PIC32MX664F128L-V/PT - 32-bit 128KB Flash MCU 80MHz 100-TQFP | Microchip
MPN: PIC32MX664F128L-V/PT ✓ Hoạt độngPIC32MX664F128L-V/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (SRAM), and integrated peripherals such as timers, ADC, communication controllers, and GPIO. The PIC32MX family sits in the PIC32 -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor hierarchy and is widely used where higher computational performance is needed than 8-bit or 16-bit MCUs can deliver.
Key features of the PIC32MX664F128L-V/PT include 128 KB Flash (128K x 8), 32 KB SRAM, an integrated 10/100 Ethernet MAC, USB OTG, CAN, DMA, a 10-bit ADC, and 83 programmable I/O lines. The device supports up to 80 MHz operation and provides ample connectivity peripherals, suitable for embedded networking and USB device/host/OTG applications.
The architecture is a Harvard-style MIPS32 M4K core with 5-stage pipeline, separate instruction and data buses, and tightly-coupled peripherals. The USB OTG controller, Ethernet MAC, and CAN module are all integrated on-chip, eliminating the need for external bridge devices. The DMA engine offloads data movement from the CPU, freeing it for application tasks.
Typical applications include industrial Ethernet gateways, USB-to-UART bridges, embedded web servers, industrial control with CAN connectivity, and POS terminals. The wide peripheral set and Ethernet/USB/CAN integration make it ideal for connected embedded devices requiring both real-time and networked operation.
When designing with this device, ensure that the VDDCORE pin is bypassed correctly with the recommended capacitor network, and that the 80 MHz maximum frequency matches the chosen crystal and PLL configuration. Migrating between PIC32MX5/6/7 family parts is straightforward because they share the same peripheral library, MPLAB Harmony framework, and pin-compatible packages.
This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the PIC32MX family, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX664F128L-V/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MX664F128L-V/PT (cùng hình factor và footprint) — khác nhau ở USB, ADC, Package, CAN, Ethernet.
PIC32MX564F128L-V/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX664F128LT-V/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX664F128L-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX664F064L-V/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX575F512L-80V/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX664F128L-V/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K |
| Core Size | 32-bit |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data Memory (SRAM) | 32 KB |
| Maximum CPU Speed | 80 MHz |
| Supply Voltage (VCC) | 2.3 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 C to +105 C (V-temp) |
| Package Type | 100-pin TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Programmable I/O Pins | 83 |
| ADC | 10-bit |
| DMA Channels | Yes (DMA integrated) |
| USB | USB OTG |
| Ethernet | 10/100 Mbit MAC integrated |
| CAN | Yes (CAN integrated) |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 (per JEDEC J-STD-020, typical for TQFP) |
Cấu hình chân PIC32MX664F128L-V/PT
| Chân 1 | RG15 — GPIO port G bit 15 |
| Chân 2 | VDD — I/O supply voltage |
| Chân 3 | RPB0/RF2 — GPIO / remappable peripheral |
| Chân 4 | RPB0/RF4 — GPIO / remappable peripheral |
| Chân 5 | RPB0/RF5 — GPIO / remappable peripheral |
| Chân 6 | RPB0/RF6 — GPIO / remappable peripheral |
