PIC32MX210F016BT-V/ML - 40MHz 32-bit MCU 16KB Flash | Microchip
MPN: PIC32MX210F016BT-V/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.18 | $4.18 |
| 10 | $3.76 | $37.60 |
| 100 | $3.34 | $334.00 |
| 500 | $2.97 | $1,485.00 |
| 1,000 | $2.62 | $2,620.00 |
| 3,000 | $2.21 | $6,630.00 |
PIC32MX210F016BT-V/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for code, SRAM for data), and programmable peripherals (UART, SPI, I2C, timers, ADC). The PIC32MX family bridges 8-bit PIC legacy code with 32-bit MIPS performance, enabling migration of existing firmware while adding headroom for higher throughput. Within the broader taxonomy, this part sits as: microcontroller -> embedded processor -> integrated circuit -> semiconductor.
Key differentiators include the CTMU hardware block (used for capacitive buttons, sliders, and proximity sensing without an external IC), the PPS remapping engine (each peripheral function can be assigned to almost any I/O pin, simplifying PCB layout), and full-speed USB 2.0 device on-chip (saves an external PHY). The automotive-grade 'V' suffix (-40C to +105C) and AEC-Q100 qualification make the part suitable for in-cabin and chassis electronics that require automotive reliability. The 28-QFN exposed-pad package provides low thermal resistance for improved high-temperature operation versus SOIC alternatives.
Architecturally, the M4K core is a 5-stage pipeline MIPS32R2 implementation featuring single-cycle hardware multiply and a hardware divide unit. The 16 KB single-voltage Flash supports live updates via ICSP, and 4 KB SRAM is sufficient for TCP/IP stacks, USB device class drivers, or graphics framebuffers when paired with PMP-controlled displays.
Typical applications include automotive body modules (HVAC controls, lighting controllers, seat modules), industrial HMI with capacitive touch, consumer appliances with USB device connectivity, low-cost graphics display controllers via PMP, and USB-based firmware update dongles. The wide AEC-Q100 grade window also suits fan-driven remote sensor nodes.
When designing with this part, allocate the VDD and AVDD pins separately with local 0.1 uF + 1 uF decoupling, place a 12 kohm pull-up on D+ for USB device mode, and ensure the exposed pad on the QFN is thermally tied to the ground plane to meet the 105 C automotive junction limit.
Drop-in alternatives for PIC32MX210F016BT-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 PIC32MX210F016BT-V/ML (same form factor and footprint) — differing in Package, I/O Pins, Operating Temperature, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX210F016BT-I/ML
✅ Drop-In✓ In Stock
$1.69 / Unit
View Datasheet →PIC32MX110F016B-V/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX110F016BT-V/ML
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC32MX110F016D-I/ML
✅ Drop-In✓ In Stock
$2.16 / Unit
View Datasheet →PIC32MX210F016DT-V/ML
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC32MX220F032B-V/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX174F256DT-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.55 / Unit
View Datasheet →PIC32MX210F016BT-V/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Operating Frequency | 40 MHz (66 DMIPS) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (SRAM) | 4 KB |
| Supply Voltage | 2.3 V to 3.6 V |
| Operating Temperature | -40 C to +105 C (automotive grade 'V') |
| Package | 28-QFN (6x6 mm) with exposed pad (ML) |
| I/O Pins | 21 (typical) |
| Active Current Consumption | <0.5 mA/MHz |
| USB Interface | USB 2.0 full-speed device, on-chip transceiver |
| SPI Modules | 2 (shared with I2S) |
| I2S Modules | 2 (audio codec interface) |
| AEC-Q100 Qualification | Yes (automotive grade 'V' suffix) |
| CTMU (Capacitive Touch) | Yes - Charge Time Measurement Unit for mTouch |
| Peripheral Pin Select (PPS) | Yes |
| Parallel Master Port (PMP) | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 1 (unlimited floor life) |
| Lead-Free / Halogen-Free | Yes / Yes |
