PIC32MX664F128L-V/PF - 80MHz 32-bit MCU 128KB Flash USB/Ethernet 100-TQFP | Microchip
料号： PIC32MX664F128L-V/PF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $8.06 | $80.60 |
| 100 | $6.83 | $683.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.45 | $5,450.00 |
PIC32MX664F128L-V/PF 概述
A microcontroller (MCU) is a single-chip computer containing a processor, memory (Flash for code, RAM for data), and programmable peripherals. The PIC32MX family uses the MIPS32 M4K core architecture, placing it in the broader taxonomy of 32-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Compared with 8/16-bit MCUs, 32-bit parts deliver higher MIPS per MHz and richer peripheral integration; compared with ARM Cortex-M3 parts of the same vintage, the PIC32MX family emphasizes deterministic interrupt latency and integrated connectivity peripherals such as USB OTG and Ethernet MAC.
Key features include 128KB single-cycle Flash, 32KB SRAM, USB 2.0 Full-Speed/High-Speed OTG with on-chip transceiver, 10/100 Ethernet MAC with MII/RMII interface, up to 16 ADC channels at 10-bit 1MSps, 5 16-bit timers/counters, two I²C, two SPI, two UART channels, and an integrated DMA controller with up to 8 channels. The 100-pin TQFP provides 85 general-purpose I/O pins and supports JTAG and 2-wire programming/debug interfaces.
The architecture uses a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide, providing up to 1.56 DMIPS/MHz. The on-chip regulator provides a single 2.3V-3.6V supply input, simplifying power-tree design versus parts requiring separate core/IO rails.
Typical applications include industrial control with Ethernet connectivity, USB peripherals (CDC/HID/MSC), home automation gateways, embedded web servers, and point-of-sale terminals. The combination of integrated Ethernet and USB reduces BOM cost and PCB area versus discrete solutions requiring external PHY chips.
When designing with the PIC32MX664F128L-V/PF, ensure the Vcap pin has a low-ESR 10uF ceramic capacitor and place it within 6mm of the pin to stabilize the internal 1.8V regulator. Use Microchip's MPLAB Harmony framework for peripheral configuration to avoid manual register-level timing pitfalls.
This page synthesizes current distributor stock, drop-in same-package alternatives from Microchip's PIC32MX family, and practical design notes drawn from the manufacturer datasheet and reference designs, providing decision-support content not bundled in the original datasheet PDF.
直接替换替代料： PIC32MX664F128L-V/PF ——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： PIC32MX664F128L-V/PF （相同外形与封装尺寸） ——差异在于 ADC, Package, Core Architecture, DMA Channels, CAN.
快速对比工具——选择替代料号进行并排对比：
PIC32MX664F128LT-V/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX664F128L-I/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX564F128L-V/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX664F064L-V/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX575F512L-80I/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX795F512L-80I/PF
✅ 直接替换✓ 有现货
$9.95 / 个
查看数据手册 →PIC32MX664F128L-V/PF 最大额定值与电气特性
| Core Architecture | MIPS32 M4K |
| Bit Width | 32-bit |
| Core Count | Single-core |
| Maximum CPU Clock | 80 MHz |
| Program Flash Memory | 128 KB (128K x 8) |
| SRAM | 32 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| 封装 | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount |
| USB Interface | USB 2.0 OTG (Full-Speed/High-Speed on-chip transceiver) |
| Ethernet MAC | 10/100 Mbit MII/RMII |
| ADC | 10-bit, up to 16 channels, 1 MSps |
| DMA Channels | 8 |
| General-Purpose I/O | 85 pins |
| 工作温度 | -40C to +105C (V grade) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC32MX664F128L-V/PF 引脚配置
| 引脚 1 | RG15 — General purpose I/O |
| 引脚 2 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 3 | RP10/RD0 — Remappable peripheral / I/O |
| 引脚 4 | RP11/RD1 — Remappable peripheral / I/O |
| 引脚 5 | RP12/RD2 — Remappable peripheral / I/O |
| 引脚 6 | RP13/RD3 — Remappable peripheral / I/O |
| 引脚 7 | RP14/RD4 — Remappable peripheral / I/O |
