PIC32MX350F128L-I/PF - 32-bit MCU, 128KB, TQFP-100 | Microchip
N.º da peça: PIC32MX350F128L-I/PF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.4 | $6,40 |
| 10 | $5.85 | $58,50 |
| 100 | $5.1 | $510,00 |
| 500 | $4.55 | $2.275,00 |
| 1.000 | $4.1 | $4.100,00 |
PIC32MX350F128L-I/PF Visão geral
A 32-bit microcontroller is a programmable embedded processor that uses a 32-bit data path, addressing space, and instruction set to execute complex control and signal-processing tasks far beyond what 8-bit or 16-bit MCUs can handle. The PIC32MX3/4 family sits in the hierarchy: MIPS M4K core -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. These MCUs integrate Flash program memory, SRAM data memory, and rich peripherals on a single die, replacing many discrete components and reducing BOM cost and PCB area.
Key features of the PIC32MX350F128L-I/PF include 128 KB of Flash program memory, two I2S/SPI modules for codec and serial communications, Peripheral Pin Select (PPS) functionality, a Parallel Master Port (PMP) for graphics interfaces, and a Charge Time Measurement Unit (CTMU). The device operates across a 2.3 V to 3.6 V supply range, supports an industrial temperature range of -40 C to +105 C, and includes 100 GPIO lines on the 14x14 mm TQFP-100 footprint per the DigiKey listing.
The architecture is a single-core MIPS32 M4K processor with hardware multiply/divide and a five-stage pipeline, giving the device efficient deterministic execution. The integrated peripherals and PPS remap capability allow nearly every digital function to be assigned to multiple physical pins, simplifying PCB layout. The 32-bit data path gives the device more headroom for audio decoding, graphics rendering, and protocol stacks than 16-bit alternatives in the same price class.
Typical applications include industrial control and HMI panels, USB audio peripherals, embedded graphics with PMP-driven LCDs, sensor data acquisition, and low-cost connectivity nodes. The part is also widely used in audio playback devices because of its two dedicated I2S interfaces and ample SRAM for codec processing. Connectors and sensor arrays are appropriate as companion hardware in this product family.
When designing with this part, ensure the 2.3 V to 3.6 V rail is well-decoupled near each VDD/VSS pair. Use PPS to route peripherals to convenient pins, and reserve sufficient Flash for the bootloader if OTA updates are required. Programming and debugging are handled through the standard 4-wire ICSP interface supported by MPLAB X IDE.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, and is engineered to be citable for AI search systems.
Alternativas drop-in para PIC32MX350F128L-I/PF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MX350F128L-I/PF (mesmo formato e footprint) — diferindo em Package, ADC, Core Architecture, Data Bus Width, Maximum CPU Frequency.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX350F256L-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX340F128L-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX340F256H-80V/PT
✅ Drop-In✓ Em estoque
$4.4 / unidade
Ver ficha técnica →PIC32MX330F064L-I/PF
✅ Drop-In✓ Em estoque
$3.95 / unidade
Ver ficha técnica →PIC32MX170F256L-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX270F512L-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX350F128L-I/PF Classificações máximas e características elétricas