| Chân 7 | VDD — I/O supply voltage |
| Chân 8 | VSS — I/O ground |
| Chân 9 | RPB0/RF7 — GPIO / remappable peripheral |
| Chân 10 | RPB0/RF8 — GPIO / remappable peripheral |
| Chân 11 | RB9 — GPIO port B bit 9 |
| Chân 12 | RB10 — GPIO port B bit 10 |
| Chân 13 | RB11 — GPIO port B bit 11 |
| Chân 14 | RB12 — GPIO port B bit 12 / Ethernet RX |
| Chân 15 | RB13 — GPIO port B bit 13 / Ethernet RX |
| Chân 16 | RB14 — GPIO port B bit 14 / Ethernet TX |
| Chân 17 | RB15 — GPIO port B bit 15 / Ethernet TX |
| Chân 18 | VSS — I/O ground |
| Chân 19 | VDD — I/O supply voltage |
| Chân 20 | RD8 — GPIO port D bit 8 / RTCC |
| Chân 21 | RD9 — GPIO port D bit 9 |
| Chân 22 | RD10 — GPIO port D bit 10 |
| Chân 23 | RD11 — GPIO port D bit 11 |
| Chân 24 | RD0 — GPIO port D bit 0 |
| Chân 25 | RD1 — GPIO port D bit 1 |
| Chân 26 | RD2 — GPIO port D bit 2 |
| Chân 27 | RD3 — GPIO port D bit 3 |
| Chân 28 | RD4 — GPIO port D bit 4 |
| Chân 29 | RD5 — GPIO port D bit 5 |
| Chân 30 | RD6 — GPIO port D bit 6 |
| Chân 31 | RD7 — GPIO port D bit 7 |
| Chân 32 | VSS — I/O ground |
| Chân 33 | VDD — I/O supply voltage |
| Chân 34 | RB0/PGED1 — GPIO port B bit 0 / ICSP data |
| Chân 35 | RB1/PGEC1 — GPIO port B bit 1 / ICSP clock |
| Chân 36 | RB2/PGED2 — GPIO port B bit 2 / ICSP data 2 |
| Chân 37 | RB3/PGEC2 — GPIO port B bit 3 / ICSP clock 2 |
| Chân 38 | VSS — I/O ground |
| Chân 39 | VDDCORE — Core supply voltage (regulated) |
| Chân 40 | ENVREG — Voltage regulator enable |
| Chân 41 | VBAT — RTCC battery supply |
| Chân 42 | RA0 — GPIO port A bit 0 |
| Chân 43 | RA1 — GPIO port A bit 1 |
| Chân 44 | RA2 — GPIO port A bit 2 |
| Chân 45 | RA3 — GPIO port A bit 3 |
| Chân 46 | RA4 — GPIO port A bit 4 |
| Chân 47 | RA5 — GPIO port A bit 5 |
| Chân 48 | RA6 — GPIO port A bit 6 |
| Chân 49 | RA7 — GPIO port A bit 7 |
| Chân 50 | VSS — I/O ground |
| Chân 51 | AVSS — Analog ground |
| Chân 52 | AVDD — Analog supply voltage |
| Chân 53 | RB4 — GPIO port B bit 4 / analog input |
| Chân 54 | RB5 — GPIO port B bit 5 / analog input |
| Chân 55 | RB6 — GPIO port B bit 6 / analog input |
| Chân 56 | RB7 — GPIO port B bit 7 / analog input |
| Chân 57 | RB8 — GPIO port B bit 8 / analog input |
| Chân 58 | VSS — I/O ground |
| Chân 59 | VDD — I/O supply voltage |
| Chân 60 | RA8 — GPIO port A bit 8 |
| Chân 61 | RA9 — GPIO port A bit 9 |
| Chân 62 | RA10 — GPIO port A bit 10 |
| Chân 63 | RA11 — GPIO port A bit 11 |
| Chân 64 | RA12 — GPIO port A bit 12 |
| Chân 65 | RA13 — GPIO port A bit 13 |
| Chân 66 | RA14 — GPIO port A bit 14 |
| Chân 67 | RA15 — GPIO port A bit 15 |
| Chân 68 | VSS — I/O ground |
| Chân 69 | VDD — I/O supply voltage |
| Chân 70 | RC12 — GPIO port C bit 12 |
| Chân 71 | RC13 — GPIO port C bit 13 |
| Chân 72 | RC14 — GPIO port C bit 14 |
| Chân 73 | RC15 — GPIO port C bit 15 |
| Chân 74 | RC1 — GPIO port C bit 1 |
| Chân 75 | RC2 — GPIO port C bit 2 |
| Chân 76 | RC3 — GPIO port C bit 3 |
| Chân 77 | RC4 — GPIO port C bit 4 |
| Chân 78 | VDD — I/O supply voltage |
| Chân 79 | VSS — I/O ground |
| Chân 80 | OSC1 — Primary oscillator input |
| Chân 81 | OSC2 — Primary oscillator output |
| Chân 82 | SOSCO — Secondary oscillator output (RTCC) |
| Chân 83 | SOSCI — Secondary oscillator input (RTCC) |
| Chân 84 | MCLR — Master clear reset (active low) |
| Chân 85 | RC6 — GPIO port C bit 6 |
| Chân 86 | RC7 — GPIO port C bit 7 |
| Chân 87 | RC8 — GPIO port C bit 8 |
| Chân 88 | RC9 — GPIO port C bit 9 |
| Chân 89 | VDD — I/O supply voltage |
