PIC32MX220F032DT-V/ML - 32-bit MCU 40MHz 32KB Flash 44-QFN | Microchip
MPN: PIC32MX220F032DT-V/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.55 | $2,550.00 |
| 3,000 | $2.2 | $6,600.00 |
PIC32MX220F032DT-V/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripherals such as timers, communication controllers, and analog blocks. In the broader semiconductor hierarchy, an MCU belongs to the logic IC family, which sits under integrated circuits used for embedded control. The PIC32MX family specifically targets 32-bit embedded designs that demand more horsepower than 8-bit or 16-bit MCUs while retaining Microchip's MPLAB development ecosystem.
Key features of this variant include AEC-Q100 automotive qualification, a wide 2.3V to 3.6V supply range, 5 general-purpose 16-bit timers plus two input capture modules, two UART and I2C modules, separate PLLs for CPU and USB clocks, up to 4 DMA channels, and Peripheral Pin Select (PPS) that remaps digital functions to any I/O pin. The Automotive V temperature grade extends operation from -40C to +105C, supporting under-hood and dashboard deployments.
The PIC32MX220F032DT-V/ML uses the MIPS32 M4K RISC core capable of 83 DMIPS at 50 MHz operation mode, with up to 32KB flash and 8KB SRAM, providing headroom for USB stacks and graphics libraries. Its 8x8 mm QFN package integrates 34 digital I/O pins plus dedicated USB, JTAG, and analog pins for highly compact automotive boards.
Typical applications include automotive body electronics, instrument clusters, USB-enabled consumer devices, graphic HMI panels, and general-purpose industrial control. The combination of USB device/host capability and PMP for graphics makes it a popular choice for low-cost HMI designs. Compared to older PIC24/dsPIC parts, the PIC32MX delivers 3-5x performance at similar cost.
A key design tip: use Microchip's MPLAB Harmony configurator to remap PPS functions and avoid pin conflicts. Because the part supports separate PLLs, designers should follow the datasheet's crystal layout and decoupling recommendations to keep USB jitter within spec.
This page synthesizes distributor pricing, AEC-Q100-grade drop-in alternatives from Microchip's PIC32MX family, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for PIC32MX220F032DT-V/ML — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MX220F032DT-V/ML (same form factor and footprint) — differing in Package, I/O Pins, ADC, Core Architecture, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX220F032DT-I/ML
✅ Drop-In✓ In Stock
$2.03 / Unit
View Datasheet →PIC32MX230F032DT-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX130F064DT-I/ML
✅ Drop-In✓ In Stock
$2.42 / Unit
View Datasheet →PIC32MX170F256DT-V/ML
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →PIC32MX154F128DT-V/ML
✅ Drop-In✓ In Stock
$3.82 / Unit
View Datasheet →PIC32MX220F032DT-V/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K RISC |
| Data Bus Width | 32-bit |
| Clock Speed (Max) | 40 MHz |
| Program Memory (Flash) | 32 KB |
| RAM | 8 KB |
| Supply Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +105 C |
| I/O Pins | 34 |
| Package | 44-pin QFN (8x8 mm) with exposed pad |
| Package Code | ML |
| Mounting Type | Surface Mount |
| AEC-Q100 Qualification | Yes (Automotive Grade) |
| Communication Interfaces | USB, 2x UART, 2x I2C, 2x SPI/I2S |
| ADC | 10-bit, multiple channels |
| DMA Channels | Up to 4 with auto data-size detection |
| Timers | Five 16-bit general purpose plus two input capture |
| Peripheral Pin Select (PPS) | Yes |
| PLL | Separate PLLs for CPU and USB clocks |
| RoHS Status | Compliant |
PIC32MX220F032DT-V/ML Pin Configuration
| Pin 1 | RB0/AN0 — I/O port B bit 0 / analog input 0 |
| Pin 2 | RB1/AN1 — I/O port B bit 1 / analog input 1 |
| Pin 3 | RB2/AN2 — I/O port B bit 2 / analog input 2 |
