. Running the core at 10 MHz provides 8-bit PWM resolution at roughly 39 kHz - above audible range for fan and LED applications - and the 32 GPIO lines leave ample pins for limit switches, displays, and user controls.
推荐
推荐产品汇总
工程参考数据： ATMEGA164PV-10PU ——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 | ATMEGA164A-PU | ATMEGA324P-PU | ATMEGA644-PU | ATMEGA16-16PI |
|---|---|---|---|---|---|
| Package | 40-PDIP | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Memory | 16KB (8K x 16) | 16KB | 32KB | 64KB | 16KB |
| SRAM | 1KB | 1KB | 2KB | 4KB | 1KB |
| EEPROM | 512B | 512B | 1KB | 2KB | 512B |
| Max Clock Speed | 10 MHz | 20 MHz (A grade) | 20 MHz (P grade) | 20 MHz (P grade) | 16 MHz (I grade at 4.5-5.5V) |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.7 V to 5.5 V (V) / 4.5-5.5V at 20MHz | 4.5 V to 5.5 V |
| USARTs | 2 | 2 | 2 | 2 | 1 |
| Low-Power / picoPower | Yes (picoPower) | Yes | Yes (picopower P grade) | Yes (P grade) | No (legacy power modes) |
| JTAG Debug | Yes | Yes | Yes | Yes | Yes (JTAG, no debugWIRE) |
关键差异点
- PicoPower low-current sleep modes with wide 1.8V supply floor （对比 ATMEGA16-16PI)
- Two hardware USARTs for multi-protocol designs （对比 ATMEGA16-16PI)
- Same-footprint memory upgrade path （对比 ATMEGA324P-PU)
- Newer silicon and errata base （对比 ATMEGA164A-PU)
设计说明
Decouple both VCC pins (1 and 19) and AVCC (pin 39) with 100 nF ceramic capacitors placed within a few millimeters of each pin, plus one 4.7-10 uF bulk capacitor per board. AVCC must be connected even if the ADC is unused, otherwise the ADC and in some modes port A misbehave; connect AVCC to VCC through a small LC or RC filter (e.g., 10R + 100 nF) for clean ADC reference supply. AREF should be decoupled with 100 nF to GND when using the internal reference or an external reference on pin 40.
Fuse misconfiguration is the most common failure mode with this part: selecting a crystal source without a crystal, or disabling RESET (RSTDISBL), can render the chip unresponsive. Keep a high-voltage parallel programmer or an external 1-8 MHz clock generator on hand for fuse recovery. Tie RESET (pin 18) to VCC through 10k and optionally add a 100 nF to GND and a diode to VCC for brownout robustness. Verify clock-source fuses before changing CKDIV8 or CKOUT settings in production firmware.
For ISP programming, route MOSI (PB5, pin 15), MISO (PB6, pin 16), SCK (PB7, pin 17), and RESET (pin 18) to a 2x3 (or 2x5) header with short direct traces; add 100R series resistors if those lines also drive noisy loads like MOSFET drivers or LED strings. Keep the 32.768 kHz TOSC crystal (pins 29-30) traces short and guarded from switching signals to preserve the asynchronous Timer2 accuracy used in real-time clock applications.
At 10 MHz with all 32 GPIOs toggling, ground bounce can appear on port pins far from the ground return; use solid ground planes and group related outputs to one port. When driving long cables from the USARTs or SPI, add series termination (33-100R) at the MCU pins and route away from the XTAL lines. If the JTAG interface is unused, disable JTAGEN in fuses to free PC2-PC5 (pins 25-28) as general-purpose I/O - note a JTD bit write sequence is required for run-time enabling.
合规信息
Compliance status was not stated in the retrieved web data; verify against Microchip's official product compliance page before procurement.
