PIC32MX220F032DT-V/PT - 40MHz 32-bit MCU 32KB Flash | Microchip
MPN: PIC32MX220F032DT-V/PT ✓ Hoạt độngPIC32MX220F032DT-V/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and a fixed set of peripherals such as timers, communication interfaces, and analog blocks. PIC32MX devices are part of the PIC32 family, which combines the PIC peripheral set with the MIPS32 M4K 32-bit RISC architecture, sitting in the hierarchy: 32-bit microcontroller -> RISC microcontroller -> embedded controller -> semiconductor. The '220' series targets cost-sensitive embedded designs that need USB connectivity and graphic interfaces without the cost of higher-end PIC32MX3xx/4xx/5xx/6xx/7xx parts.
Key features include a hardware DMA controller with up to 4 channels and automatic data size detection, two separate PLLs for CPU and USB clocks, a 10-bit ADC (up to 1 Msps), and a Charge Time Measurement Unit (CTMU) that supports mTouch capacitive touch buttons and sliders. The device runs from 2.3 V to 3.6 V and supports an industrial operating temperature range of -40C to +105C, suitable for harsh environments.
The architecture implements a 5-stage MIPS32 M4K pipeline with single-cycle multiplication, hardware divide, and branch delay slot support, achieving up to 1.56 DMIPS/MHz. PPS allows remapping of serial and timer peripherals onto most digital I/O pins after layout, simplifying PCB routing and enabling late-stage design changes without rework. The dual PLL design lets the USB clock run at a precise 48 MHz while the CPU runs independently at the system clock, eliminating the jitter that compromises USB timing on single-PLL parts.
Typical applications include USB HID peripherals, low-cost graphic display controllers using the Parallel Master Port, capacitive touch user interfaces, industrial sensor hubs with USB diagnostics, and consumer devices requiring low-power sleep modes. The 32 KB Flash and 8 KB RAM are sufficient for RTOS-lite or bare-metal control loops. The -V/PT suffix indicates a TQFP package rated for -40C to +105C (V-grade).
When designing with this MCU, plan oscillator layout carefully and respect USB DP/DN trace impedance (90 ohms differential). Configure the PLL appropriately for the chosen crystal or external clock, and use MPLAB X IDE with XC32 compiler for development. PPS remapping must be set before enabling peripherals, and unused pins should be configured as outputs low to minimize current draw.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and engineering teams an actionable reference in a single view.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX220F032DT-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 PIC32MX220F032DT-V/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, Core Architecture, Program Memory (Flash), DMA Channels.
PIC32MX220F032DT-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX220F032D-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX220F032DT-50I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX210F016DT-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX230F032DT-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX220F032DT-V/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 40 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 34 |
| Hộp | 44-pin TQFP (10x10 mm), 0.8 mm pitch |
| Nhiệt độ hoạt động | -40C to +105C |
| DMA Channels | Up to 4 |
| UART Modules | 2 |
| I2C Modules | 2 |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| ADC | 10-bit, up to 1 Msps |
| Timers | Five 16-bit |
| PLL | Dual PLL (CPU + USB) |
| Peripheral Pin Select (PPS) | Yes |
| Charge Time Measurement Unit (CTMU) | Yes (mTouch capacitive touch) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX220F032DT-V/PT
| Chân 1 | RPB0/AN0 — Remappable peripheral input / Analog input 0 |
| Chân 2 | RPB1/AN1 — Remappable peripheral input / Analog input 1 |
| Chân 3 | RPB2/AN2 — Remappable peripheral input / Analog input 2 |
| Chân 4 | RPB3/AN3 — Remappable peripheral input / Analog input 3 |
| Chân 5 | VREF-/CVREF- — ADC voltage reference negative |