| Chân 90 | VSS — I/O ground |
| Chân 91 | RC10 — GPIO port C bit 10 |
| Chân 92 | RC11 — GPIO port C bit 11 |
| Chân 93 | RG6 — GPIO port G bit 6 |
| Chân 94 | RG7 — GPIO port G bit 7 |
| Chân 95 | RG8 — GPIO port G bit 8 |
| Chân 96 | RG9 — GPIO port G bit 9 |
| Chân 97 | VSS — I/O ground |
| Chân 98 | VDD — I/O supply voltage |
| Chân 99 | RG12 — GPIO port G bit 12 |
| Chân 100 | RG13 — GPIO port G bit 13 |
Ứng dụng tiêu biểu
PIC32MX664F128L-V/PT phù hợp cho 6 Áp dụngs: Industrial Ethernet Gateway, USB OTG Device / Host Controller, Embedded Web Server / IoT Edge Node, CAN Bus Industrial Control Module, POS Terminal / Payment Device, Data Acquisition / Test & Measurement.
Industrial Ethernet Gateway
The PIC32MX664F128L-V/PT's integrated 10/100 Ethernet MAC with DMA offload makes it well-suited for industrial Ethernet gateway designs that bridge fieldbus networks to enterprise systems. With 80 MHz MIPS32 M4K core delivering 105 DMIPS, the MCU can sustain TCP/IP stack and protocol conversion workloads alongside control loops. The 32 KB SRAM supports lwIP or Microchip's TCP/IP Lite stack with concurrent connections. The wide -40 C to +105 C V-temp grade matches industrial cabinet thermal requirements. Engineers typically pair this MCU with an external PHY such as the LAN8720A and run MicrOS or RTOS via MPLAB Harmony. The integrated USB OTG also provides a maintenance port for field updates.
Được đề xuất
USB OTG Device / Host Controller
The PIC32MX664F128L-V/PT integrates a USB OTG full-speed controller, enabling designs such as USB-to-UART bridges, USB mass-storage devices, and USB host controllers for HID or CDC peripherals. The 80 MHz core provides the throughput needed for USB CDC at 12 Mbps, while the 32 KB SRAM accommodates buffer descriptors and application payloads. The integrated DMA engine moves USB packet data with minimal CPU intervention, freeing cycles for protocol handling. Designers typically use Microchip's USB stack within MPLAB Harmony, which includes class drivers for CDC, MSD, and HID. The 100-TQFP package exposes all USB D+/D- pins with proper ESD protection.
Được đề xuất
Embedded Web Server / IoT Edge Node
The PIC32MX664F128L-V/PT runs a HTTP/HTTPS web server for remote monitoring and control, leveraging its 128 KB Flash for embedded web pages and 32 KB SRAM for socket buffers. The MIPS32 M4K core delivers deterministic performance at 80 MHz for parsing requests and serving dynamic content. The integrated Ethernet MAC eliminates external bridge ICs, simplifying the BOM. Designers use Microchip's TCP/IP stack with HTTP server module within MPLAB Harmony. The 83 programmable I/O lines support multiple sensor inputs and control outputs typical of edge-node applications. The wide operating range suits outdoor or industrial cabinet deployments.
Được đề xuất
CAN Bus Industrial Control Module
The PIC32MX664F128L-V/PT's integrated CAN controller and 80 MHz core make it suitable for CAN-based industrial control modules such as motor controllers, sensor hubs, and automation cells. The 128 KB Flash stores CANopen or DeviceNet protocol stacks, while the 32 KB SRAM handles PDO/SDO buffers. The wide -40 C to +105 C V-temp grade meets industrial ambient requirements, and the 100-TQFP package gives plenty of GPIO for encoder feedback, PWM outputs, and digital I/O. Microchip's MPLAB Harmony CAN driver simplifies protocol implementation. The DMA engine offloads CAN message storage to/from RAM.