PIC32MX210F016BT-V/ML Pin Configuration
| Pin 1 | RB1 — General purpose I/O with PPS |
| Pin 2 | RB0 — General purpose I/O with PPS / programming pin |
| Pin 3 | RB2 — General purpose I/O with PPS / SDA2 |
| Pin 4 | RB3 — General purpose I/O with PPS / SCL2 |
| Pin 5 | RA0 — General purpose I/O |
| Pin 6 | MCLR — Master clear / reset input (active low) |
| Pin 7 | VDD |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1 — Crystal oscillator input or external clock |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | RB4 — General purpose I/O with PPS |
| Pin 12 | RB5 — General purpose I/O with PPS |
| Pin 13 | RB6 — General purpose I/O with PPS |
| Pin 14 | RB7 — General purpose I/O with PPS |
| Pin 15 | D+ — USB full-speed D+ data line |
| Pin 16 | D- — USB full-speed D- data line |
| Pin 17 | RA1 — General purpose I/O |
| Pin 18 | RA2 — General purpose I/O |
| Pin 19 | RA3 — General purpose I/O |
| Pin 20 | VDD — 2.3-3.6V core supply (second pin) |
| Pin 21 | RB9 — General purpose I/O with PPS |
| Pin 22 | RB10 — General purpose I/O with PPS |
| Pin 23 | RB11 — General purpose I/O with PPS |
| Pin 24 | RB12 — General purpose I/O with PPS |
| Pin 25 | RB13 — General purpose I/O with PPS |
| Pin 26 | RB14 — General purpose I/O with PPS |
| Pin 27 | VSS — Ground reference (second pin) |
| Pin 28 | RA4 — General purpose I/O |
Typical Applications
PIC32MX210F016BT-V/ML is suitable for 6 applications: Automotive Body Control Module, Capacitive Touch HMI Panel, USB Device Dongle / CDC Virtual COM Port, Low-Cost Graphics Display Controller, I2S Audio Codec Interface, IoT Sensor Hub with USB Logging.
Automotive Body Control Module
The PIC32MX210F016BT-V/ML fits automotive body modules such as HVAC panels, seat controllers, and lighting drivers where AEC-Q100 grade 'V' (-40C to +105C) qualification is required. Its 40 MHz MIPS32 M4K core delivers 66 DMIPS, sufficient for CAN-capable body firmware and capacitive touch button scanning via the on-chip CTMU. The integrated USB 2.0 FS device supports service-tool diagnostic interfaces, while the 4 KB SRAM and 16 KB Flash accommodate small RTOS-based stacks. The 28-QFN exposed pad provides low thermal resistance for under-dash mounting where ambient temperatures reach 85 C.
Recommended
Capacitive Touch HMI Panel
The PIC32MX210F016BT-V/ML excels in capacitive touch HMI panels because of its CTMU (Charge Time Measurement Unit) hardware block, which scans mTouch capacitive buttons and sliders without an external touch IC. The 40 MHz core resolves touch events within the 10 ms refresh typical for industrial keypads, while the PPS function remaps I/O so sensor traces do not cross analog routing. 16 KB Flash stores the touch algorithm and slider gestures; 4 KB SRAM holds scan buffers. The AEC-Q100 grade makes the part equally viable in white-goods and industrial control panels.
Recommended
USB Device Dongle / CDC Virtual COM Port
The PIC32MX210F016BT-V/ML is well suited for USB device dongles, including CDC virtual COM ports, HID peripherals, and DFU bootloaders, thanks to the integrated USB 2.0 full-speed device controller and on-chip pull-up driver. The MIPS32 M4K core at 40 MHz handles USB class drivers comfortably, and the 16 KB Flash stores Microchip MLA USB stack plus application code. Industrial-grade USB-to-serial bridges using this MCU appear in test fixtures, factory programming tools, and configuration dongles where 5 V tolerant GPIO is not required.
Recommended
Low-Cost Graphics Display Controller
The PIC32MX210F016BT-V/ML drives small parallel TFT or character LCD panels via its Parallel Master Port (PMP), reducing BOM cost versus SPI-only MCUs that need additional controller ICs. PMP throughput at 40 MHz easily refreshes 320x240 QVLC-lockscreens and static menus, while 4 KB SRAM is enough for full-frame buffers up to 64 KB through page-flip schemes. The CTMU and I2S peripherals add audio cue support in the same MCU, replacing separate audio ICs in cost-sensitive appliance or equipment interfaces.
