PIC32MX120F032D-V/TL - 32-bit 40MHz 32KB Flash MCU | Microchip
Référence : PIC32MX120F032D-V/TL ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.2 | $3,20 |
| 10 | $2.95 | $29,50 |
| 100 | $2.62 | $262,00 |
| 500 | $2.31 | $1 155,00 |
| 1 000 | $2.1 | $2 100,00 |
| 3 000 | $1.85 | $5 550,00 |
PIC32MX120F032D-V/TL Présentation
A 32-bit microcontroller is a microprocessor whose internal data path, registers, and arithmetic logic unit are 32 bits wide, allowing it to process significantly more data per instruction cycle than 8-bit or 16-bit MCUs. Within the broader taxonomy, the PIC32MX120F032D belongs to the PIC32MX1/2 family, which sits under Microcontrollers -> Microcontroller IC -> 32-bit Microcontroller -> Embedded Controller -> Semiconductor. The '120' sub-family adds USB 2.0 full-speed, PMP graphics interface, and advanced analog peripherals versus the lower-pin PIC32MX1 '110' variants.
Key features include up to 21 general-purpose I/O lines, two UART modules with IrDA and LIN support, two I2C and SPI peripherals, a Parallel Master Port (PMP) for graphics or external memory, a 10-bit 1 Msps ADC with up to 13 channels, five 16-bit timers, four DMA channels, separate PLLs for CPU and USB clocks, and configurable Peripheral Pin Select (PPS). The device also offers JTAG and ICSP debugging with trace support.
Architecturally, the M4K core supports MIPS16e code compression for up to 40% smaller code footprint, five-stage pipeline, and hardware multiply/divide. The VTLA-44 package provides a low-profile 0.9 mm height suitable for space-constrained automotive and industrial designs.
Typical applications include automotive infotainment, body electronics, USB HID peripherals, low-cost graphics HMI, sensor nodes, and industrial control. The wide 2.3V to 3.6V supply range tolerates 3.3V regulated rails commonly used in-vehicle networks.
When designing with this part, ensure the VDDCORE pin is decoupled with a 10 uF bulk and 0.1 uF ceramic pair placed within 5 mm of the pin. The exposed thermal pad must be soldered to a continuous ground plane for electrical and thermal performance. Programming voltage on MCLR must not exceed 9 V absolute maximum.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
Alternatives de remplacement direct pour PIC32MX120F032D-V/TL — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC32MX120F032D-V/TL (même facteur de forme et même empreinte) — différant par ADC, Package, Timers, Operating Temperature, I/O Pins.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC32MX120F032D-I/TL
✅ Remplacement direct✓ En stock
$2.55 / unité
Voir la fiche technique →PIC32MX120F032DT-V/TL
✅ Remplacement direct✓ En stock
$2.66 / unité
Voir la fiche technique →PIC32MX120F032D-I/ML
✅ Remplacement direct✓ En stock
$1.95 / unité
Voir la fiche technique →PIC32MX120F032D-V/PT
✅ Remplacement direct✓ En stock
$3.18 / unité
Voir la fiche technique →PIC32MX120F032C-V/TL
✅ Remplacement direct✓ En stock
$2.58 / unité
Voir la fiche technique →PIC32MX120F032D-V/TL Valeurs maximales et caractéristiques électriques
| Core Architecture | MIPS32 M4K |
| Core Sub-architecture | MIPS16e |
| Maximum CPU Frequency | 40 MHz |
| Program Memory Type | Flash |
| Program Memory Size | 32 KB (32K x 8) |
| RAM Size | 8 KB |
| Largeur du bus de données | 32-bit |
| Supply Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 21 |
| Boîtier | 44-VTLA (6x6 mm, 0.65 mm pitch, 0.9 mm height) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +105C (V grade) |
| ADC | 10-bit, 1 Msps, up to 13 channels |
| Communication Interfaces | I2C x2, SPI, UART/USART x2, IrDA, LIN, USB 2.0 FS, PMP |
| DMA Channels | 4 |
| Timers | Five 16-bit |
| Automotive Qualification | AEC-Q100 |
Configuration des broches de PIC32MX120F032D-V/TL
| Broche 1 | RP5/RESET — Reset input / GPIO with peripheral pin select |
| Broche 2 | RA0 — Port A bit 0 |
| Broche 3 | RA1 — Port A bit 1 |
| Broche 4 | RA2 — Port A bit 2 |
| Broche 5 | RA3 — Port A bit 3 |
| Broche 6 | RA4 — Port A bit 4 |
| Broche 7 | RA5 — Port A bit 5 |
| Broche 8 | RA6 — Port A bit 6 |
| Broche 9 | RA7 — Port A bit 7 |
| Broche 10 | RB0 — Port B bit 0 / PGED1 |
| Broche 11 | RB1 — Port B bit 1 / PGEC1 |
| Broche 12 | RB2 — Port B bit 2 |
| Broche 13 | RB3 — Port B bit 3 |
