PIC32MX210F016D-I/PT - 40MHz 32-bit MCU 16KB Flash USB | Microchip
MPN: PIC32MX210F016D-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.65 | $265.00 |
| 500 | $2.31 | $1,155.00 |
| 1,000 | $1.96 | $1,960.00 |
| 3,000 | $1.74 | $5,220.00 |
PIC32MX210F016D-I/PT Overview
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 on a single die. Within the broader taxonomy, the PIC32MX210F016D belongs to the 32-bit MCU family, specifically the MIPS M4K architecture, sitting between 8/16-bit MCUs and application processors in compute hierarchy. It executes instructions at less than 0.5 mA/MHz, making it suitable for USB-powered and battery-constrained designs.
Key differentiating features include 34 I/O ports, an industrial operating temperature range of -40C to +105C, multiple power management modes (Sleep, Idle, Doze), and pin compatibility with most Microchip 16-bit devices, easing migration from legacy PIC24/dsPIC designs. The separate PLLs for CPU and USB clocks allow precise USB 2.0 full-speed timing independent of the system clock.
The architecture combines Harvard bus topology with a 5-stage pipeline, achieving 1.53 DMIPS/MHz. On-chip hardware DMA (up to 4 channels with automatic data size detection) off-loads peripheral data movement from software, and five 16-bit general-purpose timers (with up to two 32-bit timers) provide flexible timing resources for embedded control.
Typical applications include USB human-interface devices (HIDs), capacitive touch keypads (mTouch), small graphics displays via PMP, audio codec interfaces, and industrial sensor hubs. The integrated CTMU enables touch buttons and sliders without external analog front-ends, reducing BOM cost.
When designing with this part, note that PPS remapping must be configured in software before the corresponding peripheral is enabled, and VDD/VUSB decoupling requires both 1uF and 0.1uF ceramic capacitors placed within 3 mm of the pins for USB compliance. Migration to PIC32MX170/230/250/270/274 families is pin-compatible within the same TQFP-44 footprint for future-proofing.
Drop-in alternatives for PIC32MX210F016D-I/PT — 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 PIC32MX210F016D-I/PT (same form factor and footprint) — differing in Core Architecture, Timers, Package, Program Memory (Flash), Active Current Consumption.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX210F016D-V/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX220F032D-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX230F064D-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX250F128D-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX210F016D-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| CPU Bit Width | 32-bit |
| Maximum CPU Speed | 40 MHz (66 DMIPS) |
| Performance | 1.53 DMIPS/MHz |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data SRAM | 4 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| USB Supply Voltage (VUSB) | 2.3 V to 3.6 V |
| Active Current Consumption | <0.5 mA/MHz |
| I/O Ports | 34 |
| USB Interface | USB 2.0 Full-Speed Device |
| SPI/I2S Modules | 2 |
| UART Modules | 2 |
| I2C Modules | 2 |
| DMA Channels | Up to 4 |
| Timers | Five 16-bit (up to two 32-bit) |
| CTMU | Yes (Charge Time Measurement Unit) |
| PMP (Parallel Master Port) | Yes |
| PPS (Peripheral Pin Select) | Yes |
| Package | 44-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +105C (Industrial) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MX210F016D-I/PT Pin Configuration
| Pin 1 | RPB0/AN0/C1IND/CTED1/PMA0 — Remappable I/O / Analog input / CTMU input |
| Pin 2 | RPB1/AN1/C1INC/CTED2/PMA1 — Remappable I/O / Analog input / CTMU input |
| Pin 3 | RPB2/AN2/C1INB/C2INB/USBOEN — Remappable I/O / USB output enable |
| Pin 4 | RPB3/AN3/C2INA — Remappable I/O / Analog input |
| Pin 5 | VDD — Positive supply voltage (2.3V-3.6V) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RPB4/AN4/C1INB — Remappable I/O / Analog input |