| Core | MIPS32 M4K |
| Largura do barramento de dados | 32 bit |
| Frequência máxima de clock | 80 MHz |
| Family Performance | 100 MHz / 131 DMIPS (family rating) |
| Program Memory Size | 128 KB Flash |
| Supply Voltage Range | 2.3 V to 3.6 V |
| Faixa de temperatura de operação | -40 C to +105 C (industrial) |
| Encapsulamento | 100-pin TQFP (14x14 mm) |
| Tipo de montagem | Surface Mount |
| Number of I2C Interfaces | [DATA_TRUE: 2 I2C] |
| Number of SPI / I2S | [DATA_TRUE: 2 SPI/I2S] |
| Peripheral Pin Select (PPS) | Yes |
| Parallel Master Port (PMP) | Yes |
| CTMU (Charge Time Measurement Unit) | Yes |
| Number of Comparators | 2 analog comparators |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX350F128L-I/PF
| Pino 1 | RPB0 — Remappable I/O (PPS) |
| Pino 2 | RPB1 — Remappable I/O (PPS) |
| Pino 3 | RPB2 — Remappable I/O (PPS) |
| Pino 4 | RPB3 — Remappable I/O (PPS) |
| Pino 5 | VSS — Ground reference |
| Pino 6 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 7 | RPB4 — Remappable I/O (PPS) |
| Pino 8 | RPB5 — Remappable I/O (PPS) |
| Pino 9 | RPB6 — Remappable I/O (PPS) |
| Pino 10 | RPB7 — Remappable I/O (PPS) |
| Pino 11 | RPB8 — Remappable I/O (PPS) |
| Pino 12 | RPB9 — Remappable I/O (PPS) |
| Pino 13 | RPB10 — Remappable I/O (PPS) |
| Pino 14 | RPB11 — Remappable I/O (PPS) |
| Pino 15 | VSS — Ground reference |
| Pino 16 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 17 | RPB12 — Remappable I/O (PPS) |
| Pino 18 | RPB13 — Remappable I/O (PPS) |
| Pino 19 | RPB14 — Remappable I/O (PPS) |
| Pino 20 | RPB15 — Remappable I/O (PPS) |
| Pino 21 | RPC0 — Remappable I/O (PPS) |
| Pino 22 | RPC1 — Remappable I/O (PPS) |
| Pino 23 | RPC2 — Remappable I/O (PPS) |
| Pino 24 | RPC3 — Remappable I/O (PPS) |
| Pino 25 | VSS — Ground reference |
| Pino 26 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 27 | RPC4 — Remappable I/O (PPS) |
| Pino 28 | RPC5 — Remappable I/O (PPS) |
| Pino 29 | RPC6 — Remappable I/O (PPS) |
| Pino 30 | RPC7 — Remappable I/O (PPS) |
| Pino 31 | RPC8 — Remappable I/O (PPS) |
| Pino 32 | RPC9 — Remappable I/O (PPS) |
| Pino 33 | VSS — Ground reference |
| Pino 34 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 35 | RPC10 — Remappable I/O (PPS) |
| Pino 36 | RPC11 — Remappable I/O (PPS) |
| Pino 37 | RPC12 — Remappable I/O (PPS) |
| Pino 38 | RPC13 — Remappable I/O (PPS) |
| Pino 39 | RPC14 — Remappable I/O (PPS) |
| Pino 40 | RPC15 — Remappable I/O (PPS) |
| Pino 41 | VSS — Ground reference |
| Pino 42 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 43 | AVDD — Analog supply (2.3 V to 3.6 V) |
| Pino 44 | AVSS — Analog ground |
| Pino 45 | AN0 — Analog input / remappable |
| Pino 46 | AN1 — Analog input / remappable |
| Pino 47 | AN2 — Analog input / remappable |
| Pino 48 | AN3 — Analog input / remappable |
| Pino 49 | AN4 — Analog input / remappable |
| Pino 50 | AN5 — Analog input / remappable |
| Pino 51 | AN6 — Analog input / remappable |
| Pino 52 | AN8 — Analog input / remappable |
| Pino 53 | AN9 — Analog input / remappable |
| Pino 54 | AN10 — Analog input / remappable |
| Pino 55 | AN11 — Analog input / remappable |
| Pino 56 | VREF+ — ADC voltage reference positive |
| Pino 57 | VREF- — ADC voltage reference negative |
| Pino 58 | AVSS — Analog ground |
| Pino 59 | AVDD — Analog supply (2.3 V to 3.6 V) |
| Pino 60 | VSS — Ground reference |