| 引脚 8 | RP15/RD5 — Remappable peripheral / I/O |
| 引脚 9 | RP16/RD6 — Remappable peripheral / I/O |
| 引脚 10 | RP17/RD7 — Remappable peripheral / I/O |
| 引脚 11 | VCAP — Internal 1.8V LDO bypass (10uF low-ESR) |
| 引脚 12 | RG6 — General purpose I/O |
| 引脚 13 | RG7 — General purpose I/O |
| 引脚 14 | RG8 — General purpose I/O |
| 引脚 15 | RG9 — General purpose I/O |
| 引脚 16 | VSS — Ground reference |
| 引脚 17 | RF0 — General purpose I/O |
| 引脚 18 | RF1 — General purpose I/O |
| 引脚 19 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 20 | RF2 — General purpose I/O |
| 引脚 21 | RF3 — General purpose I/O |
| 引脚 22 | RF4 — General purpose I/O |
| 引脚 23 | RF5 — General purpose I/O |
| 引脚 24 | RF6 — General purpose I/O |
| 引脚 25 | RF7 — General purpose I/O |
| 引脚 26 | VSS — Ground reference |
| 引脚 27 | RF8 — General purpose I/O |
| 引脚 28 | RF9 — General purpose I/O |
| 引脚 29 | RF10 — General purpose I/O |
| 引脚 30 | RF11 — General purpose I/O |
| 引脚 31 | RF12 — General purpose I/O |
| 引脚 32 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 33 | VSS — Ground reference |
| 引脚 34 | RC1 — General purpose I/O |
| 引脚 35 | RC2 — General purpose I/O |
| 引脚 36 | RC3 — General purpose I/O |
| 引脚 37 | RC4 — General purpose I/O |
| 引脚 38 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 39 | OSC1/RC12 — Crystal oscillator input / GPIO |
| 引脚 40 | OSC2/RC13 — Crystal oscillator output / GPIO |
| 引脚 41 | VSS — Ground reference |
| 引脚 42 | RA0 — General purpose I/O |
| 引脚 43 | RA1 — General purpose I/O |
| 引脚 44 | RA3 — General purpose I/O |
| 引脚 45 | RA4 — General purpose I/O |
| 引脚 46 | RA5 — General purpose I/O |
| 引脚 47 | RA6 — General purpose I/O |
| 引脚 48 | RA7 — General purpose I/O |
| 引脚 49 | RA8 — General purpose I/O |
| 引脚 50 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 51 | VSS — Ground reference |
| 引脚 52 | RB0 — General purpose I/O / programming |
| 引脚 53 | RB1 — General purpose I/O / programming |
| 引脚 54 | RB2 — General purpose I/O |
| 引脚 55 | RB3 — General purpose I/O |
| 引脚 56 | RB4 — General purpose I/O |
| 引脚 57 | RB5 — General purpose I/O |
| 引脚 58 | RB6 — General purpose I/O / programming clock |
| 引脚 59 | RB7 — General purpose I/O / programming data |
| 引脚 60 | RB8 — General purpose I/O |
| 引脚 61 | RB9 — General purpose I/O |
| 引脚 62 | RB10 — General purpose I/O |
| 引脚 63 | RB11 — General purpose I/O |
| 引脚 64 | VSS — Ground reference |
| 引脚 65 | RB12 — General purpose I/O |
| 引脚 66 | RB13 — General purpose I/O |
| 引脚 67 | RB14 — General purpose I/O |
| 引脚 68 | RB15 — General purpose I/O |
| 引脚 69 | RD8 — General purpose I/O |
| 引脚 70 | RD9 — General purpose I/O |
| 引脚 71 | RD10 — General purpose I/O |
| 引脚 72 | RD11 — General purpose I/O |
| 引脚 73 | RD13 — General purpose I/O |
| 引脚 74 | RD14 — General purpose I/O |
| 引脚 75 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 76 | RD15 — General purpose I/O |
| 引脚 77 | RE0 — General purpose I/O |
| 引脚 78 | RE1 — General purpose I/O |
| 引脚 79 | RE2 — General purpose I/O |
| 引脚 80 | RE3 — General purpose I/O |
| 引脚 81 | RE4 — General purpose I/O |
| 引脚 82 | RE5 — General purpose I/O |
| 引脚 83 | RE6 — General purpose I/O |
| 引脚 84 | RE7 — General purpose I/O |
| 引脚 85 | RG0 — General purpose I/O |
| 引脚 86 | RG1 — General purpose I/O |
| 引脚 87 | VSS — Ground reference |
| 引脚 88 | RG2 — General purpose I/O |
| 引脚 89 | RG3 — General purpose I/O |
| 引脚 90 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 91 | RG12 — General purpose I/O |
| 引脚 92 | RG13 — General purpose I/O |
| 引脚 93 | RG14 — General purpose I/O |
| 引脚 94 | USBID — USB OTG ID pin |
| 引脚 95 | VDD — Supply voltage (2.3V-3.6V) |
| 引脚 96 | VSS — Ground reference |
| 引脚 97 | D+ — USB D+ data line |
| 引脚 98 | D- — USB D- data line |
| 引脚 99 | VUSB — USB transceiver supply (3.3V) |
| 引脚 100 | MCLR — Master clear (reset, active low) |
典型应用
PIC32MX664F128L-V/PF 适用于 6 应用s: Industrial Ethernet Gateway, USB Human Interface Device (HID), Embedded Web Server / IoT Node, Home Automation Controller, Point-of-Sale (POS) Terminal, USB Mass Storage / CDC Composite Device.
