PIC32MX120F032D-V/PT - 32-bit 40MHz MCU, 32KB Flash, 44-TQFP
MPN: PIC32MX120F032D-V/PT ✓ فعالPIC32MX120F032D-V/PT جائزہ
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one package. PIC32MX devices sit in Microchip's 32-bit MIPS32 family, which evolved from the 8-bit PIC16/PIC18 architectures and targets higher-performance embedded applications requiring DSP-class arithmetic, larger memory maps, and richer peripheral sets such as USB, I2S, PMP, and CTMU.
Key features of this part include two I2S/SPI modules for codec and serial communication, Peripheral Pin Select (PPS) for flexible signal routing, a Parallel Master Port (PMP) for graphics interfaces, and a Charge Time Measurement Unit (CTMU) for mTouch capacitive-touch buttons and sliders. Five 16-bit timers support capture, compare, and PWM generation. The part also integrates DMA controllers and a 10-bit ADC for advanced analog acquisition.
The architecture combines a 5-stage MIPS32 M4K pipeline with tightly-coupled Flash and SRAM buses, providing deterministic interrupt latency and single-cycle multiply/divide support. The wide peripheral set and PPS mapping enable designers to repurpose almost any digital I/O pin for UART, SPI, I2C, or timer functions, simplifying board layout for mixed-signal designs.
Typical applications include automotive body and HMI controllers, low-cost graphics displays using PMP, capacitive-touch keypads using CTMU, USB device peripherals (via the companion PIC32MX USB parts), industrial sensor nodes, and audio codec front-ends using I2S. The 40 MHz speed class and 32 KB Flash are well matched to control-plane tasks with modest code footprints.
A practical design tip: when migrating firmware from a PIC24/PIC32MX1xx to a higher-pin-count variant (such as PIC32MX2xx 64-pin parts), keep the PPS unlock and I/O mapping consistent in code; otherwise peripheral pin reassignment will silently break drivers.
کے لیے ڈراپ اِن متبادل PIC32MX120F032D-V/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC32MX120F032D-V/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Timers, Communication Peripherals, I/O Pins.
PIC32MX120F032DT-V/TL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC32MX120F032D-I/TL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC32MX120F032D-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC32MX110F016D-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC32MX120F032C-V/TL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC32MX120F032D-V/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 40 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 34 (21 on the -V/PT variant per datasheet snippet) |
| Timers | Five 16-bit |
| DMA Channels | 4 |
| ADC | 10-bit, 1 MSPS |
| Serial Interfaces | I2S, SPI, I2C, UART |
| PMP (Parallel Master Port) | Yes |
| CTMU (Touch) | Yes (mTouch capacitive touch) |
| پیکیج | 44-pin TQFP (10x10 mm) |
| آپریٹنگ درجہ حرارت | -40C to +105C (AEC-Q100 automotive grade) |
| AEC-Q100 Qualification | Yes |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (per Microchip TQFP JEDEC J-STD-020) |
| RoHS اسٹیٹس | Compliant |
PIC32MX120F032D-V/PT پن کنفیگریشن
| پن 1 | RPB0/AN0 — Remappable I/O, analog input 0 |
| پن 2 | RPB1/AN1 — Remappable I/O, analog input 1 |
| پن 3 | RPB2/AN2 — Remappable I/O, analog input 2 |
| پن 4 | RPB3/AN3 — Remappable I/O, analog input 3 |
| پن 5 | VDD — Positive supply voltage |
| پن 6 | VSS — Ground reference |
| پن 7 | RPB4/AN4 — Remappable I/O, analog input 4 |
| پن 8 | RPB5/AN5 — Remappable I/O, analog input 5 |
| پن 9 | RPB6/PGC — Remappable I/O, ICSP clock |
| پن 10 | RPB7/PGD — Remappable I/O, ICSP data |
| پن 11 | VSS — Ground reference |
| پن 12 | VDD — Positive supply voltage |
| پن 13 | RPC0/PMPD0 — Remappable I/O, PMP data 0 |
| پن 14 | RPC1/PMPD1 — Remappable I/O, PMP data 1 |
| پن 15 | RPC2/PMPD2 — Remappable I/O, PMP data 2 |
| پن 16 | RPC3/PMPD3 — Remappable I/O, PMP data 3 |
| پن 17 | RPC4/PMPD4 — Remappable I/O, PMP data 4 |
| پن 18 | RPC5/PMPD5 — Remappable I/O, PMP data 5 |
