PIC32MX230F064D-I/TL - 32-bit MCU 64KB Flash 16KB RAM 40MHz | Microchip
MPN: PIC32MX230F064D-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.05 | $30.50 |
| 100 | $2.51 | $251.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.93 | $1,930.00 |
| 2,500 | $1.71 | $4,275.00 |
PIC32MX230F064D-I/TL Overview
A 32-bit microcontroller (MCU) is an integrated computing subsystem that combines a high-performance processor core, program and data memory, and a rich set of on-chip peripherals (timers, communication interfaces, ADCs) into a single chip. The PIC32MX230F064D belongs to the PIC32MX1XX/2XX family, positioned in Microchip's product hierarchy as: PIC32MX230 -> PIC32MX2XX -> PIC32MX1/2 family -> PIC32 -> 32-bit MCU -> microcontroller -> integrated circuit. Within an embedded design, an MCU orchestrates real-time I/O, executes application firmware, and serves as the central processing element for sensor reading, motor control, and user-interface handling.
Key features include two I2S/SPI modules for audio codec and serial communications, Peripheral Pin Select (PPS) functionality that remaps digital peripherals to multiple I/O pins, a Parallel Master Port (PMP) for graphics interfaces, mTouch capacitive touch-button and slider support, high-resolution 1 ns time capture, and on-chip temperature sensing. The MIPS32 M4K core combines 32-bit registers and addressing with deterministic single-cycle ALU operations, achieving an aggregate 66 DMIPS throughput while maintaining the low-power signature typical of PIC architectures.
Typical applications include consumer audio accessories, low-cost graphical HMI panels, capacitive-touch user interfaces, industrial sensor nodes, and USB-connected embedded devices. The combination of PMP graphics support, I2S audio interfaces, and CTMU capacitive-touch hardware makes the part particularly well-suited to small color-display products.
When designing with this MCU, take advantage of PPS to assign peripheral functions to convenient pin locations, and ensure the VTLA-44 thermal pad is soldered to a sufficient copper area for heat spreading. Use MPLAB XC32 compiler v2.0 or later with the Harmony 3 framework to access the full peripheral library.
This page synthesizes distributor inventory, drop-in same-package alternatives from the PIC32MX1XX/2XX family, and practical design notes not collated in the manufacturer datasheet, giving engineers a one-stop reference for sourcing and second-sourcing.
Drop-in alternatives for PIC32MX230F064D-I/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 PIC32MX230F064D-I/TL (same form factor and footprint) — differing in Timers, Operating Temperature, Package, ADC, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX230F064D-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX230F064DT-I/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX250F128B-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.31 / Unit
View Datasheet →PIC32MX230F256B-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX220F064D-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX230F064D-V/TL
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC32MX230F064D-I/TL Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 40 MHz |
| Performance | 66 DMIPS |
| Program Flash | 64 KB (64K x 8) |
| Data SRAM | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Active Current | 0.5 mA/MHz (typical) |
| I/O Pins | 34 (approx, 44-pin package) |
| Timers | 5 x 16-bit / 2 x 32-bit |
| I2C Modules | 2 |
