PIC32MX534F064LT-V/BG - 32-bit MCU 80MHz 64KB Flash USB OTG | Microchip
料号： PIC32MX534F064LT-V/BG ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.4 | $6.40 |
| 10 | $5.78 | $57.80 |
| 100 | $5.18 | $518.00 |
| 500 | $4.66 | $2,330.00 |
| 1,000 | $4.15 | $4,150.00 |
PIC32MX534F064LT-V/BG 概述
A 32-bit microcontroller (MCU) is a microprocessor core optimized for embedded control, integrating CPU, memory, peripherals, and interrupt logic into a single IC. The PIC32MX534 family belongs to the broader MIPS32 architecture family, which sits in the taxonomy microcontroller -> embedded processor -> integrated circuit -> semiconductor. This 32-bit class offers deterministic real-time performance, larger address space, and richer peripheral integration compared to 8/16-bit MCUs while remaining significantly lower in cost than Cortex-M4 application processors.
Key differentiating features include hardware DMA that offloads data movement from the CPU, full-speed USB OTG with on-chip transceiver that eliminates external PHY cost, and a 10-bit ADC capable of 1 MSPS for high-speed sensor sampling. The 80 MHz M4K core delivers 1.56 DMIPS/MHz and executes most instructions in one clock cycle, suitable for control loops, USB stacks, and graphical user interfaces with external peripherals. The device supports 2.3V to 3.6V single-supply operation, includes a Real-Time Clock calendar, and offers multiple low-power modes for battery-powered designs.
Architecturally the PIC32MX5 family uses a Harvard-style memory structure with separate 32-bit instruction and data paths to the Flash and SRAM. The DMA controller supports up to 8 independent channels and triggers on peripheral events, allowing continuous USB or ADC operation without CPU intervention. The USB OTG module includes the physical layer, requiring only an external pull-up or pull-down resistor on the D+/D- lines and a few decoupling components for a compliant USB port.
The part fits inside industrial control panels, USB peripherals, point-of-sale terminals, sensor hubs, medical data loggers, and consumer audio accessories. The compact 121-ball TFBGA package suits space-constrained PCB layouts such as wearable dongles and portable test instruments where a QFP would be too tall or too large. Designers select the PIC32MX534 family when balancing USB integration, deterministic interrupt latency, and Microchip's MPLAB Harmony firmware ecosystem against the lower cost of 8-bit PIC16/PIC18 parts.
When designing with this device, plan for decoupling (100 nF + 1 uF near each VDD pair), keep the USB trace length under 50 mm with 90-ohm differential impedance, and configure the oscillator PLL that enables ripple-free USB clocks without overshoot. The MPLAB Harmony configurator and the PICkit 5 in-circuit debugger are the recommended toolchain for production programming and firmware development, providing validated peripheral drivers and a USB stack.
This page synthesizes distributor pricing for the PIC32MX534F064LT-V/BG, drop-in alternatives within the same 121-ball TFBGA footprint, and practical layout and USB design notes that the manufacturer datasheet does not present in a single reference.
直接替换替代料： PIC32MX534F064LT-V/BG ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MX534F064LT-V/BG （相同外形与封装尺寸） ——差异在于 ADC, Package, Core Architecture, DMA Channels, CAN.
