PIC32MX210F016DT-I/ML - 32-bit 40MHz 16KB Flash MCU | Microchip
MPN: PIC32MX210F016DT-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.15 | $41.50 |
| 100 | $3.68 | $368.00 |
| 500 | $3.21 | $1,605.00 |
| 1,000 | $2.78 | $2,780.00 |
PIC32MX210F016DT-I/ML Overview
What is a 32-bit MCU? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals such as timers, communication controllers, and analog blocks. The PIC32MX2xx family uses the MIPS32 M4K RISC architecture, which sits hierarchically between 8/16-bit MCUs and Cortex-M class devices. It is classified as a 32-bit embedded controller within the broader category of microcontrollers, and within Microchip's portfolio it falls under PIC32MX mainstream performance MCUs designed for low-power (<0.5 mA/MHz) connected applications.
Key features include 40 MHz operation delivering up to 66 DMIPS, Peripheral Pin Select (PPS) for flexible signal routing, two I2S/SPI interfaces targeting audio codecs, 5 general-purpose 16-bit timers, a 10-bit ADC with up to 28 input channels, and an internal 8 MHz and 32 kHz oscillator. The 44-QFN package offers an exposed thermal pad for improved heat dissipation in industrial temperature environments.
Typical applications include USB HID peripherals, low-cost graphics displays via PMP, audio playback devices, capacitive touch user interfaces using mTouch technology, and industrial control nodes requiring deterministic 32-bit performance. The integrated USB and PMP blocks eliminate the need for external interface ICs in many designs.
When designing with this device, ensure that the decoupling network follows Microchip's recommended layout - one 0.1 uF ceramic per VDD/AVDD pair placed within 3 mm of the pins. The USB bus requires a 90 ohm differential impedance and ESD protection compliant with IEC 61000-4-2.
This page synthesizes verified distributor pricing, parametric drop-in alternatives from the same PIC32MX family, and practical design notes that extend beyond what the manufacturer datasheet alone provides.
Drop-in alternatives for PIC32MX210F016DT-I/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 PIC32MX210F016DT-I/ML (same form factor and footprint) — differing in Package, Timers, Program Memory (Flash), Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX210F016D-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX110F016D-I/ML
✅ Drop-In✓ In Stock
$2.16 / Unit
View Datasheet →PIC32MX130F064D-I/ML
✅ Drop-In✓ In Stock
$2.3 / Unit
View Datasheet →PIC32MX150F128D-I/ML
✅ Drop-In✓ In Stock
$3.25 / Unit
View Datasheet →PIC32MX154F128DT-I/ML
✅ Drop-In✓ In Stock
$1.4 / Unit
View Datasheet →PIC32MX170F256D-I/ML
✅ Drop-In✓ In Stock
$3.45 / Unit
View Datasheet →PIC32MX210F016DT-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Speed | 40 MHz (66 DMIPS) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (SRAM) | 4 KB |
| Supply Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 34 |
| Package | 44-pin QFN (ML), 8x8 mm, 0.65 mm pitch |
| Mounting Type | Surface Mount |
| USB Interface | USB 2.0 Full-Speed Device |
| Serial Interfaces | 2x I2S/SPI, 2x I2C, 2x UART |
| Parallel Master Port (PMP) | Yes |
| Timers | 5 x 16-bit |
| CTMU | Yes (mTouch capacitive touch) |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC32MX210F016DT-I/ML Pin Configuration
| Pin 1 | RA0 — GPIO / AN0 / CVREF+ |
| Pin 2 | RA1 — GPIO / AN1 / CVREF- |
| Pin 3 | RA2 — GPIO / AN2 |
| Pin 4 | RA3 — GPIO / AN3 |
| Pin 5 | RA4 — GPIO / AN4 |
| Pin 6 | VDD — Digital supply voltage (2.3-3.6V) |
| Pin 7 | VSS — Digital ground |
| Pin 8 | RB0 — GPIO / AN8 / PGED1 |
| Pin 9 | RB1 — GPIO / AN9 / PGEC1 |
| Pin 10 | RB2 — GPIO / AN10 |
| Pin 11 | RB3 — GPIO / AN11 |
| Pin 12 | RB4 — GPIO / AN12 |
| Pin 13 | RB5 — GPIO / AN13 |
| Pin 14 | RB6 — GPIO / AN14 |
| Pin 15 | RB7 — GPIO / AN15 |
| Pin 16 | VSS — Digital ground |
| Pin 17 | VDD — Digital supply voltage |
| Pin 18 | RC1 — GPIO / AN16 |
| Pin 19 | RC2 — GPIO / AN17 |
| Pin 20 | RC3 — GPIO / AN18 |
| Pin 21 | RC4 — GPIO / AN19 |
| Pin 22 | RC5 — GPIO / AN20 |
| Pin 23 | RC6 — GPIO / AN21 |
| Pin 24 | RC7 — GPIO / AN22 |