| Chân 6 | VREF+/CVREF+ — ADC voltage reference positive |
| Chân 7 | AVDD — Analog supply voltage |
| Chân 8 | AVSS — Analog ground |
| Chân 9 | RPC0 — Port C bit 0 |
| Chân 10 | RPC1 — Port C bit 1 |
| Chân 11 | RPC2 — Port C bit 2 |
| Chân 12 | RPC3 — Port C bit 3 |
| Chân 13 | RPC4 — Port C bit 4 |
| Chân 14 | RPC5 — Port C bit 5 |
| Chân 15 | RPC6 — Port C bit 6 |
| Chân 16 | RPC7 — Port C bit 7 |
| Chân 17 | VSS — Digital ground |
| Chân 18 | VDD — Digital supply voltage |
| Chân 19 | OSC1/RC1 — Crystal oscillator input / external clock input |
| Chân 20 | OSC2/RC2 — Crystal oscillator output |
| Chân 21 | VSS — Digital ground |
| Chân 22 | VDD — Digital supply voltage |
| Chân 23 | PGED1/RPB6 — Programming data / Port B bit 6 |
| Chân 24 | PGEC1/RPB7 — Programming clock / Port B bit 7 |
| Chân 25 | PGED2/RPA8 — Programming data 2 / Port A bit 8 |
| Chân 26 | PGEC2/RPA9 — Programming clock 2 / Port A bit 9 |
| Chân 27 | MCLR — Master clear reset (active low) |
| Chân 28 | RPB4/SDA2 — Port B bit 4 / I2C2 data |
| Chân 29 | RPB5/SCL2 — Port B bit 5 / I2C2 clock |
| Chân 30 | RPA0 — Port A bit 0 |
| Chân 31 | RPA1 — Port A bit 1 |
| Chân 32 | RPA2 — Port A bit 2 |
| Chân 33 | RPA3 — Port A bit 3 |
| Chân 34 | RPF0 — Port F bit 0 |
| Chân 35 | RPF1 — Port F bit 1 |
| Chân 36 | RPF2/USBID — Port F bit 2 / USB OTG ID |
| Chân 37 | RPF3/USBVBUS — Port F bit 3 / USB VBUS sense |
| Chân 38 | RPF4/USBVON — Port F bit 4 / USB VBUS enable |
| Chân 39 | RPF5/SCK1 — Port F bit 5 / SPI1 clock |
| Chân 40 | RPG6/SDO1 — Port G bit 6 / SPI1 data out |
| Chân 41 | RPG7/SDI1 — Port G bit 7 / SPI1 data in |
| Chân 42 | RPC8 — Port C bit 8 |
| Chân 43 | RPC9 — Port C bit 9 |
| Chân 44 | VSS — Digital ground |
Ứng dụng tiêu biểu
PIC32MX220F032DT-V/PT phù hợp cho 6 Áp dụngs: USB HID Peripherals, Capacitive Touch User Interfaces, Low-Cost Graphic Display Controllers, Industrial Sensor Hubs with USB Diagnostics, Consumer Appliance Controllers, Battery-Powered Data Loggers.
USB HID Peripherals
The PIC32MX220F032DT-V/PT's integrated USB 2.0 Full-Speed controller with dedicated USB PLL is ideal for USB Human Interface Devices such as keyboards, mice, game controllers, and custom HID peripherals. Its 32 KB Flash accommodates USB stacks from Microchip's MLA or Harmony frameworks, while the 8 KB SRAM is sufficient for HID report buffers and small RTOS tasks. PPS allows the USB interrupt vector to be prioritized independently of the application code, ensuring low-latency response to host polling. The 40 MHz CPU comfortably handles full-speed USB polling rates (1 kHz) plus application logic, and the 10-bit ADC supports analog joystick or sensor inputs. This makes it a strong fit for cost-sensitive PC peripherals.
Được đề xuất
Capacitive Touch User Interfaces
The PIC32MX220F032DT-V/PT integrates a Charge Time Measurement Unit (CTMU) that drives Microchip's mTouch capacitive touch sensing firmware for buttons, sliders, and wheels. Combined with the 40 MHz MIPS32 M4K core and 32 KB Flash, the MCU can scan 10-20 touch electrodes at 50 Hz while still running a small UI state machine. The CTMU provides calibrated charge-time measurement independent of supply variation, giving robust touch performance across the 2.3 V to 3.6 V supply range. PPS allows CTMU channels to be assigned flexibly to any GPIO, simplifying PCB layout for touch-heavy front panels. The /V temperature grade supports industrial appliance front panels up to 105C.
Được đề xuất
Low-Cost Graphic Display Controllers
The PIC32MX220F032DT-V/PT includes a Parallel Master Port (PMP) that drives small TFT LCDs and OLED displays up to 8-bit parallel, supporting QVGA resolutions for low-cost graphic HMI panels. The hardware DMA engine offloads display refresh from the CPU, freeing MIPS for application logic and touch processing. With 32 KB Flash and 8 KB SRAM, it fits Microchip's graphics library for button widgets, gauges, and simple icons. PPS lets you reassign PMP data and control lines to free GPIOs if the PCB layout changes late in design. The -V/PT grade operates up to 105C for industrial HMI installations.