| Pin 4 | RB3/AN3 — I/O port B bit 3 / analog input 3 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | RB4/AN4 — I/O port B bit 4 / analog input 4 |
| Pin 7 | RB5/AN5 — I/O port B bit 5 / analog input 5 |
| Pin 8 | RB6/AN6 — I/O port B bit 6 / analog input 6 |
| Pin 9 | RB8/AN7 — I/O port B bit 8 / analog input 7 |
| Pin 10 | VDD — Positive supply voltage |
| Pin 11 | RB9/AN8 — I/O port B bit 9 / analog input 8 |
| Pin 12 | RC1 — I/O port C bit 1 |
| Pin 13 | RC2 — I/O port C bit 2 |
| Pin 14 | RC3 — I/O port C bit 3 |
| Pin 15 | VSS — Ground reference |
| Pin 16 | RC4 — I/O port C bit 4 |
| Pin 17 | RD0 — I/O port D bit 0 |
| Pin 18 | RD1 — I/O port D bit 1 |
| Pin 19 | RD2 — I/O port D bit 2 |
| Pin 20 | RD3 — I/O port D bit 3 |
| Pin 21 | RD4 — I/O port D bit 4 |
| Pin 22 | RD5 — I/O port D bit 5 |
| Pin 23 | RD6 — I/O port D bit 6 |
| Pin 24 | RD7 — I/O port D bit 7 |
| Pin 25 | VSS — Ground reference |
| Pin 26 | RC6 — I/O port C bit 6 |
| Pin 27 | RC7 — I/O port C bit 7 |
| Pin 28 | RC8 — I/O port C bit 8 |
| Pin 29 | RC9 — I/O port C bit 9 |
| Pin 30 | MCLR — Master clear reset input (active-low) |
| Pin 31 | RA0 — I/O port A bit 0 |
| Pin 32 | RA1 — I/O port A bit 1 |
| Pin 33 | RA2 — I/O port A bit 2 |
| Pin 34 | RA3 — I/O port A bit 3 |
| Pin 35 | RA4 — I/O port A bit 4 |
| Pin 36 | RA5 — I/O port A bit 5 |
| Pin 37 | RA6 — I/O port A bit 6 |
| Pin 38 | RA7 — I/O port A bit 7 |
| Pin 39 | AVSS — Analog ground |
| Pin 40 | AVDD — Analog positive supply |
| Pin 41 | USB_DP — USB D+ differential data line |
| Pin 42 | USB_DM — USB D- differential data line |
| Pin 43 | OSC1/RC12 — Crystal oscillator input / GPIO RC12 |
| Pin 44 | OSC2/RC13 — Crystal oscillator output / GPIO RC13 |
Typical Applications
PIC32MX220F032DT-V/ML is suitable for 7 applications: Automotive Body Control Modules, Instrument Cluster HMI, USB-Enabled Automotive Infotainment Peripherals, Industrial USB Sensor Hubs, Low-Cost Graphics PMP Panels, Capacitive Touch Button Control (CTMU), General-Purpose Automotive Node Controllers.
Automotive Body Control Modules
The PIC32MX220F032DT-V/ML fits automotive body control modules because its AEC-Q100 qualification and -40C to +105C operating range meet under-hood and cabin requirements. With 32KB flash, 8KB RAM, and a 40 MHz MIPS32 M4K core, it runs typical body-control firmware including CAN/LIN gateways and sensor polling while its USB peripheral supports diagnostic interfaces. Compared to SWE, the V-grade guarantees thermal and reliability margin under hood-environment stress.
Recommended
Instrument Cluster HMI
The PIC32MX220F032DT-V/ML drives instrument cluster HMI displays using its Parallel Master Port (PMP) and Peripheral Pin Select (PPS), supporting small TFT or OLED panels. With 32KB flash and 8KB SRAM it can host lightweight graphics libraries, and the 40 MHz core keeps redraw times low. The automotive V grade ensures cluster operation in hot cabins up to +105C, with separate USB PLL for diagnostics.
Recommended
USB-Enabled Automotive Infotainment Peripherals
The PIC32MX220F032DT-V/ML is well suited for USB-enabled automotive infotainment accessories because it integrates a USB device/host controller with a dedicated 48 MHz PLL independent of the CPU PLL. This guarantees stable USB signaling while the CPU services HID stacks. The 32KB flash accommodates USB class drivers and the automotive V grade provides reliability in cabin thermal conditions.
Recommended
Industrial USB Sensor Hubs
The PIC32MX220F032DT-V/ML serves industrial USB sensor hubs by acting as a USB device host that aggregates multiple sensor inputs. The 5 general-purpose 16-bit timers drive PWM sensor excitation and DMA channels offload repetitive conversions. The 2.3V to 3.6V supply range is compatible with industrial 3.3V rails. The exposed pad on the 44-QFN package simplifies PCB thermal dissipation.