快速对比工具——选择替代料号进行并排对比：
PIC32MX534F064L-I/BG
✅ 直接替换✓ 有现货
$4.35 / 个
查看数据手册 →PIC32MX460F512L-80V/BG
✅ 直接替换✓ 有现货
$6.1 / 个
查看数据手册 →PIC32MX360F512L-80V/BG
✅ 直接替换✓ 有现货
$6.65 / 个
查看数据手册 →PIC32MX340F128L-80I/BG
✅ 直接替换✓ 有现货
$5.48 / 个
查看数据手册 →PIC32MX440F128L-80V/BG
✅ 直接替换✓ 有现货
$4.75 / 个
查看数据手册 →PIC32MX534F064LT-V/BG 最大额定值与电气特性
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data Memory (SRAM) | 16 KB |
| ADC | 10-bit, 1 MSPS |
| DMA Channels | 8 channels |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip transceiver |
| 电源电压 | 2.3 V to 3.6 V |
| 封装 | 121-ball TFBGA (10x10 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Peripherals | UART, SPI, I2C, PMP, RTCC, comparators |
| Lead-Free | Yes |
PIC32MX534F064LT-V/BG 引脚配置
| 引脚 1 | A1 — Ball A1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 2 | A2 — Ball A2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 3 | A3 — Ball A3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 4 | A4 — Ball A4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 5 | A5 — Ball A5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 6 | A6 — Ball A6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 7 | A7 — Ball A7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 8 | A8 — Ball A8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 9 | A9 — Ball A9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 10 | A10 — Ball A10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 11 | A11 — Ball A11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 12 | B1 — Ball B1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 13 | B2 — Ball B2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 14 | B3 — Ball B3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 15 | B4 — Ball B4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 16 | B5 — Ball B5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 17 | B6 — Ball B6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 18 | B7 — Ball B7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 19 | B8 — Ball B8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 20 | B9 — Ball B9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 21 | B10 — Ball B10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 22 | B11 — Ball B11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 23 | C1 — Ball C1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 24 | C2 — Ball C2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 25 | C3 — Ball C3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 26 | C4 — Ball C4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 27 | C5 — Ball C5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 28 | C6 — Ball C6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 29 | C7 — Ball C7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 30 | C8 — Ball C8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 31 | C9 — Ball C9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 32 | C10 — Ball C10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 33 | C11 — Ball C11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 34 | D1 — Ball D1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 35 | D2 — Ball D2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 36 | D3 — Ball D3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 37 | D4 — Ball D4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 38 | D5 — Ball D5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 39 | D6 — Ball D6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 40 | D7 — Ball D7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 41 | D8 — Ball D8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 42 | D9 — Ball D9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 43 | D10 — Ball D10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 44 | D11 — Ball D11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 45 | E1 — Ball E1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 46 | E2 — Ball E2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 47 | E3 — Ball E3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 48 | E4 — Ball E4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 49 | E5 — Ball E5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 50 | E6 — Ball E6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 51 | E7 — Ball E7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 52 | E8 — Ball E8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 53 | E9 — Ball E9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 54 | E10 — Ball E10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 55 | E11 — Ball E11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 56 | F1 — Ball F1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 57 | F2 — Ball F2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 58 | F3 — Ball F3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 59 | F4 — Ball F4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 60 | F5 — Ball F5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 61 | F6 — Ball F6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 62 | F7 — Ball F7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 63 | F8 — Ball F8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 64 | F9 — Ball F9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 65 | F10 — Ball F10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 66 | F11 — Ball F11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 67 | G1 — Ball G1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 68 | G2 — Ball G2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 69 | G3 — Ball G3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 70 | G4 — Ball G4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 71 | G5 — Ball G5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 72 | G6 — Ball G6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 73 | G7 — Ball G7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 74 | G8 — Ball G8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 75 | G9 — Ball G9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 76 | G10 — Ball G10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 77 | G11 — Ball G11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 78 | H1 — Ball H1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 79 | H2 — Ball H2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 80 | H3 — Ball H3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 81 | H4 — Ball H4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 82 | H5 — Ball H5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 83 | H6 — Ball H6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 84 | H7 — Ball H7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 85 | H8 — Ball H8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 86 | H9 — Ball H9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 87 | H10 — Ball H10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 88 | H11 — Ball H11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 89 | J1 — Ball J1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 90 | J2 — Ball J2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 91 | J3 — Ball J3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 92 | J4 — Ball J4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 93 | J5 — Ball J5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 94 | J6 — Ball J6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 95 | J7 — Ball J7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 96 | J8 — Ball J8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 97 | J9 — Ball J9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 98 | J10 — Ball J10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 99 | J11 — Ball J11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 100 | K1 — Ball K1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 101 | K2 — Ball K2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 102 | K3 — Ball K3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 103 | K4 — Ball K4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 104 | K5 — Ball K5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 105 | K6 — Ball K6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 106 | K7 — Ball K7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 107 | K8 — Ball K8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 108 | K9 — Ball K9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 109 | K10 — Ball K10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 110 | K11 — Ball K11 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 111 | L1 — Ball L1 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 112 | L2 — Ball L2 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 113 | L3 — Ball L3 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 114 | L4 — Ball L4 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 115 | L5 — Ball L5 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 116 | L6 — Ball L6 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 117 | L7 — Ball L7 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 118 | L8 — Ball L8 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 119 | L9 — Ball L9 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 120 | L10 — Ball L10 - GPIO/Peripheral pin (see datasheet ball-map) |
| 引脚 121 | L11 — Ball L11 - GPIO/Peripheral pin (see datasheet ball-map) |
典型应用
PIC32MX534F064LT-V/BG 适用于 6 应用s: USB Industrial Sensor Hubs, Portable Medical Data Loggers, USB Point-of-Sale Terminals, USB Wearable Dongles, Industrial Control Panel HMI Modules, Consumer Audio Accessories.
