PIC32MX340F512HT-80V/PT - 80MHz 512KB Flash 32-bit MCU | Microchip
N.º da peça: PIC32MX340F512HT-80V/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.21 | $8,21 |
| 10 | $7.46 | $74,60 |
| 100 | $6.42 | $642,00 |
| 500 | $5.74 | $2.870,00 |
| 1.000 | $5.18 | $5.180,00 |
PIC32MX340F512HT-80V/PT Visão geral
A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory (Flash), data memory (SRAM), and programmable peripherals into a single silicon device. The PIC32 family uses the MIPS32 M4K architecture, which is a RISC (Reduced Instruction Set Computing) design that executes most instructions in a single clock cycle, enabling deterministic real-time performance. Within the broader semiconductor taxonomy, an MCU is a sub-category of microprocessor and sits inside the integrated circuit family, alongside memory ICs, logic ICs, and analog ICs.
Key features include 512 KB (512K x 8) Flash, 32 KB SRAM, an internal oscillator, 5 16-bit timers/counters, 5 capture/compare/PWM peripherals, and a 10-bit 1 Msps ADC with up to 16 input channels. The device also supports I2C, SPI, and UART communication peripherals, plus USB 2.0 full-speed On-The-Go for direct device-to-device data exchange without an external PHY. The 80 MHz core delivers 105 DMIPS of computational performance while operating from a 2.3V to 3.6V supply.
Architecturally, the PIC32MX340 series leverages the MIPS M4K core (Harvard architecture with separate instruction and data buses) combined with 5-stage pipelining and hardware multiply/divide. The on-chip DMA controller offloads data movement between peripherals and memory, freeing the CPU for application logic. Hardware PMP (Parallel Master Port) and PMP-style bus interfaces enable external memory and graphics display connectivity for richer human-machine interface designs.
Typical applications include industrial control and Human-Machine Interface (HMI) panels, USB peripherals and embedded hosts, motor control with PWM, data loggers, and consumer electronics with touch or display interfaces. The 53 available I/O pins support simultaneous TFT LCD, keypad, and sensor array connections, while USB OTG allows battery-charging dock, audio dock, or tethered device applications.
When designing with this part, ensure the trace length between the ICSP PGECx/PGEDx pins and the programming/debug connector is kept short to maintain signal integrity during in-circuit serial programming and debugging. Use decoupling capacitors of 0.1 uF plus bulk capacitance on each supply pin and follow Microchip reference PCB layout patterns for the USB differential pair.
This page synthesizes distributor pricing, drop-in alternatives from the PIC32MX family, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC32MX340F512HT-80V/PT — 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 PIC32MX340F512HT-80V/PT (mesmo formato e footprint) — diferindo em ADC, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX340F512H-80V/PT
✅ Drop-In✓ Em estoque
$4.78 / unidade
Ver ficha técnica →PIC32MX340F512HT-80I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX340F512HT-80V/PT Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K |
| Core Size | 32-Bit Single-Core |
| Frequência máxima de clock | 80 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| RAM Size | 32 KB |
| Number of I/O Pins | 53 |
| Encapsulamento / Caixa | 64-TQFP (10x10 mm) |
| Tensão de alimentação | 2.3 V to 3.6 V |
| Temperatura de operação | -40C to +105C (V grade) |
| ADC | 10-bit, up to 16 channels |
| DMA Channels | Yes |
| USB | USB 2.0 Full-Speed OTG |
| Communication Peripherals | I2C, SPI, UART |
| Timers | 5 x 16-bit |
| PWM / Output Compare | 5 channels |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX340F512HT-80V/PT
| Pino 1 | RPB0 — GPIO / Programming pin (PGED1) |
| Pino 2 | RPB1 — GPIO / Programming pin (PGEC1) |
| Pino 3 | RPB2 — GPIO / Analog AN0 |
| Pino 4 | RPB3 — GPIO / Analog AN1 |