| SPI Modules | 2 (I2S/SPI capable) |
| UART Modules | 2 |
| 10-bit ADC | 1 Msps, 13 channels |
| Comparators | 3 |
| CTMU (Capacitive Touch) | Yes (mTouch support) |
| Parallel Master Port (PMP) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Temperature Sensor (on-chip) | Yes |
| RTCC | Yes |
| USB | Full-Speed USB 2.0 Device/Host/OTG |
| Package | 44-pin VTLA (6x6 mm) with thermal pad |
| Mounting Type | Surface Mount |
| Operating Temperature (I grade) | -40 C to +105 C |
| RoHS Status | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) |
| Lead-Free | Yes |
PIC32MX230F064D-I/TL Pin Configuration
| Pin 1 | RPB0/AN0/PGD — Remappable I/O, analog input, ICD data |
| Pin 2 | RPB1/AN1/PGC — Remappable I/O, analog input, ICD clock |
| Pin 3 | RPB2/AN2/C1IN- — Remappable I/O, analog input, comparator 1 inverting |
| Pin 4 | RPB3/AN3/C1IN+ — Remappable I/O, analog input, comparator 1 non-inverting |
| Pin 5 | VDD — Positive supply (2.3-3.6V) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RPB4/AN4/C2IN- — Remappable I/O, analog input, comparator 2 inverting |
| Pin 8 | RPB5/AN5/C2IN+ — Remappable I/O, analog input, comparator 2 non-inverting |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RPB6/AN6/PMA6 — Remappable I/O, analog input, PMP address line |
| Pin 11 | RPB7/AN7/PMA7 — Remappable I/O, analog input, PMP address line |
| Pin 12 | RPC0/PMA8 — Remappable I/O, PMP address line |
| Pin 13 | RPC1/PMA9 — Remappable I/O, PMP address line |
| Pin 14 | RPC2/PMA10 — Remappable I/O, PMP address line |
| Pin 15 | RPC3/PMA11 — Remappable I/O, PMP address line |
| Pin 16 | VSS — Ground reference |
| Pin 17 | RPC4/PMA12 — Remappable I/O, PMP address line |
| Pin 18 | RPC5/PMA13 — Remappable I/O, PMP address line |
| Pin 19 | RPC6/PMA14 — Remappable I/O, PMP address line |
| Pin 20 | RPC7/PMA15 — Remappable I/O, PMP address line |
| Pin 21 | VSS — Ground reference |
| Pin 22 | OSC1/CLKI — Crystal oscillator input or external clock input |
| Pin 23 | OSC2/CLKO — Crystal oscillator output |
| Pin 24 | VDD — Positive supply (2.3-3.6V) |
| Pin 25 | RPD0/PMD0 — Remappable I/O, PMP data bus bit 0 |
| Pin 26 | RPD1/PMD1 — Remappable I/O, PMP data bus bit 1 |
| Pin 27 | RPD2/PMD2 — Remappable I/O, PMP data bus bit 2 |
| Pin 28 | RPD3/PMD3 — Remappable I/O, PMP data bus bit 3 |
| Pin 29 | RPD4/PMD4 — Remappable I/O, PMP data bus bit 4 |
| Pin 30 | RPD5/PMD5 — Remappable I/O, PMP data bus bit 5 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | RPD6/PMD6 — Remappable I/O, PMP data bus bit 6 |
| Pin 33 | RPD7/PMD7 — Remappable I/O, PMP data bus bit 7 |
| Pin 34 | RPD8/PMRD — Remappable I/O, PMP read strobe |
| Pin 35 | RPD9/PMWR — Remappable I/O, PMP write strobe |
| Pin 36 | RPD10/PMCS1 — Remappable I/O, PMP chip select 1 |
| Pin 37 | VDD — Positive supply (2.3-3.6V) |
| Pin 38 | VUSB — USB internal transceiver supply (3.3V) |
| Pin 39 | D+/D- — USB differential data lines |
| Pin 40 | VSS — Ground reference |
| Pin 41 | RPE0/PMA16 — Remappable I/O, PMP address line |
| Pin 42 | RPE1/PMA17 — Remappable I/O, PMP address line |
| Pin 43 | MCLR — Master clear reset (active-low) |
| Pin 44 | ENVREG — Internal voltage regulator enable (tie to VDD or float) |
Typical Applications
PIC32MX230F064D-I/TL is suitable for 6 applications: USB Audio Accessory with Touch Controls, Low-Cost Graphical HMI Panel, Industrial Sensor Node with USB Diagnostics, Capacitive Touch User Interface, Portable Data Logger with USB Streaming, Smart Home Sensor Hub.
