PIC32MX230F064B-I/ML - 40MHz 32-bit MCU, 64KB Flash | Microchip
MPN: PIC32MX230F064B-I/ML ✓ Hoạt độngPIC32MX230F064B-I/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. The PIC32MX230 sits in the 32-bit MCU tier, above 8-bit/16-bit microcontrollers (e.g., PIC16, PIC24) and below application processors (e.g., Cortex-A, i.MX). Within the power-management hierarchy, MCUs integrate clock, reset, and supply supervision, reducing external component count for compact designs. As a member of the RISC microcontroller family, it executes most instructions in one cycle, delivering deterministic performance for real-time control.
Key features include 64 KB Flash, 16 KB SRAM, two I2S/SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible pin mapping, and a Parallel Master Port (PMP) for graphics or external memory interfacing. The device also integrates mTouch capacitive touch hardware, 1 ns high-resolution time measurement, on-chip temperature sensing, and five 16-bit general-purpose timers plus five input-capture/output-compare/PWM modules. Hardware multiply/divide and prefetch cache accelerate 32-bit math while keeping active current under 0.5 mA/MHz.
Architecturally, the M4K core runs instructions through a 5-stage pipeline with hardware MAC support, and PPS allows nearly every digital peripheral to be remapped to multiple pins. This decoupling of peripheral-to-pin assignments simplifies PCB layout, particularly in 28-pin QFN designs where pin count is limited. The 6x6 mm QFN package exposes a thermal pad to manage dissipation during sustained 40 MHz operation.
Typical applications include IoT edge nodes, USB audio devices, low-cost graphics HMI with PMP-driven TFT displays, capacitive touch user interfaces, and industrial sensor hubs. The combination of PPS, USB, and mTouch makes it especially strong in consumer appliances and human-interface products.
When designing with this part, plan pin assignments using the PPS tool in MPLAB X early; commit the mapping in firmware to lock the pinout. Ensure the exposed pad is soldered to a continuous ground pour for thermal and electrical performance.
This page synthesizes distributor pricing, drop-in same-family alternatives, and design notes not consolidated on the manufacturer datasheet, giving engineers a faster procurement and design start.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX230F064B-I/ML — 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 PIC32MX230F064B-I/ML (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, Core Architecture, RAM.
PIC32MX250F128B-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX270F256B-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX130F064B-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX170F256B-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX150F128B-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX120F032B-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX230F064B-I/ML Tỷ lệ tối đa & tính chất điện
| Core | MIPS32 M4K |
| Core Size | 32-bit Single-Core |
| Maximum CPU Frequency | 40 MHz |
| DMIPS | 66 DMIPS |
| Program Memory | 64 KB Flash |
| RAM | 16 KB SRAM |
| Supply Voltage Range | 2.3 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 °C to +85 °C (Industrial) |
| I/O Pins | 21 |
| Hộp | 28-QFN (6x6 mm) with Exposed Pad |
| Kiểu lắp đặt | Surface Mount |
| I2S/SPI Modules | 2 |
| 16-bit Timers | 5 |
| Input Capture / Output Compare / PWM | 5 |
| Parallel Master Port (PMP) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| mTouch Capacitive Touch Hardware | Yes |
| USB | Full-Speed USB 2.0 Device |
| On-chip Temperature Sensor | Yes |
| Active Current | < 0.5 mA/MHz |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX230F064B-I/ML
| Chân 1 | RA0 — I/O port A bit 0 / analog input AN0 / PPS remappable |
| Chân 2 | RA1 — I/O port A bit 1 / analog input AN1 / PPS remappable |
| Chân 3 | RA2 — I/O port A bit 2 / analog input AN2 / PPS remappable |
| Chân 4 | RA3 — I/O port A bit 3 / analog input AN3 / PPS remappable |
| Chân 5 | RA4 — I/O port A bit 4 / analog input AN4 / PPS remappable |