| پن 19 | VSS — Ground reference |
| پن 20 | VDD — Positive supply voltage |
| پن 21 | RPC6/PMPD6 — Remappable I/O, PMP data 6 |
| پن 22 | RPC7/PMPD7 — Remappable I/O, PMP data 7 |
| پن 23 | RPC8/PMPRE — Remappable I/O, PMP read enable |
| پن 24 | RPC9/PMPWR — Remappable I/O, PMP write enable |
| پن 25 | OSC1/CLKI — Crystal oscillator input / external clock |
| پن 26 | OSC2/CLKO — Crystal oscillator output |
| پن 27 | VSS — Ground reference |
| پن 28 | VDD — Positive supply voltage |
| پن 29 | SOSCI/RPA4 — Secondary oscillator in / remappable I/O |
| پن 30 | SOSCO/RPA3 — Secondary oscillator out / remappable I/O |
| پن 31 | RPA2 — Remappable I/O |
| پن 32 | RPA1 — Remappable I/O |
| پن 33 | VSS — Ground reference |
| پن 34 | VDD — Positive supply voltage |
| پن 35 | MCLR — Master clear reset (active low) |
| پن 36 | RPA0 — Remappable I/O |
| پن 37 | AVDD — Analog positive supply |
| پن 38 | AVSS — Analog ground |
| پن 39 | RPD8/RTCC — Remappable I/O / RTCC output |
| پن 40 | RPD9 — Remappable I/O |
| پن 41 | RPD10 — Remappable I/O |
| پن 42 | RPD11 — Remappable I/O |
| پن 43 | VUSB — USB voltage reference (no USB on this part) |
| پن 44 | VSS — Ground reference |
عام استعمالات
PIC32MX120F032D-V/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive Body and HMI Controllers, Capacitive Touch Keypads and Sliders, Low-Cost Graphics Displays via PMP, Industrial Sensor Nodes, USB Device Peripherals (Companion Setup), Audio Codec Front-Ends via I2S.
Automotive Body and HMI Controllers
The PIC32MX120F032D-V/PT is AEC-Q100 qualified and rated -40C to +105C, making it a strong fit for automotive body controllers, climate-control HMI panels, and instrument-cluster sub-modules. With 32 KB Flash and 8 KB SRAM, the part runs a Real-Time OS or cooperative scheduler handling CAN-LIN gateway logic, key-scan inputs, and PWM lighting loads. Its PPS flexibility allows UART, SPI, and I2C peripherals to be remapped onto almost any I/O pin, simplifying board routing when the BOM is shared across vehicle variants. The 5-stage MIPS32 M4K core provides deterministic interrupt latency, important for safety-critical body-control timing.
تجویز کردہ
Capacitive Touch Keypads and Sliders
The integrated Charge Time Measurement Unit (CTMU) makes the PIC32MX120F032D-V/PT well suited for mTouch capacitive-touch buttons, sliders, and proximity sensors. Combined with the 40 MHz MIPS32 M4K core, the device can scan 20+ touch channels in under 5 ms while still running communication stacks and LED-control logic. The 8 KB SRAM comfortably holds a 10-15 channel touch state machine plus a UART debug console buffer. Pin assignment via PPS allows CTMU channels to be remapped onto spare GPIOs without changing the PCB, a major benefit during mechanical re-spin of touch panels.
تجویز کردہ
Low-Cost Graphics Displays via PMP
The PIC32MX120F032D-V/PT includes a Parallel Master Port (PMP) that can drive small TFT or OLED displays up to 8-bit parallel at moderate refresh rates, making it a cost-effective graphics controller for white-goods HMIs, e-bike dashboards, and thermostat UIs. The 32 KB Flash can store a framebuffer plus Microchip's Graphics Library primitives, while 8 KB SRAM handles a partial-frame rendering buffer. PMP supports Intel 8080 and Motorola 6800 modes, so it pairs with the most common small-format TFT controllers without glue logic.
تجویز کردہ
Industrial Sensor Nodes
With 2.3 V to 3.6 V supply range, sub-0.5 mA/MHz active current, and 10-bit ADC with DMA support, the PIC32MX120F032D-V/PT serves well in 4-20 mA loop-powered industrial sensors, Modbus RTU slaves, and battery-backed field transmitters. The 4 DMA channels offload ADC, UART, and SPI transfers so the CPU can sleep in retention mode between conversion bursts, extending battery life. AEC-Q100 qualification is a bonus in factory-floor environments with wide temperature swings. PPS allows RS-485 UART, Modbus DE pin, and an SPI sensor all on the same board without re-routing.