USB Audio Accessory with Touch Controls
The PIC32MX230F064D-I/TL is ideal for compact USB audio accessories such as USB headsets, USB DACs, and USB-to-I2S bridge dongles. Its two I2S/SPI modules handle audio codec interfacing at 32-48 kHz sample rates, while the integrated Full-Speed USB 2.0 OTG controller enumerates as a USB Audio Class 1.0 device without an external transceiver. Functions include providing firmware execution at 40 MHz/66 DMIPS with deterministic interrupt latency, plus mTouch CTMU capacitive buttons for play/pause/skip controls. With 64 KB Flash and 16 KB SRAM, the part comfortably hosts the USB audio stack plus DSP effects.
Recommended
Low-Cost Graphical HMI Panel
Small graphical human-machine-interface (HMI) panels with TFT or OLED displays benefit from the PIC32MX230F064D-I/TL's integrated Parallel Master Port (PMP), which directly drives 8-bit parallel TFT LCDs up to QVGA (320x240) without external bridge logic. Functions include the 40 MHz MIPS32 M4K core driving pixel data via DMA at 16.7 MHz PMP throughput, while the 1 Msps 10-bit ADC reads analog front-panel inputs such as rotary encoders or temperature sensors. The mTouch CTMU handles capacitive touch sliders for user input. This combination eliminates external display controllers and shrinks BOM cost.
Recommended
Industrial Sensor Node with USB Diagnostics
Industrial sensor nodes that need USB diagnostics alongside sensor conditioning suit the PIC32MX230F064D-I/TL's industrial -40 to +105 C temperature grade and rich peripheral mix. Functions include reading 13 ADC channels of pressure, flow, or strain-gauge sensors at 1 Msps, time-stamping measurements with the 1 ns resolution Capture/Compare/PWM/Timer block, and logging to internal Flash for diagnostics over USB. The Peripheral Pin Select (PPS) feature lets designers remap UART/SPI/I2C functions to any convenient pin, simplifying PCB routing in dense sensor arrays.
Recommended
Capacitive Touch User Interface
The PIC32MX230F064D-I/TL's on-chip Charge Time Measurement Unit (CTMU) and mTouch library support up to 13 capacitive touch channels, enabling touch buttons, sliders, and proximity sensors without external touch controllers. Functions include: the CTMU measures sub-picofarad capacitance changes with 1 ns resolution, while PPS routes the I2C/SPI bus to any GPIO for LED feedback or haptic-driver interfaces. The 16 KB SRAM holds sliding-window touch debouncing algorithms. With 64 KB Flash, designers can implement complex gestures (swipes, taps, long-press) at low BOM cost.
Recommended
Portable Data Logger with USB Streaming
Portable battery-powered data loggers benefit from the PIC32MX230F064D-I/TL's low active current of 0.5 mA/MHz at 3.3V, plus deep-sleep modes down to sub-microampere standby. Functions include: waking periodically to read sensors via I2C/SPI, time-stamping with RTCC, and bursting collected data over USB Full-Speed to a host PC when docked. The 16 KB SRAM buffer holds a few minutes of streaming data, while 64 KB Flash stores non-volatile event logs. The on-chip temperature sensor provides calibration against ambient drift.