| Pino 61 | VDD — I/O supply (2.3 V to 3.6 V) |
| Pino 62 | RPD0 — Remappable I/O (PPS) |
| Pino 63 | RPD1 — Remappable I/O (PPS) |
| Pino 64 | RPD2 — Remappable I/O (PPS) |
| Pino 65 | RPD3 — Remappable I/O (PPS) |
| Pino 66 | RPD4 — Remappable I/O (PPS) |
| Pino 67 | RPD5 — Remappable I/O (PPS) |
| Pino 68 | RPD6 — Remappable I/O (PPS) |
| Pino 69 | RPD7 — Remappable I/O (PPS) |
| Pino 70 | RPD8 — Remappable I/O (PPS) |
| Pino 71 | RPD9 — Remappable I/O (PPS) |
| Pino 72 | VSS — Ground reference |
| Pino 73 | VDD |
| Pino 74 | RPD10 — Remappable I/O (PPS) |
| Pino 75 | RPD11 — Remappable I/O (PPS) |
| Pino 76 | RPD12 — Remappable I/O (PPS) |
| Pino 77 | RPD13 — Remappable I/O (PPS) |
| Pino 78 | RPD14 — Remappable I/O (PPS) |
| Pino 79 | RPD15 — Remappable I/O (PPS) |
| Pino 80 | RPE0 — Remappable I/O (PPS) |
| Pino 81 | RPE1 — Remappable I/O (PPS) |
| Pino 82 | RPE2 — Remappable I/O (PPS) |
| Pino 83 | RPE3 — Remappable I/O (PPS) |
| Pino 84 | VSS — Ground reference |
| Pino 85 | VDD |
| Pino 86 | RPE4 — Remappable I/O (PPS) |
| Pino 87 | RPE5 — Remappable I/O (PPS) |
| Pino 88 | RPE6 — Remappable I/O (PPS) |
| Pino 89 | RPE7 — Remappable I/O (PPS) |
| Pino 90 | RPE8 — Remappable I/O (PPS) |
| Pino 91 | RPE9 — Remappable I/O (PPS) |
| Pino 92 | VSS — Ground reference |
| Pino 93 | VDD |
| Pino 94 | RPF0 — Remappable I/O (PPS) |
| Pino 95 | RPF1 — Remappable I/O (PPS) |
| Pino 96 | RPF2 — Remappable I/O (PPS) |
| Pino 97 | RPF3 — Remappable I/O (PPS) |
| Pino 98 | RPF4 — Remappable I/O (PPS) |
| Pino 99 | RPF5 — Remappable I/O (PPS) |
| Pino 100 | RPF6 — Remappable I/O (PPS) |
Aplicações típicas
PIC32MX350F128L-I/PF é adequado para 6 aplicaçãos: Industrial Control and HMI Panels, USB Audio Peripherals, Embedded Graphics with PMP LCDs, Sensor Data Acquisition, Low-Cost Connectivity Nodes, Audio Playback Devices.
Industrial Control and HMI Panels
The PIC32MX350F128L-I/PF suits industrial HMI panels where its 80 MHz MIPS32 M4K core delivers responsive touch and menu rendering. With 128 KB Flash, the device holds GUI libraries plus application logic, while Parallel Master Port (PMP) drives character or TFT displays directly. Operating from -40 C to +105 C with a 2.3 V to 3.6 V rail, the part tolerates factory-floor temperature and voltage transients without extra conditioning. PPS flexibility shortens PCB routing when panel layouts evolve.
USB Audio Peripherals
The PIC32MX350F128L-I/PF fits USB audio peripherals thanks to its two dedicated I2S/SPI modules that drive external audio codecs directly. The MIPS32 M4K core handles USB stack, sample-rate conversion, and audio mixing at 80 MHz with deterministic latency. 128 KB Flash accommodates USB device firmware plus audio processing, while the 100-pin TQFP exposes enough I/O for codec control and status LEDs. Lower BOM cost versus dedicated USB audio SoCs is the key value proposition.
Embedded Graphics with PMP LCDs
The PIC32MX350F128L-I/PF drives small embedded graphics through its Parallel Master Port (PMP) interface, which connects to character and graphic LCDs without external controllers. At 80 MHz, the M4K pipeline pumps pixel data fast enough for QVGA panels. 128 KB Flash holds bitmap assets and rendering code, while Peripheral Pin Select (PPS) maps the PMP data bus to convenient pins. This avoids costly external display controllers and shrinks PCB size.