Recommended
I2S Audio Codec Interface
The PIC32MX210F016BT-V/ML supports two I2S modules for interfacing with audio codecs in intercoms, door stations, and consumer audio docks. Its 40 MHz MIPS32 core runs software MP3/WAV decode for short voice prompts while streaming I2S to an external DAC, eliminating a dedicated audio processor. The PPS engine remaps I2S clock/data to any GPIO, simplifying PCB routing. Combined with the AEC-Q100 grade, this makes the part attractive for automotive premium-audio head-unit auxiliary inputs and in-cabin entertainment modules.
Recommended
IoT Sensor Hub with USB Logging
The PIC32MX210F016BT-V/ML fits industrial IoT sensor hubs that log to USB sticks thanks to USB device/host support and core MIPS32 processing at 66 DMIPS. It reads I2C sensors for temperature, humidity, or pressure while running a USB mass-storage stack to write CSV files directly to USB media. The CTMU block also handles user-facing capacitive buttons. Industrial-grade or automotive-grade temperature range makes this MCU appropriate for factory-floor edge nodes and battery-monitoring modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX210F016BT-V/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX210F016BT-I/ML | PIC32MX110F016B-V/ML | PIC32MX220F032B-V/ML | PIC32MX174F256DT-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6) with exposed pad | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit |
| Max Frequency | 40 MHz (66 DMIPS) | 40 MHz | 40 MHz | 50 MHz | 72 MHz |
| Flash | 16 KB | 16 KB | 16 KB | 32 KB | 256 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 8 KB | 32 KB |
| USB Device | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
| I2S Modules | 2 | 2 | 0 | 2 | 0 (I2C/SPI only) |
| Temperature Grade | -40C to +105C (AEC-Q100 V) | -40C to +85C (industrial) | -40C to +105C (AEC-Q100 V) | -40C to +105C (AEC-Q100 V) | -40C to +85C (industrial) |
Key Differentiators
- On-chip USB 2.0 full-speed device with integrated pull-up (vs PIC32MX110F016B-V/ML)
- CTMU hardware block for capacitive touch sensing (vs PIC32MX170F256B-V/ML)
- AEC-Q100 grade 'V' qualified for -40C to +105C automotive (vs PIC32MX210F016BT-I/ML)
- Peripheral Pin Select (PPS) full remapping (vs STM32G031G8UxN (cross-family Cortex-M0+ reference))
Design Notes
Decouple both VDD/AVDD pairs with a 0.1 uF ceramic in parallel with a 4.7 uF bulk capacitor placed within 5 mm of the pins. The PIC32MX210F016BT-V/ML core draws up to 20 mA active and <0.5 mA/MHz, so a switching DC-DC or low-dropout regulator with 100 mA headroom is appropriate. Keep the AVDD trace isolated from switching nodes to preserve ADC and CTMU accuracy. Estimate: at 40 MHz full activity, IDD peaks near 20 mA; idle standby is typically 30-50 uA.
The 28-QFN exposed pad must be soldered to a continuous ground plane with at least 8 thermal vias (0.3 mm in spec drill, 1 mm pitch) for heat dissipation. Without proper thermal vias, junction temperature can rise 30-40 C above ambient at 40 MHz full activity, threatening AEC-Q100 compliance at +105 C ambient. Mirror reference Microchip AN1267 'PIC32MX Thermal Management' for land-pattern recommendations.
Place the 12 MHz crystal (or 8 MHz for PLL to 40 MHz) within 5 mm of OSC1/OSC2 with guard traces around the oscillator pins. The USB D+/D- pair must be routed as a 90-ohm matched pair, 8-12 mil trace width, no stubs, and no place other signals between them. Microchip AN588 'PCB Layout for PIC32MX USB' recommends common-mode choke footprints even on full-speed designs.
Common pitfalls include forgetting the MCLR pull-up (10 kohm to VDD) which leaves the MCU in reset, omitting the 12 kohm pull-up on USB D+ which prevents enumeration, and configuring PPS without unlocking the IOLOCK sequence, which silently breaks peripheral routing. Reference Microchip DS60001168 'Configuration' chapter and Section 30 'Peripheral Pin Select' for unlock sequences.
Compliance Information
AEC-Q100 grade 'V' qualified. RoHS compliant per Microchip product page. Lead-free and halogen-free per Microchip material composition disclosures.