| Pin 25 | RC8 — GPIO / AN23 |
| Pin 26 | RC9 — GPIO / AN24 |
| Pin 27 | VUSB — USB voltage reference |
| Pin 28 | D+ — USB D+ line |
| Pin 29 | D- — USB D- line |
| Pin 30 | VSS — Digital ground |
| Pin 31 | OSC1 — Crystal oscillator input |
| Pin 32 | OSC2 — Crystal oscillator output |
| Pin 33 | RD0 — GPIO / AN25 |
| Pin 34 | RD1 — GPIO / AN26 |
| Pin 35 | RD2 — GPIO / AN27 |
| Pin 36 | RD3 — GPIO / AN28 |
| Pin 37 | RD4 — GPIO |
| Pin 38 | RD5 — GPIO |
| Pin 39 | RD6 — GPIO |
| Pin 40 | RD7 — GPIO |
| Pin 41 | RE0 — GPIO / AN28 |
| Pin 42 | RE1 — GPIO |
| Pin 43 | RE2 — GPIO |
| Pin 44 | RE3 — GPIO / AN29 |
Typical Applications
PIC32MX210F016DT-I/ML is suitable for 7 applications: USB HID Peripherals, Audio Playback Devices, Low-Cost Graphics Displays, Capacitive Touch Interfaces, Industrial Sensor Nodes, Home Automation Hubs, Educational Development Boards.
USB HID Peripherals
The PIC32MX210F016DT-I/ML is ideally suited for USB Human Interface Devices such as keyboards, mice, game controllers, and custom HID peripherals. Its integrated USB 2.0 full-speed device controller with on-chip transceiver eliminates the need for external PHY components, reducing BOM cost and PCB area. The 40 MHz MIPS32 M4K core provides sufficient computational headroom for HID report processing, while 16 KB Flash comfortably holds USB stacks and HID descriptors. Designers benefit from Microchip's free MLA USB library and the MPLAB Harmony framework, which provide certified HID class drivers. At full USB active current draw under 25 mA, the device can be bus-powered without violating USB 2.0 power budgets.
Recommended
Audio Playback Devices
The PIC32MX210F016DT-I/ML targets cost-sensitive audio applications such as MP3 player modules, Bluetooth audio sink controllers, and simple voice prompt systems. Its two I2S/SPI modules support direct connection to external audio DACs and codecs, while the CTMU enables touch-based playback controls. Running at 40 MHz, the M4K core can decode compressed audio formats in real time when paired with optimized software libraries. The 4 KB SRAM is sufficient for short audio buffers, and 16 KB Flash holds the decoder and user interface code. Designers can leverage the PIC32 audio library examples from Microchip for rapid prototyping.
Recommended
Low-Cost Graphics Displays
The PIC32MX210F016DT-I/ML drives small TFT LCD and OLED graphical displays through its integrated Parallel Master Port (PMP), supporting 8-bit or 16-bit parallel interfaces. This enables affordable HMI implementations in appliances, instruments, and IoT control panels. The 40 MHz core and 4 KB SRAM support framebuffer-free direct rendering for simple menus and gauges. With PPS, designers can remap PMP data lines to almost any I/O, simplifying PCB layout for non-standard display pinouts. The CTMU enables touch input when paired with an external resistive touch controller.
Recommended
Capacitive Touch Interfaces
The PIC32MX210F016DT-I/ML leverages its integrated Charge Time Measurement Unit (CTMU) and mTouch library to implement capacitive touch buttons, sliders, and proximity sensors. This makes it suitable for appliance front panels, medical device interfaces, and industrial control surfaces where mechanical switches are undesirable. The CTMU uses constant-current sources to measure touch electrode capacitance with sub-pF resolution. With 34 I/O and PPS, the device can scan up to 30 individual touch channels in a single multiplexed matrix, all handled without external touch ICs.
Recommended
Industrial Sensor Nodes
The PIC32MX210F016DT-I/ML fits industrial 4-20 mA sensor transmitters, thermocouple monitors, and small process controllers. Its 10-bit ADC reads multiple analog inputs simultaneously; 34 I/O drive relays, optocouplers, and indicator LEDs; USB serves as a service-port interface for configuration and firmware updates. The industrial -40 to +85 C operating range covers most factory environments. With 16 KB Flash and Microchip's Harmony or MLA libraries, engineers can implement Modbus RTU, PID control loops, and digital filtering in a single chip.