| Pino 5 | VDD — Supply voltage (2.3V to 3.6V) |
| Pino 6 | VSS — Ground reference |
| Pino 7 | RPB4 — GPIO / Analog AN2 |
| Pino 8 | RPB5 — GPIO / Analog AN3 |
| Pino 9 | RPB6 — GPIO / Analog AN4 |
| Pino 10 | RPB7 — GPIO / Analog AN5 |
| Pino 11 | VDD — Supply voltage |
| Pino 12 | VSS — Ground |
| Pino 13 | RPC0 — GPIO |
| Pino 14 | RPC1 — GPIO |
| Pino 15 | RPC2 — GPIO |
| Pino 16 | RPC3 — GPIO |
| Pino 17 | RPC4 — GPIO / D+ (USB) |
| Pino 18 | RPC5 — GPIO / D- (USB) |
| Pino 19 | VUSB — USB Voltage regulator output (3.3V) |
| Pino 20 | VSS — Ground |
| Pino 21 | RPC6 — GPIO |
| Pino 22 | RPC7 — GPIO |
| Pino 23 | RPC8 — GPIO |
| Pino 24 | RPC9 — GPIO |
| Pino 25 | VDD — Supply voltage |
| Pino 26 | VSS — Ground |
| Pino 27 | RPB11 — GPIO / AN6 |
| Pino 28 | RPB12 — GPIO / AN7 |
| Pino 29 | RPB13 — GPIO / AN8 |
| Pino 30 | RPB14 — GPIO / AN9 |
| Pino 31 | RPB15 — GPIO / AN11 |
| Pino 32 | VDD — Supply voltage |
| Pino 33 | VSS — Ground |
| Pino 34 | RPD0 — GPIO |
| Pino 35 | RPD1 — GPIO |
| Pino 36 | RPD2 — GPIO |
| Pino 37 | RPD3 — GPIO |
| Pino 38 | RPD4 — GPIO |
| Pino 39 | RPD5 — GPIO |
| Pino 40 | RPD6 — GPIO |
| Pino 41 | RPD7 — GPIO |
| Pino 42 | VDD — Supply voltage |
| Pino 43 | VSS — Ground |
| Pino 44 | RPD8 — GPIO |
| Pino 45 | RPD9 — GPIO |
| Pino 46 | RPD10 — GPIO |
| Pino 47 | RPD11 — GPIO |
| Pino 48 | RPD12 — GPIO |
| Pino 49 | RPD13 — GPIO |
| Pino 50 | RPD14 — GPIO |
| Pino 51 | RPD15 — GPIO |
| Pino 52 | RPE0 — GPIO / AN26 |
| Pino 53 | RPE1 — GPIO / AN27 |
| Pino 54 | RPE2 — GPIO / AN28 |
| Pino 55 | RPE3 — GPIO / AN29 |
| Pino 56 | RPE4 — GPIO / AN30 |
| Pino 57 | RPE5 — GPIO / AN31 |
| Pino 58 | RPE6 — GPIO |
| Pino 59 | RPE7 — GPIO |
| Pino 60 | VDD — Supply voltage |
| Pino 61 | VSS — Ground |
| Pino 62 | MCLR — Master Clear reset (active low) |
| Pino 63 | OSC1 — Crystal oscillator input / external clock |
| Pino 64 | OSC2 — Crystal oscillator output |
Aplicações típicas
PIC32MX340F512HT-80V/PT é adequado para 6 aplicaçãos: Industrial Human-Machine Interface (HMI), USB Peripherals and Embedded Hosts, Motor Control and PWM Drivers, Data Acquisition and Logging, Consumer Electronics with Display, Automotive Body and Comfort Modules.
Industrial Human-Machine Interface (HMI)
The PIC32MX340F512HT-80V/PT drives TFT LCD panels and resistive touchscreens in industrial HMI products, with 53 GPIO pins supporting simultaneous LCD data bus, keypad matrix, and backlight PWM control. The 512 KB Flash accommodates full graphics libraries such as Microchip's MLA or third-party GUIs without external memory. Its 80 MHz MIPS32 M4K core renders 320x240 displays at 30+ FPS while the on-chip 10-bit ADC reads analog sensor inputs for system monitoring. The V-grade temperature rating allows deployment in factory cabinets up to 105°C.
Recomendado
USB Peripherals and Embedded Hosts
The PIC32MX340F512HT-80V/PT integrates USB 2.0 full-speed On-The-Go, enabling both device-mode peripherals (CDC, HID, MSD, audio class) and embedded-host operation (mass storage, keyboards, mice) without an external PHY. The 512 KB Flash accommodates USB stacks like Microchip's MLA USB framework plus application logic. With 32 KB SRAM and DMA-driven endpoint buffers, the MCU sustains 12 Mbps USB full-speed traffic while running user code. The 80 MHz core provides ample headroom for USB protocol processing and isochronous transfers.
Recomendado
Motor Control and PWM Drivers
The PIC32MX340F512HT-80V/PT provides 5 PWM/Output Compare channels with 80 MHz time base, enabling 3-phase BLDC or 2-phase stepper motor control at up to 80 kHz PWM frequency with 12-bit effective resolution. The 512 KB Flash holds FOC (Field Oriented Control) libraries and fault handling routines. The on-chip 10-bit ADC samples motor currents and BEMF at 1 Msps for sensorless control. Its 53 GPIO pins accommodate multi-axis drives with encoder, Hall sensor, and direction control signals per axis.