| Pin 8 | RPB5/AN5/C1INA — Remappable I/O / Analog input |
| Pin 9 | RPB6/AN6/OC1/PGC — Remappable I/O / ICSP clock |
| Pin 10 | RPB7/AN7/OC2/PGD — Remappable I/O / ICSP data |
| Pin 11 | VSS — Ground reference |
| Pin 12 | RPC0/T1CK — Remappable I/O / Timer1 clock |
| Pin 13 | RPC1/RPC1 — Remappable I/O |
| Pin 14 | RPC2/RPC2 — Remappable I/O |
| Pin 15 | RPC3/RPC3 — Remappable I/O |
| Pin 16 | RPC4/SDO1 — Remappable I/O / SPI1 data out |
| Pin 17 | RPC5/SDI1 — Remappable I/O / SPI1 data in |
| Pin 18 | RPC6/SCK1 — Remappable I/O / SPI1 clock |
| Pin 19 | RPC7/RPC7 — Remappable I/O |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply voltage (2.3V-3.6V) |
| Pin 22 | OSC1/CLKI/RC15 — Oscillator crystal input / external clock |
| Pin 23 | OSC2/CLKO/RC13 — Oscillator crystal output / clock output |
| Pin 24 | MCLR/RPA0 — Master clear reset (active low) / Remappable I/O |
| Pin 25 | RPA1/CTED3/PMA2 — Remappable I/O / CTMU / PMP |
| Pin 26 | RPA2/CTED4/PMA3 — Remappable I/O / CTMU / PMP |
| Pin 27 | RPA3/CTED5/PMA5 — Remappable I/O / CTMU / PMP |
| Pin 28 | VUSB — USB transceiver supply voltage |
| Pin 29 | VBUS — USB bus voltage detect |
| Pin 30 | D+ — USB D+ data line |
| Pin 31 | D- — USB D- data line |
| Pin 32 | VSS — Ground reference |
| Pin 33 | VDD — Positive supply voltage (2.3V-3.6V) |
| Pin 34 | RPD0/SDO2 — Remappable I/O / SPI2 data out |
| Pin 35 | RPD1/SDI2 — Remappable I/O / SPI2 data in |
| Pin 36 | RPD2/SCK2 — Remappable I/O / SPI2 clock |
| Pin 37 | RPD3/RPD3 — Remappable I/O |
| Pin 38 | RPD4/RPD4 — Remappable I/O |
| Pin 39 | RPD5/PMD6 — Remappable I/O / PMP data |
| Pin 40 | RPD6/PMD7 — Remappable I/O / PMP data |
| Pin 41 | RPD7/PMD8 — Remappable I/O / PMP data |
| Pin 42 | RPE0/PMD0 — Remappable I/O / PMP data |
| Pin 43 | RPE1/PMD1 — Remappable I/O / PMP data |
| Pin 44 | RPE2/PMD2 — Remappable I/O / PMP data |
Typical Applications
PIC32MX210F016D-I/PT is suitable for 6 applications: USB HID Devices (Mouse, Keyboard, Custom HID), Capacitive Touch Keypads and Sliders (mTouch), Small Graphics Displays (PMP Parallel Master Port), Audio Codec Interfaces (I2S/SP), Industrial Sensor Hubs and Data Loggers, Battery-Powered IoT Edge Devices.
USB HID Devices (Mouse, Keyboard, Custom HID)
The PIC32MX210F016D-I/PT is well-suited for USB Human Interface Devices because it integrates a USB 2.0 full-speed device controller with dedicated PLL for precise 12 MHz USB timing, plus 16 KB Flash and 4 KB SRAM sufficient for HID class descriptors and report buffers. At 40 MHz the MIPS M4K core executes the USB interrupt service routine with comfortable margin, while PPS remapping simplifies PCB routing of the D+/D- lines. The VUSB pin requires 1uF + 0.1uF ceramic decoupling within 3 mm for USB compliance testing.
Recommended
Capacitive Touch Keypads and Sliders (mTouch)
The PIC32MX210F016D-I/PT integrates the CTMU (Charge Time Measurement Unit) which provides hardware-based capacitance measurement for the Microchip mTouch capacitive touch library. Designers can implement touch buttons, sliders, and proximity sensors without external analog front-ends, reducing BOM cost. Combined with the 40 MHz MIPS core, the MCU can debounce and process touch events in real time, while PPS remapping allows touch channels to be assigned to any of the 34 I/O pins.
Recommended
Small Graphics Displays (PMP Parallel Master Port)
The PIC32MX210F016D-I/PT's integrated Parallel Master Port (PMP) drives small TFT and OLED graphic displays up to QVGA resolution, making it appropriate for human-machine interfaces on appliances, instruments, and consumer devices. The 16 KB Flash holds graphics fonts and bitmap assets, and the 40 MHz core refreshes the frame buffer at acceptable rates for static or low-motion UIs. PMP pins are multiplexed with general I/O, so designers must plan pin allocation early in the schematic phase.