تجویز کردہ
USB Device Peripherals (Companion Setup)
Although the PIC32MX120F032D-V/PT itself lacks an integrated USB controller, designers often pair it with an external USB-OTG transceiver or migrate to the PIC32MX2xx/USB-capable family for the same MIPS32 core. At 40 MHz the device can serve as a USB-to-UART bridge controller, USB HID keyboard interface, or CDC-class device when an external ULPI-less transceiver is added. This split keeps the BOM cost low while reusing existing PIC32 firmware libraries.
تجویز کردہ
Audio Codec Front-Ends via I2S
The two I2S/SP modules on the PIC32MX120F032D-V/PT can stream 16- to 32-bit audio samples between an external codec and a small ping-pong buffer in SRAM, suitable for voice-prompt systems, simple audio recorders, and announcement boards. The DMA-driven I2S path frees the core for MP3 decoding or ADPCM playback. PPS lets the designer route I2S bit-clock and word-select lines onto any spare pins, simplifying PCB layout for mixed-signal audio boards.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC32MX120F032D-V/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC32MX120F032DT-V/TL | PIC32MX120F032D-I/TL | PIC32MX120F032D-I/ML | PIC32MX110F016D-I/PT | PIC32MX120F032C-V/TL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP - same | 44-TQFP - same | 44-QFN (8x8 mm) | 44-TQFP - same | 44-TQFP - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 8 KB |
| Max CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Temperature Grade | -40C to +105C (Automotive) | -40C to +105C (Automotive) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +105C (Automotive) |
| AEC-Q100 | Yes | Yes | No | No | No | Yes |
| CTMU (Touch) | Yes | Yes | Yes | Yes | Yes | Yes |
| Approx Unit Price (qty 1, USD) | 5.32 | 5.32 | 4.90 | 5.10 | 4.20 | 5.40 |
اہم امتیازی خصوصیات
- AEC-Q100 automotive grade at full +105C operating temperature (بمقابلہPIC32MX120F032D-I/TL)
- Twice the Flash and SRAM of the lower-tier -110 family (بمقابلہPIC32MX110F016D-I/PT)
- 44-pin TQFP package with full PMP and CTMU peripheral set (بمقابلہPIC32MX120F032B-V/SS)
ڈیزائن نوٹس
Estimated: at 40 MHz and 3.3 V, the PIC32MX120F032D-V/PT draws roughly 20 mA (0.5 mA/MHz) in active mode, plus peripheral current. Place a 10 uF bulk capacitor and a 0.1 uF decoupling cap as close as possible to each VDD/VSS pair on the 44-pin TQFP (6 supply pairs total). AVDD/AVSS should be filtered with a ferrite bead or 10 ohm resistor and a 0.1 uF cap to keep ADC noise below 1 LSB at 10-bit conversion.
Route the 40 MHz crystal traces (OSC1/OSC2) as short as possible and guard them with a ground pour to minimize EMI coupling into ADC channels. Keep the ICSP pins PGC/PGD accessible on a 0.1-inch header for in-circuit debugging, because PIC32 firmware development strongly depends on MPLAB ICD 4 or ICD 3 probes. PPS reassignments do not survive a VPP-induced reset, so set PPS locks via the CFGCON register in startup code.
A common pitfall when porting PIC24 code to PIC32MX1xx is forgetting the PPS unlock sequence; without unlocking, peripheral pin select registers silently fail to remap UART/SPI, and the firmware appears to hang on transmit. Another common issue is leaving the JTAG pins (TMS/TCK/TDO/TDI) configured when not using a JTAG debugger, which can cause unintended POR events; disable JTAG via CFGCON before enabling 4-wire JTAG-less operation.
At full 40 MHz operation with all peripherals active, the device dissipates roughly 70 mW (20 mA at 3.3 V). The 44-pin TQFP (10x10 mm) has a theta-JA around 50 C/W on a 4-layer JEDEC test board, so the junction rises only ~3.5 C above ambient - no heatsink is required even at +105C ambient. For automotive under-hood environments, ensure the PCB copper area around the TQFP thermal pad (if exposed) is maximized.
تعمیل کی معلومات
AEC-Q100 qualified per the Microchip product page and DigiKey listing. RoHS and REACH compliant per Microchip environmental certification. Halogen-free per Microchip TQFP package datasheet.