USB Industrial Sensor Hubs
The PIC32MX534F064LT-V/BG fits USB industrial sensor hubs that require a single-chip bridge between multiple sensors and a host PC or industrial controller. The integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver eliminates an external PHY and provides USBTMC or HID class support for vendor commands, while the 8-channel DMA offloads high-rate ADC sampling at 1 MSPS for parallel voltage, current, and temperature measurements. The 53 GPIO budget supports multiple SPI sensors, the 16 KB SRAM buffers 1000+ sample packets without FIFO overflow, and the V temperature grade supports +105C inside sealed industrial enclosures near motors and heaters. Pair with the MCP2551 CAN transceiver for legacy 4-wire industrial networks, or with the MCP2221A for USB-I2C bridging to legacy peripherals.
推荐
Portable Medical Data Loggers
Portable medical data loggers benefit from the PIC32MX534F064LT-V/BG because the 64 KB program space stores USB transfer / FTP descriptors, MPLAB Harmony USB stacks, and lightweight encryption for patient records. The 10-bit ADC with 1 MSPS sampling rate supports ECG and pulse-oximeter analog front-ends with timing-jitter-free DMA transfers into the 16 KB SRAM, capturing multiple sweeps of physiological signals without CPU intervention. Low-power Run, Idle, and Sleep modes extend battery runtime to 200+ hours on coin-cell designs, and the V temperature grade preserves calibration accuracy across the +5C to +45C medical operating range. Pair with the MCP1700 LDO regulator for low-quiescent power, and the TC1047A analog temperature sensor for thermal monitoring.
推荐
USB Point-of-Sale Terminals
POS terminals with USB peripheral connectivity rely on the PIC32MX534F064LT-V/BG because the on-chip USB OTG controller and DMA controller handle magnetic-stripe reader streams, barcode scanner data, and receipt-printer commands without external PHY cost. The 80 MHz MIPS32 M4K core runs the USB class drivers and a lightweight LCD text display via PMP, while the 64 KB Flash accommodates custom firmware, ISO 7816 smart-card routines, and USB HID/CDC stacks concurrently. The 53 GPIO budget supports a 4x4 keypad matrix, status LEDs, and a serial EEPROM for transaction logging. Pair with the MCP23S17 I/O expander for additional keypad or display rows, and the TC77 thermal sensor for thermal monitoring of the printer head.
推荐
USB Wearable Dongles
USB wearable dongles such as fitness trackers, BLE bridges, and security tokens benefit from the PIC32MX534F064LT-V/BG because the 121-ball TFBGA 10x10 mm package enables a sub-15x15 mm PCB footprint that fits USB-A form factors. The integrated USB OTG controller and on-chip transceiver minimize BOM cost for sub-$5 retail dongle products, while the 80 MHz MIPS32 M4K core executes lightweight command sets and BLE relay protocols via the SPI-connected RN4870 module. The 16 KB SRAM supports HID reports and pairing buffers, and the V temperature grade supports in-pocket operating temperatures up to +105C. Pair with the MCP1700 LDO for low-quiescent operation, and the RN4870 Bluetooth 5 module for BLE connectivity.
推荐
Industrial Control Panel HMI Modules
Industrial HMI modules that integrate USB programming ports benefit from the PIC32MX534F064LT-V/BG because the on-chip USB OTG controller exposes a USB device port for firmware updates via USB stick, while the dedicated DMA channels manage capacitive-touch sensing via the PMP interface. The V temperature grade supports +105C ambient inside sealed control cabinets near variable-frequency drives, and the 53 GPIO budget directly drives 7-segment displays, status LEDs, and piezo-buzzer feedback without external shift registers. The 64 KB Flash holds HMI state machines, USB mass-storage stacks, and bootloader firmware concurrently, while the 16 KB SRAM buffers display frames. Pair with the MCP23S08 SPI port expander for additional GPIO, and the MCP9808 I2C temperature sensor for cabinet thermal monitoring.
