PIC32MX220F032C-V/TL - 32-bit MCU 40MHz 32KB Flash | Microchip
MPN: PIC32MX220F032C-V/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.46 | $34.60 |
| 100 | $3.08 | $308.00 |
| 500 | $2.72 | $1,360.00 |
| 1,000 | $2.41 | $2,410.00 |
PIC32MX220F032C-V/TL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable I/O peripherals on one die. The PIC32MX220 sits in the hierarchy: MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32 family -> PIC32MX1XX/2XX sub-family -> industrial/consumer USB-capable segment. It is designed for cost-sensitive embedded designs that need USB connectivity, moderate compute, and a familiar toolchain (MPLAB X, Harmony, XC32).
Key features include a 32-bit MIPS32 M4K core with hardware multiply/divide, 32KB single-voltage Flash with self-programming support, 8KB SRAM, Peripheral Pin Select (PPS) for flexible signal routing, two I2S/SPIs for codec and serial communication, a Parallel Master Port (PMP) for graphics interfaces, a 5-channel 10-bit ADC, four 16-bit timers plus two 32-bit timers, and an integrated USB 2.0 full-speed OTG controller. The 36-VTLA package provides a small 5x5 mm footprint while still exposing 34 user I/O lines.
The architecture uses a 5-stage pipeline and dual-bus Flash/RAM arrangement that delivers up to 1.5 DMIPS/MHz (the family headline is 50 MHz / 83 DMIPS, but this -V variant is rated at 40 MHz). The USB OTG controller, charge-time-measurement unit (CTMU) for capacitive touch, and PMP for parallel displays make the PIC32MX220 a versatile choice when USB host/device, simple graphics, or touch sensing are required in a compact BOM.
Typical applications include USB HID peripherals, consumer audio accessories, low-cost graphics HMI panels, capacitive-touch user interfaces, sensor hubs, and industrial control nodes. Designers also pair it with external EEPROMs for parameter storage and low-power sub-GHz radios for IoT bridges.
When designing with this device, place the 8 MHz primary oscillator and load capacitors within 0.5 inch of the OSCI/OSCO pins, and ensure VUSB and VDD both reach 3.3 V within 10 ms for reliable USB enumeration. Use the PPS registers instead of remapping pins manually - this avoids signal-integrity issues caused by long PCB traces.
This page synthesizes distributor pricing, drop-in PIC32MX family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32MX220F032C-V/TL — 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 PIC32MX220F032C-V/TL (same form factor and footprint) — differing in ADC, Program Memory (Flash), I/O Pins, DMA Channels, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX220F032CT-V/TL
✅ Drop-In✓ In Stock
$1.94 / Unit
View Datasheet →PIC32MX230F064C-V/TL
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC32MX220F032CT-50I/TL
✅ Drop-In✓ In Stock
$1.97 / Unit
View Datasheet →PIC32MX120F032C-V/TL
✅ Drop-In✓ In Stock
$2.58 / Unit
View Datasheet →PIC32MX150F128C-V/TL
✅ Drop-In✓ In Stock
$3.5 / Unit
View Datasheet →PIC32MX130F064C-V/TL
✅ Drop-In✓ In Stock
$1.78 / Unit
View Datasheet →PIC32MX220F032C-V/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Count | 1 (single-core) |
| Data Bus Width | 32-bit |
| Maximum Clock Frequency | 40 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data Memory (SRAM) | 8 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| I/O Pins | 34 |
| Package Type | 36-VTLA (5x5 mm) |
| Package Family | QFN / HVQCCN (no-lead) |
| Pin Pitch | 0.65 mm |
| Operating Temperature | -40C to +105C (V grade) |
| AEC-Q100 Qualification | Yes |
| Connectivity | I2C, IrDA, LINbus, PMP, SPI, UART/USART, USB OTG |
| ADC | 10-bit, multiple channels |
| Timers | Five 16-bit + up to two 32-bit |
| Peripheral Pin Select (PPS) | Yes |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC32MX220F032C-V/TL Pin Configuration
| Pin 1 | OSC1/CLKI/RC13 — Oscillator crystal input / external clock input / GPIO RC13 |
| Pin 2 | OSC2/CLKO/RC15 — Oscillator crystal output / external clock output / GPIO RC15 |
| Pin 3 | VBUS — USB VBUS monitor input |
| Pin 4 | D- — USB D- data line |
| Pin 5 | D+ — USB D+ data line |
| Pin 6 | VUSB — USB transceiver supply (3.3V) |