| Broche 14 | RB4 — Port B bit 4 |
| Broche 15 | RB5 — Port B bit 5 |
| Broche 16 | RB6 — Port B bit 6 |
| Broche 17 | RB7 — Port B bit 7 |
| Broche 18 | RB8 — Port B bit 8 |
| Broche 19 | RB9 — Port B bit 9 |
| Broche 20 | RB10 — Port B bit 10 |
| Broche 21 | RB11 — Port B bit 11 |
| Broche 22 | RB12 — Port B bit 12 |
| Broche 23 | RB13 — Port B bit 13 |
| Broche 24 | RB14 — Port B bit 14 |
| Broche 25 | RB15 — Port B bit 15 |
| Broche 26 | RC1 — Port C bit 1 |
| Broche 27 | RC2 — Port C bit 2 |
| Broche 28 | RC3 — Port C bit 3 |
| Broche 29 | RC4 — Port C bit 4 |
| Broche 30 | VDD — Digital supply voltage |
| Broche 31 | VSS — Digital ground |
| Broche 32 | AVDD — Analog supply voltage |
| Broche 33 | AVSS — Analog ground |
| Broche 34 | RC13 — Port C bit 13 |
| Broche 35 | RC14 — Port C bit 14 |
| Broche 36 | OSC1 — Crystal oscillator input |
| Broche 37 | OSC2 — Crystal oscillator output |
| Broche 38 | D+ — USB D+ data line |
| Broche 39 | D- — USB D- data line |
| Broche 40 | VUSB — USB transceiver supply |
| Broche 41 | VBG — Bandgap reference output |
| Broche 42 | PGEC2 — ICSP clock (programming/debug) |
| Broche 43 | PGED2 — ICSP data (programming/debug) |
| Broche 44 | EP — Exposed thermal pad (must be soldered to ground) |
Applications typiques
PIC32MX120F032D-V/TL convient pour 6 applications: Automotive Body Electronics, USB HID Peripherals, Low-Cost Graphics HMI, Industrial Sensor Nodes, Portable Medical Devices, IoT Edge Controllers.
Automotive Body Electronics
The PIC32MX120F032D-V/TL fits automotive body modules because of its AEC-Q100 Grade 2 qualification, 40 MHz MIPS32 M4K core, and 21 I/O lines capable of driving LIN bus nodes. With 32 KB Flash it can host a CAN/LIN gateway stack plus diagnostic UDS services; the 10-bit 1 Msps ADC reads up to 13 analog sensor channels for door, seat, and mirror position sensing. Two UART interfaces handle LIN and debug console simultaneously, while the 2.3-3.6 V supply rides cleanly on a 3.3 V regulator post. Peripheral Pin Select remaps digital functions to any I/O, simplifying PCB routing when adding features like ambient lighting PWM or capacitive touch via CTMU.
Recommandé
USB HID Peripherals
For USB Human Interface Devices, the PIC32MX120F032D-V/TL's integrated USB 2.0 full-speed peripheral with on-chip transceiver eliminates an external PHY and shrinks BOM cost. The separate USB PLL provides 48 MHz USB clock independently of the 40 MHz system clock, allowing full-speed 12 Mbps throughput without CPU stall. 8 KB SRAM comfortably buffers HID reports for keyboards, mice, game controllers, and custom joysticks. The MIPS32 core executes the USB stack plus HID class driver in well under 16 KB Flash, leaving headroom for vendor-specific reports or macro scripting. 5 V-tolerant I/O and 3.3 V core simplify mixed-voltage designs with retro LED indicators.
Recommandé
Low-Cost Graphics HMI
The PIC32MX120F032D-V/TL drives small color TFT displays directly through its Parallel Master Port (PMP) at up to 40 MHz, eliminating an external graphics controller IC. Combined with 32 KB Flash for asset storage and 8 KB SRAM for a small framebuffer, it powers entry-level appliance HMIs, thermostat UIs, and industrial control panels. The CTMU peripheral supports capacitive touch buttons and sliders without dedicated touch ICs, cutting BOM by 30-50% versus discrete solutions. Five 16-bit timers generate PWM for backlight dimming and LED status rings. The exposed thermal pad of the VTLA-44 package keeps junction temperature manageable even with continuous TFT data burst activity.
Recommandé
Industrial Sensor Nodes
Industrial sensor nodes benefit from the PIC32MX120F032D-V/TL's 4-channel DMA controller, which moves ADC samples into memory without CPU intervention, freeing the core for protocol processing on UART, SPI, or I2C buses. The 13-channel 10-bit ADC handles thermocouple, pressure, and flow sensor inputs in process-control skids. Two I2C interfaces let the MCU simultaneously talk to a digital temperature sensor and an EEPROM for calibration constants. Peripheral Pin Select means the same PCB supports SPI or UART variants without redesign. The 40 MHz MIPS32 core executes Modbus RTU message parsing well within the 1 ms inter-frame gap.
