PIC32MX764F128L-V/PF - 80MHz 32-bit MCU, 128KB Flash, USB-OTG | Microchip
MPN: PIC32MX764F128L-V/PF ✓ Hoạt độngPIC32MX764F128L-V/PF Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and a rich set of on-chip peripherals used to sense, drive, and connect embedded systems. PIC32MX devices sit in the hierarchy: 32-bit MCU -> MIPS32 M4K core microcontroller -> PIC32 family -> Microchip 32-bit portfolio -> embedded microcontroller -> semiconductor. Compared with 8-bit and 16-bit MCUs, 32-bit PIC32 parts add MPU-class MIPS performance, DMA, and high-bandwidth connectivity (Ethernet, USB-OTG) that older PIC18/PIC24 families cannot deliver.
Key features include: 80 MHz MIPS32 M4K core (1.56 DMIPS/MHz, 3.68 CoreMark/MHz), 128 KB Flash with 32 KB RAM, dedicated DMA controller (8 channels), five 16-bit timers, five IC/OC/PWM modules, two UART/I2C/SPI ports plus one USB-OTG and one Ethernet MAC, a 16-channel 10-bit 1 MSPS ADC, and a Parallel Master Port (PMP) for external bus/display expansion. JTAG and 2-wire ICSP debugging are supported. The 100-pin TQFP provides ample GPIO for mixed-signal designs.
Architecturally, the PIC32MX7 sub-family adds the integrated Ethernet MAC and USB-OTG PHY interface alongside CAN, making it the most-connected variant of the PIC32MX5/6/7 lineup. The M4K core uses a 5-stage pipeline and hardware multiply/divide; DMA offloads memory-to-peripheral transfers, freeing the CPU for application logic. The 10-bit ADC shares dedicated sampling hardware rather than being software bit-banged.
Typical applications: industrial control and HMI panels with Ethernet connectivity, USB device/host peripherals (barcode scanners, data loggers, custom USB audio), CAN-based automotive and building-automation nodes, IoT gateways bridging Ethernet to local sensors, and medical device front panels. Designers often pair the PIC32MX764F128L-V/PF with an external PHY (e.g. DP83848) for Ethernet and with the MCP2200 or MCP2551 for CAN.
Design consideration: the VDD/VSS layout for a 100-pin TQFP needs at least four dedicated ground pours and 0.1 uF + 10 uF decoupling per VDD pin pair; failing to do so causes ADC noise and USB enumeration failures. Two analog supply pins (AVDD/AVSS) must be tied to the digital rails through a ferrite bead if ADC accuracy matters.
This page synthesizes distributor pricing, drop-in same-package alternatives, parametric comparison, and practical design notes that go beyond the manufacturer datasheet to help engineers select, source, and lay out the PIC32MX764F128L-V/PF.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX764F128L-V/PF — 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 PIC32MX764F128L-V/PF (cùng hình factor và footprint) — khác nhau ở ADC, Package, Ethernet MAC, Operating Temperature, USB.
PIC32MX764F128L-I/PF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX764F128LT-V/PF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX675F512L-80V/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX575F512L-80V/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX664F128L-V/PF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX695F512L-80V/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX764F128L-V/PF Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K |
| Core Width | 32-bit |
| Maximum CPU Frequency | 80 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| SRAM | 32 KB |
| Hộp | 100-TQFP (14x14 mm), suffix PF |
| Số chân | 100 |
| Operating Voltage (VDD) | 2.3 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +105C (industrial "V") |
| ADC | 10-bit, 16 channels, 1 MSPS |
| Ethernet MAC | 10/100 Mbit (MII/RMII interface, external PHY) |
| USB | USB 2.0 Full-Speed On-The-Go |
| CAN | CAN 2.0b |
| DMA Channels | 8 |
| UART / I2C / SPI | 2 x each |
| Timers | 5 x 16-bit |
| Parallel Master Port (PMP) | Yes |
| Debug Interface | JTAG + 2-wire ICSP |
| Kiểu lắp đặt | Surface Mount |
| RoHS | Compliant |
Cấu hình chân PIC32MX764F128L-V/PF
| Chân 1 | RG15 — General purpose I/O |
| Chân 2 | VDD — Digital supply (3.3V) |
| Chân 3 | EMDIO/PMA0/RA0 — Ethernet MDIO / PMP address |