Recommended
Home Automation Hubs
The PIC32MX210F016DT-I/ML enables compact home automation peripherals such as smart light switches, climate sensor stations, and bridge devices for ZigBee or sub-GHz radios via SPI/UART. The integrated USB port supports wired backhaul or local configuration interfaces. With PPS, designers can connect multiple radio modules simultaneously and switch the MCU role between primary controller and bridge. 16 KB Flash holds lightweight wireless stacks and application logic, while the 40 MHz core provides responsive user interface updates and event handling for multi-room coordination.
Recommended
Educational Development Boards
The PIC32MX210F016DT-I/ML is widely used in academic microcontroller courses and maker projects thanks to its low cost, MPLAB X IDE support, and free Harmony/MPLAB Code Configurator tools. The 44-QFN package is supported by Microchip's PIC32MX starter kits and Curiosity development platform. 16 KB Flash and 4 KB SRAM are sufficient for typical lab exercises in GPIO, timers, ADC, USB, and PWM. The CTMU also enables hands-on capacitive touch experiments, while PMP supports small TFT-based GUI labs.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX210F016DT-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX210F016D-I/ML | PIC32MX110F016D-I/ML | PIC32MX130F064D-I/ML | PIC32MX150F128D-I/ML | PIC32MX154F128DT-I/ML | PIC32MX170F256D-I/ML |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm |
| Flash Memory | 16 KB | 16 KB | 16 KB | 64 KB | 128 KB | 128 KB | 256 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 8 KB | 8 KB | 8 KB | 64 KB |
| Core Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 50 MHz |
| USB Interface | Yes (FS Device) | Yes (FS Device) | Yes (FS Device) | Yes (FS Device) | Yes (FS Device) | Yes (FS Device) | Yes (FS Device) |
| CTMU (mTouch) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| CAN 2.0B | No | No | No | No | No | Yes | No |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Approx Unit Price (USD, qty 100) | 3.68 | 3.50 | 3.20 | 4.10 | 4.85 | 5.20 | 6.10 |
Key Differentiators
- Integrated USB 2.0 Full-Speed Device (vs PIC32MX110F016D-I/ML)
- Compact 44-QFN footprint with exposed thermal pad (vs PIC32MX150F128D-I/ML)
- Industrial -40 to +85 C temperature range (vs PIC32MX170F256D-I/ML (E-temp variant))
- Free MPLAB Harmony and MLA software stacks (vs Cross-brand Cortex-M0+ MCUs)
Design Notes
Place a 0.1 uF decoupling capacitor within 3 mm of every VDD/AVDD pair on the PIC32MX210F016DT-I/ML. Add a bulk 10 uF tantalum or ceramic capacitor at the board supply input. According to Microchip's hardware design checklist, improper decoupling causes USB enumeration failures and ADC accuracy degradation. Tie all unused I/O to defined logic levels (VDD or VSS) to minimize supply current.
The 44-QFN (ML, 8x8 mm, 0.65 mm pitch) package has a center exposed thermal pad that MUST be soldered to a corresponding copper pad on the PCB. Connect the thermal pad directly to the ground plane using multiple thermal vias (9-16 vias recommended) for optimal heat dissipation and electrical performance. Microchip's package outline drawings (DS60001168L) provide the exact land pattern dimensions.
The USB D+/D- differential pair on the PIC32MX210F016DT-I/ML requires 90 ohm differential impedance with traces matched within 150 mil. Place the USB series termination resistors and ESD protection diode within 4 mm of the D+/D- pins. According to USB 2.0 specification, the trace length from the MCU to the USB connector should be less than 50 mm and avoid parallel routing with high-frequency switching signals.
Do not skip the configuration of the Peripheral Pin Select (PPS) registers before using any remappable digital peripheral - the device will not function correctly out of reset without PPS unlock sequence. Also, the Configuration Words must be programmed to set the oscillator mode and watchdog timer correctly; an unprogrammed device may fail to start. Always use the latest MPLAB Harmony or MPLAB Code Configurator for register setup.
Compliance Information
RoHS and REACH compliant per Microchip product declaration. Standard industrial -40 to +85 C temperature range. For automotive AEC-Q100 applications, choose V-suffix variant PIC32MX210F016D-V/ML.