| Chân 6 | AVDD — Analog supply voltage |
| Chân 7 | AVSS — Analog ground |
| Chân 8 | RB0 — I/O port B bit 0 / PGED1 / programming data |
| Chân 9 | RB1 — I/O port B bit 1 / PGEC1 / programming clock |
| Chân 10 | RB2 — I/O port B bit 2 / USB D+ / PPS remappable |
| Chân 11 | RB3 — I/O port B bit 3 / USB D- / PPS remappable |
| Chân 12 | RB4 — I/O port B bit 4 / SDA1 / PPS remappable |
| Chân 13 | RB5 — I/O port B bit 5 / SCL1 / PPS remappable |
| Chân 14 | RB6 — I/O port B bit 6 / PPS remappable |
| Chân 15 | RB7 — I/O port B bit 7 / PPS remappable |
| Chân 16 | VSS — Digital ground |
| Chân 17 | VDD — Digital supply voltage |
| Chân 18 | RB8 — I/O port B bit 8 / PPS remappable |
| Chân 19 | RB9 — I/O port B bit 9 / PPS remappable |
| Chân 20 | RB10 — I/O port B bit 10 / PPS remappable |
| Chân 21 | RB11 — I/O port B bit 11 / PPS remappable |
| Chân 22 | RB12 — I/O port B bit 12 / PPS remappable |
| Chân 23 | RB13 — I/O port B bit 13 / PPS remappable |
| Chân 24 | RB14 — I/O port B bit 14 / PPS remappable |
| Chân 25 | RB15 — I/O port B bit 15 / PPS remappable |
| Chân 26 | OSC1 — Crystal oscillator input |
| Chân 27 | OSC2 — Crystal oscillator output |
| Chân 28 | MCLR — Master clear / reset input |
Ứng dụng tiêu biểu
PIC32MX230F064B-I/ML phù hợp cho 6 Áp dụngs: USB Audio Device Controller, Capacitive Touch HMI, Industrial Sensor Hub, IoT Edge Node with USB Diagnostics, Low-Cost Graphics Display Controller, Portable Consumer Electronics.
USB Audio Device Controller
The PIC32MX230F064B-I/ML's integrated USB 2.0 Full-Speed device controller, two I2S/SPI modules, and 64 KB Flash make it well-suited for USB audio peripherals such as USB speakers, headsets, and digital microphones. Running the M4K core at 40 MHz, the MCU can manage USB isochronous audio streaming while feeding an external codec over I2S with deterministic 1 ms frame timing. PPS allows I2S bit-clock and word-select to be routed to any convenient I/O, simplifying PCB layout. With 16 KB SRAM, small USB descriptors and audio buffer pools fit comfortably. Compared to discrete USB-plus-DSP solutions, this single-chip approach reduces BOM cost and PCB area while keeping firmware in a single MCU environment.
Được đề xuất
Capacitive Touch HMI
The PIC32MX230F064B-I/ML integrates Microchip's mTouch capacitive touch hardware, allowing up to 12 touch buttons or a slider without external touch ICs. With 64 KB Flash and 16 KB SRAM, it can run touch scanning, debouncing, and a small GUI over PMP-driven TFT or segment LCD. PPS remaps each touch channel to any pin, freeing the designer from rigid pin assignment. Active current under 0.5 mA/MHz lets battery-powered HMIs run continuously for months on a coin cell. Compared to mechanical buttons, mTouch removes wear parts and supports sealed, water-tolerant front panels for appliances and consumer electronics.
Được đề xuất
Industrial Sensor Hub
The PIC32MX230F064B-I/ML operates from 2.3 V to 3.6 V across -40 °C to +85 °C, with 21 I/O pins supporting multiple UART, I2C, and SPI sensors in parallel. Five 16-bit timers and five input-capture modules make it ideal for time-of-flight, encoder, and pulse-counting measurements with 1 ns resolution. The 16 KB SRAM buffers short logging bursts before forwarding over USB or UART. PMP and I2S/SPI enable connection to TFTs or audio alarms for industrial operator panels. PPS lets each sensor interface land on the most convenient pins without redesigning PCB routing when sensors are added or removed.
Được đề xuất
IoT Edge Node with USB Diagnostics
The PIC32MX230F064B-I/ML's USB device, 64 KB Flash, and PPS flexibility suit IoT edge nodes that occasionally tether to a host for firmware updates or diagnostics. The M4K core runs 66 DMIPS at 40 MHz, enough for local sensor fusion, low-rate crypto, and MQTT-like protocol handling on small stacks. Two I2S/SPI interfaces connect to radio modules or sensors, while USB serves as a service port. Industrial temperature grade and 3.3 V tolerance match outdoor or factory-deployed nodes. Compared to bare Cortex-M0 parts, this MCU adds USB and larger memory at a competitive price point.