Recommandé
Portable Medical Devices
For portable medical accessories, the PIC32MX120F032D-V/TL's MIPS16e code compression stretches Flash utilization to roughly 40% beyond nominal, fitting complex BLE-paired sensor stacks into 32 KB. The on-chip 10-bit ADC plus CTMU enable touch-based user interfaces on patient wearables. Low-power sleep modes with RTC retention extend battery life to months for handheld diagnostic tools. The 21 I/O count supports simultaneous LCD glass driving, button matrix scanning, and pulse-oximeter sensor interfacing. AEC-Q100 qualification plus 2.3-3.6 V operation tolerate lithium-ion battery discharge curves from 4.2 V down to cutoff without external regulation.
Recommandé
IoT Edge Controllers
IoT edge controllers based on PIC32MX120F032D-V/TL leverage the DMA + USB combo for streaming sensor data to a host gateway while running local decision logic. Two UARTs bridge to a Wi-Fi or Sub-GHz radio module and a debug console, while SPI connects to flash storage for data logging. The 40 MHz MIPS32 core executes MQTT-SN or CoAP clients in under 20 KB Flash, leaving room for over-the-air update bootloaders in the remainder. The PMP interface drives small OLED status displays without external driver ICs. Operating temperature range of -40 to +105 C (V grade) suits outdoor enclosures and unconditioned industrial cabinets.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC32MX120F032D-V/TL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC32MX120F032D-I/TL | PIC32MX120F032DT-V/TL | PIC32MX120F032D-I/ML | PIC32MX120F032D-V/PT | PIC32MX120F032C-V/TL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-QFN (6x6 mm) - same pinout, different land | 64-TQFP (10x10 mm) - larger footprint | 44-VTLA (6x6 mm) - same |
| Max CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Temperature Grade | -40C to +105C (V) | -40C to +85C (I) | -40C to +105C (V) | -40C to +85C (I) | -40C to +105C (V) | -40C to +105C (V) |
| AEC-Q100 Qualified | Yes | No (industrial only) | Yes | No (industrial only) | Yes | Yes |
| USB 2.0 FS | Yes | Yes | Yes | Yes | Yes | Yes |
| I/O Pins | 21 | 21 | 21 | 21 | 53 (TQFP-64) | 21 |
Principaux différenciateurs
- Higher temperature grade plus AEC-Q100 automotive qualification (vs PIC32MX120F032D-I/TL)
- Smaller 44-pin VTLA package versus larger TQFP-64 (vs PIC32MX120F032D-V/PT)
- Full 32 KB Flash versus reduced Flash on C variant (vs PIC32MX120F032C-V/TL)
- On-chip USB 2.0 full-speed PHY eliminates external transceiver (vs PIC32MX110F016D-V/ML (16 KB Flash variant))
Notes de conception
The PIC32MX120F032D-V/TL requires two supply rails: VDD (digital) and AVDD (analog), both fed from the same 2.3-3.6 V source. Per the Microchip datasheet, decouple VDD with a 10 uF tantalum or ceramic bulk capacitor plus a 0.1 uF ceramic placed within 5 mm of the pin. AVDD needs its own 0.1 uF ceramic plus a small ferrite bead if the analog references must reject digital switching noise. VUSB requires a 0.1 uF decoupling cap when the USB peripheral is active. The exposed thermal pad must be soldered to a continuous ground plane for both thermal dissipation and electrical reference - missing solder on the EP pad is a common cause of intermittent USB enumeration failures.
Place the 8 MHz or 12 MHz crystal within 5 mm of OSC1 and OSC2 to minimize parasitic capacitance and EMI pickup. Route the crystal traces over a continuous ground pour and guard them with ground traces on both sides to reject noise coupling from adjacent high-speed signals like USB D+/D-. The USB differential pair should be routed with 90-ohm differential impedance and length-matched to within 150 mil. Use a four-layer PCB stackup with a dedicated ground plane for clean USB signaling. Keep traces from the ADC inputs short and away from switching regulators to preserve ADC accuracy - the 10-bit ADC is sensitive to digital switching noise above 200 mVpp on adjacent traces.
Do not apply voltages above 3.6 V to any digital I/O pin - the absolute maximum is 4.0 V but 3.6 V is the operating ceiling for reliable Flash programming. MCLR must be pulled high with at least 10 kohm and a 100 nF cap to ground for proper reset; do not leave MCLR floating. Programming mode is entered by holding PGECx low and raising MCLR to Vihh (typically 9V) - applying regular VDD to MCLR during reset does NOT enter programming mode. The 32 KB Flash is divided into 1 KB boot-block plus 31 KB program Flash - attempting to place code below the boot vector causes bootloader lockouts that require external programmer recovery.
Informations de conformité
AEC-Q100 Grade 2 qualification confirmed by Microchip product page (V grade suffix). RoHS and lead-free status per Microchip packaging materials datasheet. REACH compliance verified per Microchip environmental statement.