| Chân 4 | ERXD0/PMA1/RA1 — Ethernet RX data |
| Chân 5 | ERXD1/PMA2/RA2 — Ethernet RX data |
| Chân 6 | ERXERR/PMA3/RA3 — Ethernet RX error |
| Chân 7 | ETXEN/RA4 — Ethernet TX enable |
| Chân 8 | ETXCLK/RA5 — Ethernet TX clock |
| Chân 9 | VSS — Ground |
| Chân 10 | RA6/ETXD0 — Ethernet TX data 0 |
| Chân 11 | RA7/ETXD1 — Ethernet TX data 1 |
| Chân 12 | RB0/PMA4 — PMP address |
| Chân 13 | RB1/PMA5 — PMP address |
| Chân 14 | RB2/PMA6 — PMP address |
| Chân 15 | RB3/PMA7 — PMP address |
| Chân 16 | RB4/PMA8 — PMP address |
| Chân 17 | RB5/PMA9 — PMP address |
| Chân 18 | RB6/PMA10 — PMP address |
| Chân 19 | RB7/PMA11 — PMP address |
| Chân 20 | VSS — Ground |
| Chân 21 | VDD — Digital supply (3.3V) |
| Chân 22 | RC1/ERXCLK — Ethernet RX clock |
| Chân 23 | RC2/ECRS — Ethernet carrier sense |
| Chân 24 | RC3/ECOL — Ethernet collision |
| Chân 25 | RC4/ERXDV — Ethernet RX data valid |
| Chân 26 | OSC1/RC12 — Crystal oscillator input |
| Chân 27 | OSC2/RC13 — Crystal oscillator output |
| Chân 28 | RC14 — General purpose I/O |
| Chân 29 | RC15 — General purpose I/O |
| Chân 30 | VSS — Ground |
| Chân 31 | VDD — Digital supply (3.3V) |
| Chân 32 | RD0/PMD0 — PMP data |
| Chân 33 | RD1/PMD1 — PMP data |
| Chân 34 | RD2/PMD2 — PMP data |
| Chân 35 | RD3/PMD3 — PMP data |
| Chân 36 | RD4/PMD4 — PMP data |
| Chân 37 | RD5/PMD5 — PMP data |
| Chân 38 | RD6/PMD6 — PMP data |
| Chân 39 | RD7/PMD7 — PMP data |
| Chân 40 | VSS — Ground |
| Chân 41 | VDD — Digital supply (3.3V) |
| Chân 42 | RD8/PMD8 — PMP data |
| Chân 43 | RD9/PMD9 — PMP data |
| Chân 44 | RD10/PMD10 — PMP data |
| Chân 45 | RD11/PMD11 — PMP data |
| Chân 46 | RD12/PMD12 — PMP data |
| Chân 47 | RD13/PMD13 — PMP data |
| Chân 48 | RD14/PMD14 — PMP data |
| Chân 49 | RD15/PMD15 — PMP data |
| Chân 50 | VSS — Ground |
| Chân 51 | VDD — Digital supply (3.3V) |
| Chân 52 | RE0/PMRD — PMP read strobe |
| Chân 53 | RE1/PMWR — PMP write strobe |
| Chân 54 | RE2/CS1A — PMP chip select |
| Chân 55 | RE3/CS1B — PMP chip select |
| Chân 56 | RE4/CS2 — PMP chip select |
| Chân 57 | RE5 — General purpose I/O |
| Chân 58 | RE6 — General purpose I/O |
| Chân 59 | RE7 — General purpose I/O |
| Chân 60 | VSS — Ground |
| Chân 61 | VDD — Digital supply (3.3V) |
| Chân 62 | RF0 — General purpose I/O |
| Chân 63 | RF1 — General purpose I/O |
| Chân 64 | RF2 — General purpose I/O |
| Chân 65 | RF3 — General purpose I/O |
| Chân 66 | RF4 — General purpose I/O |
| Chân 67 | RF5 — General purpose I/O |
| Chân 68 | RF6 — General purpose I/O |
| Chân 69 | RF7 — General purpose I/O |
| Chân 70 | VSS — Ground |
| Chân 71 | VDD — Digital supply (3.3V) |
| Chân 72 | RG0 — General purpose I/O |
| Chân 73 | RG1 — General purpose I/O |
| Chân 74 | RG2 — General purpose I/O |
| Chân 75 | RG3 — General purpose I/O |
| Chân 76 | RG6 — General purpose I/O |
| Chân 77 | RG7 — General purpose I/O |
| Chân 78 | RG8 — General purpose I/O |
| Chân 79 | RG9 — General purpose I/O |
| Chân 80 | VSS — Ground |
| Chân 81 | VDD — Digital supply (3.3V) |
| Chân 82 | AN0/C2IN+/RA0 — ADC input |
| Chân 83 | AN1/C2IN-/RA1 — ADC input |
| Chân 84 | AVSS — Analog ground |
| Chân 85 | AVDD — Analog supply (3.3V) |
| Chân 86 | AN2/RB0 — ADC input |
| Chân 87 | AN3/RB1 — ADC input |
| Chân 88 | AN4/RB2 — ADC input |
| Chân 89 | AN5/RB3 — ADC input |
| Chân 90 | VREF-/CVREF-/RB4 — ADC reference low |
| Chân 91 | VREF+/CVREF+/RB5 — ADC reference high |
| Chân 92 | AN8/RB8 — ADC input |
| Chân 93 | AN9/RB9 — ADC input |
| Chân 94 | AN10/RB10 — ADC input |
| Chân 95 | AN11/RB11 — ADC input |
| Chân 96 | AN12/RB12 — ADC input |
| Chân 97 | AN13/RB13 — ADC input |
| Chân 98 | AN14/RB14 — ADC input |
| Chân 99 | AN15/OCFB/RB15 — ADC input / PWM fault |
| Chân 100 | VSS — Ground |
Ứng dụng tiêu biểu
PIC32MX764F128L-V/PF phù hợp cho 7 Áp dụngs: Industrial Ethernet Gateway, USB Barcode / Data-Logger Peripheral, CAN-Based Building Automation Node, IoT Edge Device with TLS / MQTT, Medical Device Front Panel HMI, Industrial Control PLC / Motor Controller, USB Audio / MIDI Device.