Recommended
Audio Codec Interfaces (I2S/SP)
The PIC32MX210F016D-I/PT provides two I2S/SPI modules that interface directly to external audio codecs for digital audio playback and capture applications such as Bluetooth speakers, intercoms, and voice prompt systems. Combined with 4 KB SRAM for audio buffers and DMA support that off-loads sample movement, the part handles 16-bit/44.1 kHz audio without CPU saturation. The MCU's low 0.5 mA/MHz active current extends battery life in portable audio designs.
Recommended
Industrial Sensor Hubs and Data Loggers
The PIC32MX210F016D-I/PT operates across -40C to +105C industrial temperature range with 34 I/O pins available for multiple sensor interfaces (UART, I2C, SPI). Its 4-channel DMA off-loads repetitive ADC and sensor reads, freeing the MIPS M4K core to run calibration and Modbus/CANopen protocol stacks. The 16 KB Flash stores bootloaders plus application code, and the 40 MHz speed handles typical 10-100 Hz sensor sampling rates with significant headroom for filtering algorithms.
Recommended
Battery-Powered IoT Edge Devices
The PIC32MX210F016D-I/PT's 0.5 mA/MHz active current, multiple power management modes (Sleep, Idle, Doze), and integrated peripherals make it appropriate for battery-powered IoT edge nodes. Designers leverage Sleep mode (<1 uA typical) between sensor reads, and the CTMU provides ultra-low-power touch wake-up without external components. The 2.3V-3.6V supply range aligns directly with single-cell Li-ion (3.0V-4.2V with LDO) or 2xAA alkaline battery stacks.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX210F016D-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX210F016D-V/PT | PIC32MX210F016D-I/ML | PIC32MX220F032D-I/PT | PIC32MX230F064D-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | QFN-44 - different | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 8 KB | 16 KB |
| Maximum CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| USB Interface | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| I/O Pins | 34 | 34 | 34 | 34 | 34 |
Key Differentiators
- Integrated USB 2.0 full-speed device with dedicated PLL (vs PIC32MX110F016D-I/PT)
- Integrated CTMU for capacitive touch sensing (vs PIC32MX230F064D-I/PT)
- PMP for small graphics displays (vs PIC32MX210F016B-I/SP (28-pin))
Design Notes
Decoupling the VDD, VUSB, and VBAT pins requires both a 1uF and 0.1uF ceramic capacitor placed within 3 mm of the respective pins, with traces kept short and wide. VUSB (USB transceiver supply) and VDD (core supply) are typically tied to the same 3.3V rail but require independent decoupling networks. Bulk 10uF tantalum or ceramic on the main 3.3V rail handles transient current during USB enumeration peaks (up to 100 mA in USB spec).
Route USB D+ and D- as a 90-ohm differential pair with matched length within 150 mil. Keep the pair away from switching regulators and high-frequency clocks (>20 MHz). Place the 27 ohm series damping resistors on D+/D- close to the MCU pins. Maintain continuous ground plane under the USB traces and provide a clean chassis ground connection for EMI.
PPS (Peripheral Pin Select) remapping must be configured before the corresponding peripheral module is enabled, otherwise the I/O will be in default mode. Assign pins in software initialization code in the order UART, SPI, I2C, then timers to prevent conflicts. For TQFP-44 designs, reserve pins 28-31 (VUSB/VBUS/D+/D-) exclusively for USB and do not multiplex with other functions.
At full 40 MHz operation with all peripherals active, the PIC32MX210F016D-I/PT dissipates approximately 20 mA total current (0.5 mA/MHz x 40 MHz), resulting in ~66 mW power at 3.3V. The TQFP-44 package thermal resistance theta_JA is approximately 50 C/W, yielding a 3.3C junction temperature rise above ambient - well within the 125C maximum junction limit for industrial applications.
Do not enable peripheral modules before configuring their PPS pin mappings - this causes the module to drive default pins and may conflict with other peripherals. Ensure the MCLR pin has a 10k pull-up to VDD and a 100 nF decoupling cap to ground for proper in-circuit programming. The CTMU module requires calibration via the CTMUCON register at startup before reliable touch measurements can be obtained.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +105C). Not AEC-Q100 qualified - automotive designs should consider PIC32MX series with explicit automotive grade designation.