| Pin 7 | VDD — Digital supply voltage (2.3V to 3.6V) |
| Pin 8 | RA0 — GPIO RA0 / analog input |
| Pin 9 | RA1 — GPIO RA1 / analog input |
| Pin 10 | RA2 — GPIO RA2 / analog input |
| Pin 11 | RA3 — GPIO RA3 / analog input / reference voltage |
| Pin 12 | RA4 — GPIO RA4 / analog input |
| Pin 13 | AVDD — Analog supply voltage |
| Pin 14 | AVSS — Analog ground |
| Pin 15 | RA5 — GPIO RA5 / analog input |
| Pin 16 | RA6 — GPIO RA6 / analog input |
| Pin 17 | RA7 — GPIO RA7 / analog input |
| Pin 18 | RB0 — GPIO RB0 / programming pin |
| Pin 19 | RB1 — GPIO RB1 / programming pin |
| Pin 20 | RB2 — GPIO RB2 |
| Pin 21 | RB3 — GPIO RB3 |
| Pin 22 | RB4 — GPIO RB4 |
| Pin 23 | RB5 — GPIO RB5 |
| Pin 24 | RB6 — GPIO RB6 / programming clock |
| Pin 25 | RB7 — GPIO RB7 / programming data |
| Pin 26 | RB8 — GPIO RB8 |
| Pin 27 | RB9 — GPIO RB9 |
| Pin 28 | RB10 — GPIO RB10 |
| Pin 29 | RB11 — GPIO RB11 |
| Pin 30 | RB12 — GPIO RB12 |
| Pin 31 | RB13 — GPIO RB13 |
| Pin 32 | RB14 — GPIO RB14 |
| Pin 33 | RB15 — GPIO RB15 |
| Pin 34 | VSS — Digital ground |
| Pin 35 | RC0 — GPIO RC0 |
| Pin 36 | RC1 — GPIO RC1 |
Typical Applications
PIC32MX220F032C-V/TL is suitable for 6 applications: USB HID Peripherals, Consumer Audio Accessories, Low-Cost Graphics HMI Panels, Capacitive Touch User Interfaces, USB Sensor Hubs, Industrial Control Nodes.
USB HID Peripherals
The PIC32MX220F032C-V/TL is well suited for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. Its integrated USB 2.0 full-speed OTG controller eliminates the need for an external USB PHY or interface chip, reducing BOM cost and PCB area in compact 5x5 mm designs. The 32 KB Flash accommodates USB HID descriptor tables plus application logic, while 8 KB SRAM handles HID report buffers. Place a 1.5 kohm pull-up on D+ for full-speed device mode and route USB DP/DN as a 90-ohm differential pair. The V variant's -40C to +105C industrial temperature range supports commercial and industrial HID products.
Recommended
Consumer Audio Accessories
The PIC32MX220F032C-V/TL fits consumer audio accessories such as USB headphones, audio dongles, MIDI controllers, and USB speakers. The two I2S/SPIs enable direct connection to external audio codecs for digital audio streaming, while USB OTG provides plug-and-play connectivity to PCs and mobile devices. The 40 MHz MIPS32 M4K core runs lightweight audio processing (volume control, EQ presets, sample-rate conversion) while the 8 KB SRAM buffers USB audio isochronous packets. Use the PPS registers to map I2S signals to convenient GPIO pins, and pair with an external 24-bit stereo codec for high-fidelity output. The 36-VTLA package suits compact wearable and dongle form factors.
Recommended
Low-Cost Graphics HMI Panels
The PIC32MX220F032C-V/TL drives low-cost graphics HMI panels for appliances, thermostats, and small industrial control displays. Its Parallel Master Port (PMP) interfaces directly to graphical LCDs and OLED modules with 8-bit or 16-bit parallel buses, while the 10-bit ADC reads analog control inputs (potentiometers, NTC temperature sensors). At 40 MHz, the M4K core refreshes QVGA (320x240) displays at acceptable frame rates for simple menus and status screens. The 32 KB Flash stores multiple language bitmap tables, and 8 KB SRAM holds frame buffers for partial screen updates. The compact 5x5 mm 36-VTLA package fits behind small touch panels.
Recommended
Capacitive Touch User Interfaces
The PIC32MX220F032C-V/TL implements capacitive touch user interfaces using the on-chip Charge Time Measurement Unit (CTMU). The CTMU measures capacitance changes on touch electrodes with sub-pF resolution, supporting buttons, sliders, and proximity sensors without external touch ICs. Combined with 32 KB Flash for touch algorithms and 8 KB SRAM for scan buffers, the MCU replaces dedicated touch controllers in cost-sensitive designs such as kitchen appliances, industrial keypads, and lighting controls. The 34 user I/O lines accommodate up to 34 touch channels in matrix configurations. USB OTG enables firmware updates and configuration via USB when used in service-mode.