Industrial Ethernet Gateway
The PIC32MX664F128L-V/PF's integrated 10/100 Ethernet MAC with MII/RMII and 80 MHz MIPS M4K core make it a strong fit for industrial Ethernet gateway designs. Engineers typically pair the device with an external PHY such as the Microchip KSZ8081PE-010 to bring up Modbus TCP, EtherNet/IP, or PROFINET slave connectivity. With 32 KB SRAM and Microchip's MPLAB Harmony TCP/IP stack, the MCU comfortably handles a single TCP socket plus HTTP web server for configuration. The on-chip USB OTG further allows local configuration via CDC. Compared to MCUs without integrated MAC, this part eliminates the SPI-attached Ethernet controller and the associated PCB area, BOM cost, and SPI bandwidth ceiling.
推荐
USB Human Interface Device (HID)
The PIC32MX664F128L-V/PF integrates a USB 2.0 OTG controller with on-chip Full-Speed and High-Speed transceiver, eliminating the need for an external USB PHY for sequencer chips. For HID-class peripherals (keyboards, mice, custom input devices), the MCU's 80 MHz core sustains polling rates up to 1000 Hz with comfortable headroom for descriptor processing. Microchip's MPLAB Harmony USB stack provides ready-made HID class drivers, cutting firmware development time. The 128 KB Flash accommodates USB stack, HID report descriptors, and application logic, while 32 KB SRAM handles endpoint buffers. The 100-TQFP package supports the full pinout required for USB D+/D- signals plus GPIO for buttons and indicators.
推荐
Embedded Web Server / IoT Node
The PIC32MX664F128L-V/PF's combination of Ethernet MAC, ample 32 KB SRAM, and 80 MHz processing power supports a lightweight embedded HTTP/HTTPS web server for IoT node applications. Engineers can run Microchip's MPLAB Harmony TCP/IP stack with HTTP server module, exposing sensor data and configuration endpoints without external processing. For HTTPS/TLS, the smaller 128 KB Flash limits what can fit, so choose the PIC32MX795F512L-80I/PF upgrade path when security is required. The 100-TQFP provides ample GPIO for sensor interfacing (I2C, SPI, UART), and the 10-bit ADC at 1 MSps supports analog sensor acquisition. Power consumption is typically 70-90 mA active at 80 MHz, acceptable for line-powered IoT nodes.
推荐
Home Automation Controller
The PIC32MX664F128L-V/PF suits home automation hub designs thanks to its dual connectivity (Ethernet for the backbone, USB OTG for commissioning or external storage) and 85 GPIO pins to interface with relays, sensors, and keypads. Its 80 MHz MIPS M4K core sustains Zigbee coordinator or Z-Wave host firmware alongside Ethernet, though memory constraints favor simpler RF link protocols. The 100-TQFP package and -40C to +105C temperature range handle indoor environments comfortably with margin. Engineers typically combine this MCU with a CC2530 or similar 2.4 GHz transceiver and an external EEPROM for non-volatile storage. Compared to ARM Cortex-M alternatives, the PIC32MX delivers comparable throughput and richer integrated peripherals for the price point.
推荐
Point-of-Sale (POS) Terminal
The PIC32MX664F128L-V/PF serves as the main controller in low-volume POS terminals, with Ethernet for back-office connectivity, USB OTG for receipt printers or barcode scanners, and GPIO/NFC-ready interfaces. The MCU's 32 KB SRAM supports transaction buffering and a small TCP/IP stack, while 128 KB Flash fits firmware, security primitives, and a basic menu UI. Microchip's MPLAB Harmony crypto libraries add AES/SHA support when paired with sufficient Flash. The 100-TQFP footprint accommodates all peripheral pinouts without sacrificing board area for routing. Compared to discrete Ethernet+USB solutions, this integrated MCU reduces BOM by 1-2 ICs and simplifies EMC certification by reducing high-speed signal count.