Recommended
Low-Cost Graphics PMP Panels
The PIC32MX220F032DT-V/ML supports low-cost graphics panels via its Parallel Master Port (PMP), driving small TFT displays up to 8-bit parallel. With 8KB SRAM it can host bitmap framebuffers, and the 40 MHz core can refresh small displays at acceptable frame rates. Automotive qualification allows deployment in cabin-mounted control panels with the V grade.
Recommended
Capacitive Touch Button Control (CTMU)
The PIC32MX220F032DT-V/ML features an integrated Charge Time Measurement Unit (CTMU) that drives Microchip's mTouch capacitive touch sensing algorithm, enabling reliable touch button and slider designs with minimal external components. The automotive V grade allows CTMU-based switches for cabin control, while 32KB flash accommodates the touch firmware and USB diagnostic stack.
Recommended
General-Purpose Automotive Node Controllers
The PIC32MX220F032DT-V/ML functions as a general-purpose automotive node controller with 34 GPIO, two UART, two I2C, and two SPI/I2S interfaces. The AEC-Q100 grade and 32KB flash suit body-control nodes where the peripheral mix must connect sensors, actuators, and bus networks. With separate PLLs for CPU and USB clocks, both real-time and diagnostic interfaces coexist.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX220F032DT-V/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX220F032DT-I/ML | PIC32MX230F032DT-I/ML | PIC32MX130F064DT-I/ML | PIC32MX170F256DT-V/ML | PIC32MX154F128DT-V/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8) with exposed pad | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Flash | 32 KB | 32 KB | 32 KB | 64 KB (+100%) | 256 KB (+700%) | 128 KB (+300%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 64 KB | 32 KB |
| Max CPU Clock | 40 MHz | 40 MHz | 50 MHz | 40 MHz | 50 MHz | 50 MHz |
| AEC-Q100 Grade | Yes (Automotive, -40C to +105C) | Industrial (-40C to +85C), not AEC-Q100 | Industrial (-40C to +85C), not AEC-Q100 | Industrial (-40C to +85C), not AEC-Q100 | Yes (Automotive, -40C to +105C) | Yes (Automotive, -40C to +105C) |
| USB Peripheral | Yes (USB device/host) | Yes | Yes | Yes | Yes | Yes |
| Supply Voltage Range | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| AEC-Q100 / I/O Pins | 34 I/O | 34 I/O | 34 I/O | 34 I/O | 34 I/O | 34 I/O |
Key Differentiators
- Only 32KB flash MCU in 44-QFN with automotive AEC-Q100 grade (vs PIC32MX170F256DT-V/ML)
- Industrial-grade same-footprint drop-in alternative (vs PIC32MX220F032DT-I/ML)
- Family upgrade path with same footprint (vs PIC32MX154F128DT-V/ML)
Design Notes
Use a 3.3V LDO such as MCP1700 with 10uF input and output ceramic capacitors. Decouple each VDD pin with a 0.1uF X7R capacitor placed as close as possible to the package, plus a 4.7uF bulk capacitor shared across the chip. The exposed thermal pad must be soldered to a copper pad with thermal vias to maintain junction temperature within the automotive +105C limit.
Place the 8 MHz or 10 MHz primary crystal within 0.5 cm of the OSC1/OSC2 pins, surrounded by a ground guard ring. Keep USB_DP/USB_DM traces as a 90 ohm differential pair, length-matched to within 150 mil. The exposed pad of the 44-QFN (8x8) must be soldered to a copper area of at least 1 square cm with a 4x4 thermal via array for proper heat sinking.
Estimated: at 40 MHz CPU and full peripheral activity, the PIC32MX220F032DT-V/ML draws approximately 25 to 30 mA. Add at least 30 percent design margin to the LDO load current. PPS remapping must be reconfigured after each reset if not saved to nonvolatile configuration; review the datasheet Configuration Bit section before locking the code.
USB_DP/USB_DM traces must be length-matched with 90 ohm differential impedance and kept short, ideally under 50 mm. Place the 33 ohm source-series resistors near the MCU side of the differential pair. Add a common-mode choke for automotive EMC compliance if the cable is longer than 1 m or routed near switching power stages.
Compliance Information
AEC-Q100 qualified per V suffix; automotive grade. RoHS compliant per Microchip product page. Halogen-free and lead-free packaging. Full datasheet available at the Microchip product page.