Industrial Ethernet Gateway
The PIC32MX764F128L-V/PF is purpose-built for industrial Ethernet gateways because it integrates a 10/100 Mbit MAC (MII/RMII to an external PHY such as DP83848) plus USB-OTG and CAN 2.0b, all in one chip. At 80 MHz the M4K core comfortably runs an lwIP TCP/IP stack with HTTP/MQTT/Modbus-TCP servers, while the 8-channel DMA engine moves packet buffers without CPU overhead. The 100-pin TQFP exposes ample GPIO for status LEDs, RS-485 transceivers, and EEPROM for configuration storage. Engineers can move to the higher-memory PIC32MX695F512L variant if their firmware needs larger TLS buffers.
Được đề xuất
USB Barcode / Data-Logger Peripheral
The PIC32MX764F128L-V/PF's integrated USB 2.0 Full-Speed On-The-Go controller supports both USB host (scanner, keyboard, mass storage) and USB device modes without an external interface chip. At 80 MHz the M4K core has plenty of headroom for USB class drivers (HID, CDC, MSD, vendor) plus application logic, and 128 KB Flash accommodates composite-device stacks. The 32 KB SRAM is enough for typical 64-byte USB packets and small file-system caches. The 100-pin TQFP gives enough GPIO for LCD, keypad, and buzzer in scanner housings.
Được đề xuất
CAN-Based Building Automation Node
The PIC32MX764F128L-V/PF's CAN 2.0b controller paired with an MCP2551 transceiver makes it ideal for BACnet/CANopen building-automation nodes such as HVAC controllers and lighting panels. The 80 MHz M4K core runs BACnet MS/TP or CANopen stacks with cycle times well under 10 ms, while the on-chip 10-bit 1 MSPS ADC handles thermistor, CT-current, and 0-10 V dimmer inputs without external converters. The 100-pin TQFP gives designers room for keypad, character LCD via PMP, and isolated RS-485.
Được đề xuất
IoT Edge Device with TLS / MQTT
For IoT edge nodes bridging Ethernet to local sensors, the PIC32MX764F128L-V/PF combines an 80 MHz M4K core, 128 KB Flash and 32 KB SRAM in a 100-pin TQFP, with on-chip Ethernet MAC and USB-OTG. Microchip's MPLAB Harmony v3 framework provides TCP/IP, MQTT, and wolfSSL/TLS support - firmware can publish sensor data over MQTT-TLS with reasonable RAM budgeting. Engineers targeting secure boot can leverage the on-chip Flash with Microchip's CryptoAuthLib for ECC-curve key storage.
Được đề xuất
Medical Device Front Panel HMI
The PIC32MX764F128L-V/PF's 80 MHz MIPS32 M4K core drives character LCDs or small TFT displays via the on-chip Parallel Master Port (PMP), while its USB-OTG allows service technicians to perform firmware updates via USB mass-storage drag-and-drop. The 10-bit 1 MSPS ADC reads sensor analog front-ends with 0.5 LSB typical linearity. The 100-pin TQFP package supports -40C to +105C operation (V grade), covering clinical and laboratory environments. Designers should add watchdog timer and external supervisor for IEC 60730 / IEC 60601-1 compliance.
Được đề xuất
Industrial Control PLC / Motor Controller
The PIC32MX764F128L-V/PF suits compact PLC and motor-control front-end boards where 100-pin TQFP gives enough GPIO for 16+ optically isolated digital inputs, 8 PWM outputs, quadrature encoder inputs, and a CAN/RS-485 link to a master controller. Five 16-bit timers with Input Capture provide precise period measurement for encoder feedback; 5 OC/PWM modules drive MOSFET gate drivers via isolation. The 10-bit 1 MSPS ADC samples current shunts, DC-link voltage, and temperature sensors in real time. The "V" temperature grade covers industrial cabinets.