推荐
Consumer Audio Accessories
USB audio accessories such as USB headsets, USB DAC dongles, and USB microphones benefit from the PIC32MX534F064LT-V/BG because the on-chip USB OTG controller exposes USB Audio Class 1.0 device support with isochronous endpoints for 48 kHz / 16-bit audio streaming, while the 10-bit ADC with DMA captures microphone signals at 1 MSPS for noise-cancellation preprocessing. The 80 MHz MIPS32 M4K core executes lightweight audio mixing and equalization routines with low interrupt latency, while the 64 KB Flash stores USB descriptors, audio class drivers, and my equalizer presets concurrently. Pair with the PCM2704C USB audio DAC for high-fidelity playback, and the MCP6022 op-amp for headphone amplification.
推荐
推荐产品汇总
工程参考数据： PIC32MX534F064LT-V/BG ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC32MX534F064L-I/BG | PIC32MX460F512L-80V/BG | PIC32MX360F512L-80V/BG | PIC32MX340F128L-80I/BG | PIC32MX440F128L-80V/BG |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 121-ball TFBGA (10x10 mm) | 121-ball TFBGA (10x10 mm) - same | 121-ball TFBGA (10x10 mm) - same | 121-ball TFBGA (10x10 mm) - same | 121-ball TFBGA (10x10 mm) - same | 121-ball TFBGA (10x10 mm) - same |
| Core Architecture | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Maximum CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 64 KB | 64 KB | 512 KB (8x larger) | 512 KB (8x larger) | 128 KB (2x larger) | 128 KB (2x larger) |
| SRAM | 16 KB | 16 KB | 32 KB (2x larger) | 32 KB (2x larger) | 32 KB (2x larger) | 32 KB (2x larger) |
| USB Interface | USB 2.0 FS OTG (host + device) | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS device-only | USB 2.0 FS device-only | USB 2.0 FS OTG + CAN |
| Temperature Grade | V grade (-40C to +105C) | I grade (-40C to +85C) | V grade (-40C to +105C) | V grade (-40C to +105C) | I grade (-40C to +85C) | V grade (-40C to +105C) |
关键差异点
- On-chip USB OTG with on-chip transceiver （对比 PIC32MX360F512L-80V/BG)
- Extended V temperature grade （对比 PIC32MX534F064L-I/BG)
- Compact 121-ball TFBGA package （对比 PIC32MX470F512L-V/PT)
设计说明
Estimated: the PIC32MX534F064LT-V/BG at 80 MHz core with all peripherals enabled draws approximately 70 mA from a 3.3 V supply. Place one 100 nF ceramic decoupling capacitor adjacent to each of the 5 VDD/VSS pairs on the 121-ball TFBGA, plus one 1 uF to 10 uF bulk capacitor near the package. Use a low-dropout regulator such as MCP1700-3302E with 250 mA headroom to handle USB suspend current spikes without collapsing the rail.
Route the USB D+/D- differential pair with 90-ohm controlled impedance and keep the trace length under 50 mm to meet USB 2.0 Full-Speed signal-integrity requirements. Maintain a continuous ground reference plane beneath the USB traces and place the 15 kohm pull-down on D+ and 15 kohm pull-down on D- at the connector side, not at the MCU side, per the manufacturer datasheet recommendations.
The 121-ball TFBGA uses 0.8 mm ball pitch and requires 4-layer PCB with micro-via fanout for inner-row balls. Place decoupling capacitors on the opposite PCB side adjacent to each ball cluster to minimize loop inductance. Avoid routing signals between the ball rows to prevent shorts during reflow; instead, escape balls outward to perimeter traces and vias.
Do not exceed 3.6 V on any VDD pin; the MCU has no internal overvoltage protection and latch-up can permanently damage the part. When using the on-chip USB OTG controller, ensure the 48 MHz USB clock is enabled and the PLL is locked before connecting to a USB host, or the device will enumerate as an unknown device and fail USB compliance testing.
合规信息
RoHS compliant per Microchip product page. Consumer/industrial grade - not AEC-Q100 qualified.