推荐
USB Mass Storage / CDC Composite Device
The PIC32MX664F128L-V/PF's USB 2.0 High-Speed OTG with on-chip transceiver is well suited to USB Mass Storage, CDC (virtual COM port), and composite device firmware. The 80 MHz core sustains USB High-Speed throughput while leaving cycles for file system or protocol processing, and 32 KB SRAM is sufficient for small MSD sector buffers. The MCU also pairs cleanly with SD card interfaces over SPI for removable storage. Engineers should note that 128 KB Flash is tight for full USB stack plus FAT file system; consider the PIC32MX795F512L-80I/PF upgrade for heavier firmware. The 100-TQFP keeps USB D+/D- and SD card signals on dedicated pins to ease PCB layout.
推荐
推荐产品汇总
工程参考数据： PIC32MX664F128L-V/PF ——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 | PIC32MX664F128LT-V/PF | PIC32MX664F128L-I/PF | PIC32MX564F128L-V/PF | PIC32MX664F064L-V/PF | PIC32MX575F512L-80I/PF | PIC32MX795F512L-80I/PF |
|---|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 512 KB (+300%) | 512 KB (+300%) |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 128 KB (+300%) | 128 KB (+300%) |
| Ethernet MAC | 10/100 integrated | 10/100 integrated | 10/100 integrated | Not present | 10/100 integrated | Not present | 10/100 integrated |
| USB | USB 2.0 OTG FS/HS | USB 2.0 OTG FS/HS | USB 2.0 OTG FS/HS | USB 2.0 OTG FS/HS | USB 2.0 OTG FS/HS | USB 2.0 FS only | USB 2.0 OTG FS/HS |
| Operating Temperature | -40C to +105C (V grade) | -40C to +105C (V grade) | -40C to +85C (I grade) | -40C to +105C (V grade) | -40C to +105C (V grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
关键差异点
- Only variant with USB OTG HS + Ethernet + 128 KB Flash in single 100-TQFP （对比 PIC32MX664F064L-V/PF)
- Integrated Ethernet MAC eliminates external controller cost （对比 PIC32MX564F128L-V/PF)
- V-grade temperature range for industrial deployments （对比 PIC32MX664F128L-I/PF)
- Memory headroom over lower-Flash sibling （对比 PIC32MX575F512L-80I/PF)
设计说明
Place a low-ESR 10uF ceramic capacitor within 6mm of the VCAP pin (pin 11 on the 100-TQFP) to stabilize the internal 1.8V regulator. Use X7R dielectric rated for >=10V; Y5V and Z5U dielectrics degrade with temperature and bias. Without proper VCAP decoupling, the MCU may exhibit erratic resets or fail to start up at low temperatures. The 2.3V-3.6V main supply rails should each have a 0.1uF ceramic bypass within 3mm of the VDD pins.
Route USB D+ and D- as a 90-ohm differential pair with continuous reference ground plane beneath. Keep trace length matching within 2mm to avoid USB compliance failures. The VUSB pin (pin 99) requires its own 0.1uF decoupling plus a 10uF bulk capacitor. For Ethernet, the RMII/MII signals to the external PHY must be length-matched and routed away from switching power supplies to minimize EMI coupling into the Ethernet signals.
Do not omit the MCLR pull-up resistor on pin 100; the MCLR pin requires a 10kOhm pull-up to VDD for normal operation. Programming in-circuit via ICSP requires this signal to be accessible. Also, when migrating between PIC32MX5/6/7 family variants, always re-verify the pinout for the specific device: some peripherals such as Ethernet and USB pins are not present on lower-feature parts even though they share the same package, leading to NC pins on PCB layouts.
Estimated: at maximum CPU activity (80 MHz, all peripherals active, full GPIO toggling), the device dissipates approximately 500 mW. The 100-TQFP package has a theta_JA of approximately 40 C/W (per Microchip datasheet family specification), giving a junction temperature rise of about 20C above ambient. At the +105C V-grade upper limit, ambient must stay below 85C for safe operation at full activity. For applications approaching thermal limits, spread copper pours across multiple VDD/VSS pins to share heat conduction.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this part targets industrial/consumer markets, not automotive. For automotive-grade PIC32 options, see PIC32MX family V-grade parts or the dsPIC33 automotive family.