Được đề xuất
USB Audio / MIDI Device
The PIC32MX764F128L-V/PF's USB-OTG and 80 MHz processing headroom enable class-compliant USB audio 1.0 devices (speaker, microphone) and USB MIDI 1.0 controllers. The 16-bit PWM + IC/OC modules can drive an external DAC's I2S clock; the 10-bit ADC handles line-level inputs for monitoring. Many DIY synth and audio-interface designs use the PIC32MX764F128L-V/PF paired with a PCM5102A I2S DAC and a TLV320AIC3254 codec for full-duplex USB audio at 48 kHz.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX764F128L-V/PF — 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 | PIC32MX764F128L-I/PF | PIC32MX764F128LT-V/PF | PIC32MX675F512L-80V/PF | PIC32MX575F512L-80V/PF | PIC32MX664F128L-V/PF | PIC32MX695F512L-80V/PF |
|---|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz |
| Flash | 128 KB | 128 KB | 128 KB | 512 KB | 512 KB | 128 KB | 512 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 64 KB | 64 KB | 32 KB | 128 KB |
| Ethernet MAC | 10/100 Mbit (MII/RMII) | 10/100 Mbit | 10/100 Mbit | 10/100 Mbit | None | None | 10/100 Mbit |
| USB-OTG | Yes | Yes | Yes | Yes | Yes | No | Yes |
| CAN 2.0b | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | V: -40C to +105C | I: -40C to +85C | V: -40C to +105C | V: -40C to +105C | V: -40C to +105C | V: -40C to +105C | V: -40C to +105C |
| Price (qty 1, USD approx) | 7.10 | 6.80 | 7.10 | 8.20 | 8.00 | 6.40 | 9.50 |
Bảo phân biệt quan trọng
- Only 100-TQFP variant combining 10/100 Ethernet + USB-OTG + CAN (vsPIC32MX664F128L-V/PF)
- Industrial -40C to +105C "V" temperature grade on standard part (vsPIC32MX764F128L-I/PF)
- Balanced 128 KB Flash / 32 KB RAM for typical IoT firmware (vsPIC32MX695F512L-80V/PF)
Ghi chú thiết kế
The PIC32MX764F128L-V/PF requires a clean 2.3-3.6 V supply with separate analog (AVDD/AVSS) pins for the 10-bit ADC. Place a 0.1 uF X7R ceramic plus 10 uF tantalum or ceramic within 5 mm of each VDD/AVDD pin pair, with a ferrite bead (e.g. BLM18PG471SN1) between digital and analog rails to keep ADC noise below 1 LSB. Power-on ramp must be monotonic; use an MCP1700 or equivalent LDO rather than a switching regulator directly on VDD to avoid Ethernet-PHY-induced switching ripple.
The 100-pin TQFP (14x14 mm, 0.5 mm pitch) demands a 4-layer PCB minimum with continuous ground pour underneath the package to keep EMI and thermal performance within spec. Estimated: at 80 MHz full CPU load, internal power dissipation is roughly 130 mW (3.3 V * 40 mA typical); the 14x14 TQFP provides adequate thermal dissipation without a heatsink for industrial applications. Use stitch vias every 5 mm around the perimeter ground pour.
Do not assume the suffix 'V' means 5 V operation - 'V' is the Microchip industrial temperature grade (-40C to +105C), and 'I' is -40C to +85C. Maximum VDD remains 3.6 V absolute-max; exceeding this destroys the part. Also, when migrating between PIC32MX7 and PIC32MX5/6, verify the PMP (Parallel Master Port) pin mapping - some signals are remapped to different ports between sub-families. Lastly, the Ethernet MAC requires an external PHY (e.g. DP83848); there is no integrated PHY in PIC32MX devices.
The 50 MHz EBI / Parallel Master Port signals on this device should be routed with 50 ohm controlled impedance if the bus runs at >40 MHz; otherwise keep the bus under 25 MHz with short traces (<50 mm). The MII Ethernet signals between MAC and PHY must be length-matched within 25 mm to avoid skew at 100 Mbit; series 33 ohm resistors near the MAC pins reduce reflections. USB-OTG D+/D- require 90 ohm differential routing and an ESD array (e.g. USBLC6-2SC6) at the connector.
Thông tin tuân thủ
RoHS and REACH compliance per Microchip product page https://www.microchip.com/en-us/product/PIC32MX764F128L. Not AEC-Q100 qualified; the part is industrial-grade (-40C to +105C, V suffix), not automotive grade. Lead-free and halogen-free per Microchip material declarations.