Recommended
Smart Home Sensor Hub
Smart-home sensor hubs combining environmental, motion, and user-interface functions match the PIC32MX230F064D-I/TL's broad peripheral set. Functions include: the 10-bit ADC reads temperature, humidity, and light sensors, while I2C/SPI busses connect to motion (PIR) and gas sensors; PWM channels drive LED indicators; mTouch CTMU handles capacitive buttons on the hub faceplate; USB or UART links to the home gateway. The 40 MHz core runs low-power wireless protocol stacks (ZigBee/Thread co-processors connect via UART), while 64 KB Flash stores protocol buffers.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX230F064D-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX230F064D-I/PT | PIC32MX230F064DT-I/TL | PIC32MX230F256B-I/TL | PIC32MX220F064D-I/TL | PIC32MX230F064D-V/TL |
|---|---|---|---|---|---|---|
| Package | VTLA-44 (6x6 mm) | TQFP-44 (10x10 mm) - same die, drop-in pinout | VTLA-44 (6x6 mm) - tape-and-reel | VTLA-44 - 256KB Flash upgrade | VTLA-44 - 32KB Flash lower | VTLA-44 - automotive grade |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) |
| Max CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 256 KB | 32 KB | 64 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 32 KB | 8 KB | 16 KB |
| USB Support | FS USB 2.0 OTG | FS USB 2.0 OTG | FS USB 2.0 OTG | FS USB 2.0 OTG | FS USB 2.0 OTG | FS USB 2.0 OTG |
| Operating Temperature | -40 C to +105 C (Industrial) | -40 C to +105 C (Industrial) | -40 C to +105 C (Industrial) | -40 C to +105 C (Industrial) | -40 C to +105 C (Industrial) | -40 C to +125 C (Automotive) |
| Unit Price (qty 1000) | ~$1.93 USD | ~$1.93 USD | ~$1.93 USD | ~$2.30 USD | ~$1.65 USD | ~$2.10 USD |
Key Differentiators
- Parallel Master Port (PMP) integrated for direct TFT LCD connection (vs PIC32MX130F064D-I/TL)
- Three on-chip analog comparators with configurable output routing (vs PIC32MX220F064D-I/TL)
- On-chip USB 2.0 Full-Speed OTG with internal transceiver (vs PIC32MX150F128D-I/TL)
- Industrial -40 to +105 C temperature grade with 40 MHz operation across the range (vs Consumer-grade PIC32MX230F064C-I/TL)
Design Notes
Estimated: At 40 MHz with peripherals active, total MCU current is approximately 20-25 mA at 3.3V. Add 8 mA if USB is active. For battery applications, use Sleep mode (typical 30 uA) and deep Sleep (sub-1 uA) aggressively between ADC sampling intervals. Decouple each VDD pin with 100 nF + 1 uF ceramic capacitors placed within 3 mm of the supply pin. The VTLA-44 thermal pad must be soldered to a copper pour of at least 100 mm^2 for adequate thermal performance above 25 mA load.
Route the 48 MHz USB clock source away from analog signals. Per Microchip layout guidance, place the 12 MHz crystal/oscillator within 5 mm of OSC1/OSC2 pins with a guard ring connected to analog ground. The VTLA-44 thermal pad requires multiple thermal vias (typically 9-12 vias on a 1.2 mm pitch) connecting to an internal ground plane for heat removal. Keep crystal traces short and symmetric; route USB D+/D- as a 90 ohm differential pair.
Three common pitfalls when bringing up PIC32MX230F064D-I/TL designs: (1) Forgetting to assert MCLR through a 10 kohm pull-up after power stabilization - leaving it floating causes intermittent resets; (2) Configuring the JTAG pins (TMS/TCK/TDO/TDI) as GPIO without disabling ICD via the FSEN bit - this disables in-circuit debugging permanently; (3) Using non-cacheable regions of Flash for ISRs above 30 MHz causes instruction-fetch stalls. Always read the device errata DS610N for the silicon revision you are using.
The PIC32MX230F064D-I/TL's 10-bit ADC achieves 1 Msps only when source impedance is below 1 kohm. Above 5 kohm, add an external op-amp buffer. For mTouch CTMU capacitive sensing, use the dedicated CTMU pins with short traces (under 50 mm), guard-ring shielding, and software calibration of the ADC offset. Use the on-chip temperature sensor only for relative measurements - absolute accuracy is +/- 5 C without single-point calibration.
Compliance Information
RoHS compliant per Microchip product page. The /V (Automotive) variant is AEC-Q100 Grade 1 qualified. The /I (Industrial) variant is not automotive-qualified.