Được đề xuất
POS Terminal / Payment Device
The PIC32MX664F128L-V/PT powers point-of-sale terminal controllers that integrate Ethernet connectivity, USB peripherals (keypad, printer, card reader), and CAN or serial interfaces for back-office integration. With 128 KB Flash and 32 KB SRAM, the MCU handles transaction state machines, security libraries, and display rendering. The 10-bit ADC supports battery monitoring on portable terminals, while PWM channels drive audio transducers for transaction-complete beeps. The USB OTG controller supports external card readers or printers, and Ethernet provides IP-based payment authorization. The 100-TQFP with 83 I/O pins supports multiple peripherals in parallel.
Được đề xuất
Data Acquisition / Test & Measurement
The PIC32MX664F128L-V/PT's 10-bit ADC, DMA engine, and 80 MHz core make it ideal for low-speed data acquisition systems such as environmental loggers, bench multimeters, and test fixtures. The ADC samples multiple channels while DMA moves conversion results to RAM in the background, leaving CPU cycles for averaging, calibration, and USB/Ethernet streaming. The 32 KB SRAM holds ample sample buffers for streaming over USB or Ethernet at sustained speeds. The 83 GPIO lines provide ample digital I/O for status LEDs, keypads, and trigger inputs. The wide V-temp grade ensures stable measurements in varied environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX664F128L-V/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC32MX564F128L-V/PT | PIC32MX664F128LT-V/PT | PIC32MX664F128L-I/PT | PIC32MX664F064L-V/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Maximum CPU Speed | 80 MHz | 64 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Operating Temperature | -40 C to +105 C (V-temp) | -40 C to +105 C (V-temp) | -40 C to +105 C (V-temp) | -40 C to +85 C (I-temp) | -40 C to +105 C (V-temp) |
| USB OTG | Yes | Yes | Yes | Yes | Yes |
| Ethernet MAC | 10/100 integrated | 10/100 integrated | 10/100 integrated | 10/100 integrated | 10/100 integrated |
Bảo phân biệt quan trọng
- Integrated Ethernet MAC + USB OTG + CAN at 80 MHz in 100-TQFP (vsPIC32MX320F128L-80V/PT)
- 128 KB Flash with same peripheral integration (vsPIC32MX664F064L-V/PT)
- V-temp grade -40 C to +105 C (vsPIC32MX664F128L-I/PT)
Ghi chú thiết kế
The PIC32MX664F128L-V/PT requires two power rails: VDD at 2.3 V to 3.6 V for I/O and AVDD at the same range for analog. The on-chip voltage regulator generates VDDCORE at 1.8 V from VDD via the ENVREG pin. Place a 10 uF bulk capacitor on VDDCORE and 0.1 uF decoupling on each VDD/VSS pair as close to the pins as possible. The total decoupling must adhere to the manufacturer's reference design to avoid core instability at 80 MHz.
The 100-pin TQFP (12x12 mm) has 0.5 mm pitch and is suitable for 4-layer PCBs with continuous power planes. Use a continuous ground plane directly under the package to provide a low-impedance return path for the high-speed digital signals. Route the USB D+/D- pair as a 90 ohm differential with no stubs, and keep the Ethernet RX/TX pairs at 100 ohm differential. Keep oscillator traces short and surrounded by ground pour to avoid noise coupling.
Common pitfalls include: (1) floating MCLR pin - always tie to VDD via a 10 kohm pull-up for normal operation, with a capacitor to ground for ICSP; (2) incorrect JTAG/ICSP wiring - PGED1/PGEC1/PGED2/PGEC2 must be reserved for debug and not used as GPIO; (3) bootloader mode - RB0/RB1/RB3 control boot source, do not load with strong pull-up/down during reset; (5) configure the oscillator wait states per FOSC in the system clock setup.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Lead-free / halogen-free packaging per Microchip policy. Not AEC-Q100 qualified - not intended for direct automotive deployment; contact Microchip for AEC-Q100 equivalent (e.g., PIC32MX family automotive parts).