Recomendado
Data Acquisition and Logging
The PIC32MX340F512HT-80V/PT is well suited for multi-channel data loggers, with a 10-bit 1 Msps ADC (up to 16 channels) and DMA that transfers samples to SRAM without CPU intervention. The 512 KB Flash stores configuration and file system metadata, while 32 KB SRAM buffers measurement bursts before external SD card or USB offload. Its 80 MHz core handles protocol parsing, while UART/SPI/I2C peripherals connect to external sensors. The -40C to +105C V grade supports unattended outdoor logger installations.
Recomendado
Consumer Electronics with Display
The PIC32MX340F512HT-80V/PT powers consumer devices requiring a small TFT or OLED display plus USB connectivity, such as audio docks, fitness equipment, smart appliances, and gaming peripherals. The 512 KB Flash holds color graphics libraries, font tables, and USB class stacks. The 80 MHz core delivers smooth menu transitions and audio effects processing. Its 53 GPIO pins connect to driver LCD, capacitive touch controller, and audio DAC, all in a compact 64-pin TQFP footprint for small consumer enclosures.
Recomendado
Automotive Body and Comfort Modules
The PIC32MX340F512HT-80V/PT with V temperature grade supports automotive body control modules such as HVAC controllers, seat controllers, mirror modules, and lighting controllers. The 53 GPIO pins drive LEDs, read switches, and communicate via LIN/CAN-like protocols. The 80 MHz MIPS core runs AUTOSAR-like schedulers and LIN stacks. The wide 2.3V-3.6V supply range tolerates automotive cranking transients. Designers needing formal AEC-Q100 qualification should review Microchip's automotive-grade PIC32MX variants.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX340F512HT-80V/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX340F512H-80V/PT | PIC32MX340F512HT-80I/PT | PIC32MX340F256H-80V/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | 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 |
| Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| RAM Size | 32 KB | 32 KB | 32 KB | 32 KB |
| Temperature Grade | -40C to +105C (V) | -40C to +105C (V) | -40C to +85C (I) | -40C to +105C (V) |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
Principais diferenciais
- Tape-and-reel packaging for automated SMT assembly (vs PIC32MX340F512H-80V/PT)
- V-grade temperature rating for harsh environments (vs PIC32MX340F512HT-80I/PT)
- Higher code budget compared to 256K subvariant (vs PIC32MX340F256H-80V/PT)
Notas de projeto
Place a 0.1 uF decoupling capacitor within 5 mm of every VDD pin and a bulk 10 uF tantalum or aluminum polymer capacitor near the package. Use a continuous ground plane on the layer directly beneath the TQFP and stitch vias around the perimeter for thermal dissipation. Per Microchip's PIC32MX hardware design checklist, keep the trace length from the ICSP PGECx/PGEDx pins to the debug header under 100 mm to ensure reliable in-circuit programming at 80 MHz.
The 64-pin TQFP package has a typical theta_JA of approximately 50-60 C/W in still air, sufficient for typical PIC32MX workloads which rarely exceed 0.5 W. Estimated: at 80 MHz core frequency with 3.3 V supply, typical core current is approximately 30-40 mA, dissipating approximately 0.1-0.15 W. For V-grade parts in enclosed industrial housings, verify junction temperature using the formula TJ = TA + (PD x theta_JA).
The USB D+ and D- differential pair on pins RPC4/RPC5 must be routed as a 90-ohm differential pair with matched lengths (within 150 mil). Place the USB series ferrite beads or common-mode choke within 5 mm of the connector. Add a 1 uF bypass capacitor on VUSB (pin 19) per the Microchip PIC32 USB hardware design guide. Keep high-speed digital traces away from analog ADC inputs to minimize crosstalk.
Do not connect MCLR directly to VDD without a 10 kohm pull-up resistor; the MCLR pin requires a low-impedance path to ground during reset programming. Avoid floating analog inputs on unused ADC channels - tie them to either VSS or VDD to prevent shoot-through current. When using the internal 8 MHz oscillator, calibrate the FREQ register via the FPLL or POSC configuration bits per the PIC32MX3XX/4XX family datasheet (DS61143H) to achieve accurate USB timing.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Lead-free TQFP package. Not AEC-Q100 qualified; for automotive applications requiring AEC-Q100 review Microchip's automotive-grade PIC32MX variants separately.