Được đề xuất
Low-Cost Graphics Display Controller
The PIC32MX230F064B-I/ML includes a Parallel Master Port (PMP) that drives small TFT, OLED, or segment LCD panels directly, eliminating an external graphics controller IC. With 64 KB Flash and 16 KB SRAM, the MCU can hold framebuffers for 320x240 QVGA monochrome or small color displays. PPS routes PMP data lines to convenient pins, easing PCB layout. Combined with the USB device for content updates, this chip replaces two-chip display-plus-USB designs in appliances and simple HMI products. Compared to SPI-only displays, PMP delivers several times the throughput for full-motion graphics.
Được đề xuất
Portable Consumer Electronics
The PIC32MX230F064B-I/ML's sub-0.5 mA/MHz active current and 2.3 V minimum supply make it suitable for portable, battery-powered consumer devices like toys, fitness accessories, and remote controls. USB charging and data exchange are handled by the integrated Full-Speed device, while mTouch supports sealed touch interfaces. The 28-QFN (6x6 mm) footprint fits small enclosures, and the exposed pad ensures thermal stability during sustained 40 MHz operation. Compared to discrete 8-bit solutions, this 32-bit MCU delivers higher DMIPS per milliwatt and modern peripherals without raising cost.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX230F064B-I/ML — 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 | PIC32MX250F128B-I/ML | PIC32MX270F256B-I/ML | PIC32MX130F064B-I/ML | PIC32MX170F256B-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 128 KB | 256 KB | 64 KB | 256 KB |
| SRAM | 16 KB | 32 KB | 32 KB | 8 KB | 32 KB |
| USB 2.0 Device | Yes | Yes | Yes | No | No (on -B variant) |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Core | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Parallel Master Port (PMP) | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Bảo phân biệt quan trọng
- Largest same-family upgrade path with USB preserved (vsPIC32MX250F128B-I/ML)
- PPS enables flexible pin mapping vs fixed-pin microcontrollers (vsPIC32MX130F064B-I/ML)
- Two I2S/SPI modules vs one I2S on smaller PIC32 parts (vsPIC32MX120F032B-I/ML)
Ghi chú thiết kế
Solder the exposed thermal pad on the 28-QFN package to a continuous ground pour with at least 8 thermal vias for heat dissipation and electrical reference. Place 0.1 µF decoupling capacitors as close as possible to each VDD/AVDD pin, with a 4.7 µF bulk capacitor near the package. Keep the USB D+/D- traces (RB2/RB3) short, matched in length within 4 mm, and routed with 45° bends or arcs to maintain 90 Ω differential impedance for Full-Speed USB compliance.
Place a ferrite bead or small resistor (10 Ω) between VDD and AVDD if the analog peripherals (ADC, comparators) share the same 3.3 V rail as digital I/O. The PIC32MX230F064B-I/ML draws < 0.5 mA/MHz active and significantly less in sleep; an LDO with < 50 µA quiescent current (e.g., MCP1700) supports battery-powered designs. Decouple VDD with at least 1 µF ceramic plus a 10 µF bulk capacitor to handle USB inrush during bus attach events.
Use the Peripheral Pin Select (PPS) feature to remap UART, SPI, I2C, and PWM functions to convenient pins, which simplifies PCB layout and routing congestion on the 28-QFN. Lock the pin assignments in firmware using PPS configuration registers before peripheral initialization, as PPS mapping cannot be changed at runtime. Reserve PGED1/RB0 and PGEC1/RB1 for in-circuit programming; avoid assigning PPS functions that conflict with these debug pins or with MCLR (pin 28).
Do not exceed the 3.6 V absolute maximum on VDD or AVDD; add a TVS diode on USB VBUS if the design powers from USB. Configure the PLL for 48 MHz operation before enabling USB, as Full-Speed USB requires a precise 48 MHz clock. The MCLR pin must be pulled high with a 10 kΩ resistor and a 100 nF decoupling capacitor to ground; floating MCLR causes spurious resets. Avoid leaving unused I/O pins floating - configure them as outputs or enable the internal weak pull-ups to reduce EMI.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified (industrial grade -40 to +85 °C only); not intended for automotive safety-critical applications.