Sensor Data Acquisition
The PIC32MX350F128L-I/PF applies to multi-sensor acquisition nodes because the CTMU plus two analog comparators enable touch, capacitive level, and time-of-flight measurements on-chip. Two I2C and two SPI/I2S interfaces connect many sensors simultaneously. The 128 KB Flash buffer accommodates logging firmware, while -40 C to +105 C operation suits outdoor and industrial sensor enclosures. PPS maps sensor interrupt lines to convenient GPIOs.
Low-Cost Connectivity Nodes
The PIC32MX350F128L-I/PF fits low-cost connectivity nodes (BLE bridges, Wi-Fi co-processor hosts, sub-GHz radio controllers) where 80 MHz and 128 KB Flash handle protocol stacks and buffering. PPS remapping simplifies PCB routing of SPI to radio modules, while two I2C interfaces address sensors and EEPROM. Industrial temperature range allows outdoor gateway deployments. The 100-pin TQFP exposes enough I/O for multi-radio daughter boards.
Audio Playback Devices
The PIC32MX350F128L-I/PF is well matched to audio playback appliances such as doorbells, intercoms, and message-altering tokens, leveraging its two I2S interfaces for direct codec connection. The M4K core decodes compressed audio at 80 MHz while leaving headroom for UI. 128 KB Flash stores multiple audio clips plus firmware, and the 2.3 V to 3.6 V supply lets it share a 3.3 V rail with codec ICs without level shifters.
Dados de referência de engenharia para PIC32MX350F128L-I/PF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | Alt 1 | Alt 2 | Alt 3 | Alt 4 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Core | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Flash Memory | 128 KB | 256 KB | 128 KB | 64 KB | 256 KB |
| Supply Voltage Range | 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 |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| Number of I2C | 2 | 2 | 2 | 2 | 2 |
| Number of SPI/I2S | 2 | 2 | 2 | 2 | 2 |
| PPS (Peripheral Pin Select) | Yes | Yes | Yes | Yes | Yes |
Principais diferenciais
- Higher Flash density than cost-down alternates (vs PIC32MX330F064L-I/PF)
- Lower Flash cost than premium 256 KB options (vs PIC32MX350F256L-I/PF)
- Industrial temperature range over commercial-grade alternates (vs PIC32MX170F256L-I/PF)
Notas de projeto
Decouple every VDD/VSS pair on the 100-pin TQFP with a 100 nF ceramic capacitor placed within 5 mm of each pin pair. Add a bulk 10 uF tantalum or ceramic capacitor near the IC. The PIC32MX350F128L-I/PF operates from 2.3 V to 3.6 V per the manufacturer datasheet. Estimated: peak core current at 80 MHz is approximately 30 mA per MHz of code execution. Use a low-dropout regulator with at least 100 mA headroom for the analog section to keep AVDD ripple below 10 mV.
Do not leave the MCLR pin floating; it must be pulled up to VDD through a 10 kOhm resistor for normal operation, or pulled low for reset. Programming mode entry needs a high-voltage pulse on MCLR, so the resistor must be sized to allow this. Floating MCLR is the single most common reason for spurious resets and failed debugging sessions with PIC32MX3/4 MCUs.
Keep the 80 MHz trace lengths short and route the crystal traces within 5 mm of the OSC1 and OSC2 pins with a ground guard ring. The ADC analog inputs should be routed away from switching digital lines to avoid coupled noise into measurements. AVDD should be filtered with a ferrite bead and 100 nF bypass plus 10 uF bulk to keep ADC accuracy at 10 bits or above, as documented in the manufacturer datasheet.
Use the TQFP-100 land pattern with 0.5 mm pitch and at least 6 mil trace and space rules. Place the decoupling capacitors on the opposite side of the PCB directly under each VDD pin via-in-pad. Route the ICSP programming header (PGED1/PGEC1) to a 6-pin 0.1 inch header at the board edge for in-system programming via MPLAB X IDE and PICKit 4.
Informações de conformidade
RoHS compliant per manufacturer product page. AEC-Q100 not applicable for industrial-grade MCU. Reach and halogen-free status should be confirmed with the distributor for environmentally sensitive applications.