Được đề xuất
Industrial Sensor Hubs with USB Diagnostics
The PIC32MX220F032DT-V/PT combines a 10-bit ADC (up to 1 Msps), 2 UART modules, 2 I2C modules, and USB diagnostics in a single 44-pin TQFP, making it a natural choice for industrial sensor hubs that stream data to a host PC over USB. The dual PLL design lets the USB run at 48 MHz while the CPU clocks slower for power savings when idle. PPS allows the UART, I2C, and timer peripherals to be remapped to whichever pins suit the sensor PCB, dramatically simplifying routing on crowded boards. The /V temperature grade and 2.3-3.6 V supply cover industrial 3.3 V rails and factory environments. The 8 KB SRAM supports ring buffers for sensor data at 10-100 Hz update rates.
Được đề xuất
Consumer Appliance Controllers
The PIC32MX220F032DT-V/PT provides the right balance of USB service-port support, CTMU capacitive touch, and PMP graphics for next-generation consumer appliances such as coffee machines, smart ovens, and air purifiers. The 32 KB Flash stores application firmware plus USB bootloader, and the 8 KB SRAM supports modest UI buffers. The PMP peripheral drives small TFT or OLED displays for user feedback, while CTMU reads touch buttons through the front panel glass. PPS simplifies board layout when designers iterate on the touch electrode placement. The -40C to +105C temperature range handles appliance internal ambient temperatures without derating.
Được đề xuất
Battery-Powered Data Loggers
The PIC32MX220F032DT-V/PT offers multiple low-power modes (Sleep, Idle, Deep Sleep) with sub-microamp standby current when the USB controller and CPU are idle, making it viable for battery-powered data loggers that occasionally wake to sample sensors and dump data over USB. The 10-bit ADC with up to 1 Msps captures fast transient signals, while the hardware DMA moves ADC samples to RAM without CPU intervention, preserving battery life. The 32 KB Flash stores weeks of compressed logs at 1 Hz sampling, and the 8 KB SRAM provides a circular buffer for burst captures. PPS allows the wake-up timer to be remapped to any GPIO interrupt source.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX220F032DT-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 | PIC32MX220F032DT-I/PT | PIC32MX220F032D-I/PT | PIC32MX220F032DT-50I/PT | PIC32MX210F016DT-I/PT | PIC32MX230F032DT-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 16 KB (+100%) |
| Maximum CPU Clock | 40 MHz | 40 MHz | 40 MHz | 50 MHz (+25%) | 40 MHz | 50 MHz (+25%) |
| Operating Temperature | -40C to +105C (V-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) |
| USB Interface | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG |
| CTMU (mTouch) | Yes | Yes | Yes | Yes | Yes | Yes |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- V-grade temperature range for industrial environments (vsPIC32MX220F032DT-I/PT)
- 16 KB SRAM for richer USB and graphic stacks (vsPIC32MX210F016DT-I/PT)
- 25% higher CPU clock headroom (vsPIC32MX220F032DT-50I/PT)
Ghi chú thiết kế
The PIC32MX220F032DT-V/PT operates from a single 2.3 V to 3.6 V supply and requires both AVDD/AVSS and VDD/VSS to be properly decoupled. Place 100 nF ceramic capacitors within 5 mm of each VDD/AVDD pin and a bulk 10 uF tantalum or ceramic capacitor on the main 3.3 V rail. The USB VBUS sense pin (RPF3) requires a voltage divider when VBUS exceeds 3.6 V (USB bus-powered designs). Decouple the analog AVSS separately from digital VSS using a star-ground topology to prevent ADC noise coupling from the digital switching currents.
Route the USB DP/DN pair (RPF2/RPF3) as a 90-ohm differential microstrip with no splits and matched length within 150 mils. Place the crystal (typically 8 MHz fundamental) within 5 mm of OSC1/OSC2 with grounded guard traces, and keep the crystal traces short and symmetric. JTAG/ICSP pins PGED1/PGEC1 and PGED2/PGEC2 should each have a 4.7 kohm pull-up to VDD to allow in-circuit programming without disconnecting the target. The TQFP-44 thermal pad (if present on the bottom) should be soldered to a copper pour to reduce junction temperature at high CPU utilization.
Do not assume that the USB PLL is automatically configured - the firmware must initialize the UPLL before enabling the USB module, or the host will fail enumeration. PPS remapping must be locked before enabling peripheral output on a remapped pin, otherwise the I/O will remain on the default pin. The /V temperature grade is -40C to +105C, NOT +125C - for automotive applications demanding the full AEC-Q100 range, select the /E grade parts. Lastly, ensure the MCLR pin has a 10 kohm pull-up to VDD and a 100 nF cap to ground for proper reset behavior; leaving MCLR floating can cause intermittent brown-out resets.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - automotive designs requiring full AEC-Q100 should select PIC32MX variants with /E grade and explicit automotive qualification. Halogen-free status not explicitly stated in retrieved web data.