Recommended
USB Sensor Hubs
The PIC32MX220F032C-V/TL serves as a USB sensor hub aggregating data from multiple I2C/SPI sensors (temperature, humidity, motion, pressure) and presenting them as a composite USB device to a host PC. The dual I2C/SPI peripherals connect to multiple sensors simultaneously, while USB OTG provides plug-and-play connectivity. The 32 KB Flash holds sensor drivers and USB composite descriptors, and 8 KB SRAM buffers sensor readings. The 40 MHz M4K core runs lightweight sensor fusion at 100 Hz update rates. Suitable for lab instrumentation, environmental monitoring, and DIY maker USB tools requiring USB-powered multi-sensor readout.
Recommended
Industrial Control Nodes
The PIC32MX220F032C-V/TL operates as an industrial control node for factory automation, building automation, and process control subsystems. The -40C to +105C industrial temperature rating supports harsh environments, while AEC-Q100 qualification enables automotive sub-system designs. LINbus connectivity supports automotive body and chassis networks, and the UART/USART interfaces connect to RS-485 or RS-232 transceivers for industrial field buses. The PMP can drive character LCDs for local status display. The 32 KB Flash accommodates Modbus or CANopen protocol stacks plus application logic. Its 5x5 mm 36-VTLA package enables placement in space-constrained sensor enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX220F032C-V/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX220F032CT-V/TL | PIC32MX230F064C-V/TL | PIC32MX220F032CT-50I/TL | PIC32MX120F032C-V/TL | PIC32MX150F128C-V/TL |
|---|---|---|---|---|---|---|
| Package | 36-VTLA (5x5) | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core Architecture | MIPS32 M4K | MIPS32 M4K - same | MIPS32 M4K - same | MIPS32 M4K - same | MIPS32 M4K - same | MIPS32 M4K - same |
| Maximum Clock | 40 MHz | 40 MHz - same | 40 MHz - same | 50 MHz - higher | 40 MHz - same | 40 MHz - same |
| Flash Memory | 32 KB | 32 KB - same | 64 KB - higher | 32 KB - same | 32 KB - same | 128 KB - higher |
| SRAM | 8 KB | 8 KB - same | 12 KB - higher | 8 KB - same | 8 KB - same | 32 KB - higher |
| USB OTG | Yes | Yes - same | Yes - same | Yes - same | No | Yes - same |
| Operating Temperature | -40C to +105C | -40C to +105C - same | -40C to +105C - same | -40C to +85C - lower | -40C to +105C - same | -40C to +105C - same |
Key Differentiators
- Integrated USB OTG in compact 5x5 mm package (vs PIC32MX120F032C-V/TL)
- 40 MHz operation in -40C to +105C industrial range (vs PIC32MX220F032CT-50I/TL)
- AEC-Q100 qualification for automotive subsystems (vs PIC32MX130F064C-V/TL)
Design Notes
The PIC32MX220F032C-V/TL requires careful power decoupling with 100 nF ceramic capacitors on each VDD pin and a 4.7 uF bulk capacitor near the IC. The VUSB pin must reach 3.3 V for USB OTG operation; do not leave VUSB floating. According to the datasheet, ensure both VDD and AVDD ramp within 10 ms for proper USB PLL lock and Brown-Out Reset (BOR) behavior. Place a ferrite bead between digital VDD and analog AVDD to reduce digital switching noise coupling into ADC readings.
Route USB DP and DN as a 90-ohm differential pair with length matching within 150 mil. Place the 1.5 kohm pull-up resistor on D+ within 0.5 inch of the USB connector for full-speed device mode. The OSC1/OSC2 traces must be short (< 0.5 inch) and surrounded by ground pour to prevent oscillator jitter. The exposed thermal pad (EP) of the 36-VTLA package must be soldered to a ground pad with multiple thermal vias for heat dissipation - missing this connection degrades thermal performance and can cause latch-up under high I/O switching loads.
Do not assume the PPS (Peripheral Pin Select) defaults match your schematic; the PIC32MX220 PPS registers must be configured in firmware before peripherals will function on selected pins. The CTMU calibration constants are required for accurate capacitive touch measurements - load them from the datasheet example code. Programming pins PGECx/PGEDx must be accessible for ICSP; failure to expose them blocks firmware updates. The 32 KB Flash is reduced by the USB bootloader if enabled - budget Flash space carefully when planning HID firmware plus USB stack.
Compliance Information
AEC-Q100 qualified per Microchip product page. RoHS compliant and lead-free per distributor listings. Halogen-free per Microchip environmental compliance documents.