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NXP Semiconductors LPC1347FBD64,551
- Part No.:
- LPC1347FBD64,551
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
LPC1347FBD64,551.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:332
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Product details
Overview
LPC1347FBD64,551 from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller designed for USB-connected embedded control applications. It operates at up to 72 MHz, integrates 64 kB flash, 8 kB SRAM, 2 kB EEPROM, full-speed USB 2.0 device controller with ROM-based driver, and an 8-channel 12-bit ADC sampling at 500 kSamples/s. It supports industrial control, medical devices, and USB audio interfaces.
For engineers reviewing the LPC1347FBD64,551 datasheet, LPC1347FBD64,551 pinout, LPC1347FBD64,551 application, or LPC1347FBD64,551 equivalent, key selection criteria include its LQFP64 package with 51 GPIOs, dual SSP and I²C-FM+ interfaces, USB device capability with dedicated PLL, and support for deep power-down wake-up via dedicated WAKEUP pin (PIO0_16).
Technical Context
The LPC1347FBD64,551 implements the ARM Cortex-M3 r2p1 core with Harvard architecture, 3-stage pipeline, and integrated NVIC for deterministic interrupt handling. Its clock system includes a 1–25 MHz crystal oscillator, 12 MHz ±1% IRC, programmable PLL for CPU and a separate USB PLL - enabling independent, jitter-tolerant USB timing.
Peripheral integration includes two SSP controllers with FIFOs, a Fast-mode Plus I²C-bus interface (1 Mbit/s), RS-485/ISO 7816 USART with fractional baud rate generation, four general-purpose timers (two 32-bit, two 16-bit) with capture/match capability, and a Windowed Watchdog Timer with internal low-power oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 72 MHz max - enables real-time deterministic execution with low-latency interrupt response. |
| Memory | 64 kB flash / 8 kB SRAM / 2 kB EEPROM - sufficient for USB device firmware with persistent configuration storage. |
| USB Interface | Full-Speed USB 2.0 device controller with on-chip ROM driver library - eliminates external USB PHY and reduces BOM cost. |
| ADC | 12-bit, 8-channel, 500 kSamples/s - supports high-fidelity sensor acquisition in medical or industrial monitoring. |
| GPIO | 51 pins in LQFP64 package, 8 with programmable glitch filter, 20 mA sink/source on select pins - enables direct LED/relay driving and noise-immune digital I/O. |
| Power Modes | Deep power-down mode with wake-up via PIO0_16 - achieves sub-μA standby current for battery-powered USB peripherals. |
| Clock Sources | Dual PLL (CPU + USB), 12 MHz IRC ±1%, crystal oscillator (1–25 MHz) - ensures robust timing across operating conditions without external crystals for USB. |
Pinout & Package
LQFP64 package: plastic low-profile quad flat package, 64 leads, body size 10 × 10 × 1.4 mm, lead pitch 0.5 mm, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET/PIO0_0 | Reset input / GPIO | Active-low reset with 20 ns glitch filter; also selects SWD/JTAG debug mode during boot. |
| USB_DP / USB_DM | USB differential data pair | Direct connection to USB connector; requires 27 Ω series resistors and proper PCB routing for signal integrity. |
| USB_VBUS | USB host power detection | Monitors VBUS presence (5 V) to enable USB enumeration only when host is connected. |
| USB_CONNECT | USB pull-up control | Drives internal 1.5 kΩ pull-up on D+ to signal device attachment to USB host. |
| PIO0_16/AD5/CT32B1_MAT3/WAKEUP | Wake-up / ADC / timer / GPIO | Dedicated Deep power-down wake-up pin with 20 ns glitch filter; must be pulled HIGH to enter and LOW to exit DPD mode. |
| VDDA / VREFP / VREFN | Analog supply & reference | VDDA powers ADC; VREFP/VREFN define 0–VREF range - require clean analog supply and decoupling for 12-bit accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip USB ROM driver | Eliminates need for external USB stack code, reducing firmware development time and flash usage by ~8 kB. |
| Dual SSP controllers | Supports simultaneous SPI communication with multiple peripherals (e.g., display + sensor) without software arbitration. |
| I²C Fast-mode Plus (1 Mbit/s) | Enables high-speed communication with modern sensors and PMICs while maintaining backward compatibility with standard I²C. |
| Programmable Windowed Watchdog | Prevents runaway code in safety-critical applications by requiring periodic windowed refresh - not just periodic toggling. |
| ISP/IAP via USB | Allows field firmware updates over USB without JTAG debugger or UART bootloader setup - simplifies end-user upgrades. |
Applications
| Industrial Control | USB Audio Device |
|---|---|
|
Use Scenario: Programmable logic controller (PLC) I/O module with local sensor interfacing and USB host connectivity for configuration and diagnostics. IC Role / Device Role / Timing Role: Main MCU executing control logic, managing RS-485 fieldbus, reading analog sensors via 12-bit ADC, and exposing configuration interface via USB CDC ACM class. Use Value: 51 GPIOs support discrete I/O expansion; USB device capability enables plug-and-play PC-based commissioning without additional interface hardware. |
Use Scenario: USB-powered headset with microphone preamp, volume control, and stereo DAC output. IC Role / Device Role / Timing Role: USB audio class (UAC) device controller handling isochronous audio streaming, ADC sampling of mic input, and GPIO-driven button/mute control. Use Value: On-chip USB ROM driver ensures Class Compliance; 12-bit ADC supports >90 dB SNR mic digitization; low-power modes extend battery life during idle. |
| Medical Sensor Hub | Handheld Scanner |
|
Use Scenario: Portable vital sign monitor aggregating ECG, SpO₂, and temperature data, then transmitting to PC or tablet via USB. IC Role / Device Role / Timing Role: Central data acquisition engine with synchronized ADC sampling, real-time filtering, and USB bulk transfer of processed waveform data. Use Value: 500 kSamples/s ADC enables oversampling for noise reduction; USB full-speed supports sustained 1 MB/s data throughput for multi-channel waveforms. |
Use Scenario: Battery-operated barcode scanner with laser diode driver, photodiode signal conditioning, and USB HID keyboard emulation. IC Role / Device Role / Timing Role: Real-time scanner controller managing laser timing, analog front-end gain control, decode engine, and USB HID report generation. Use Value: Deep power-down mode with PIO0_16 wake-up achieves <1 μA standby; 20 mA GPIO drive directly controls laser diode without external driver. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC1343FBD48 | 48-pin LQFP, 32 kB flash, no USB PLL, 40 GPIOs - lacks dedicated USB clock domain and reduced memory/peripherals. | Suitable for cost-sensitive USB-less designs where footprint and flash size are constrained. | Select when USB is not required and board space limits LQFP64 use; verify USB absence in final system architecture. |
| LPC1549JBD64 | ARM Cortex-M3, 256 kB flash, 36 kB SRAM, USB HS capable, 50 MHz max - higher performance, enhanced analog (16-bit ADC), but no EEPROM and different power profile. | Better suited for complex motor control or high-resolution sensor fusion where LPC1347FBD64,551 memory or ADC resolution is limiting. | Choose when upgrading from LPC1347FBD64,551 due to increased firmware complexity or precision analog requirements - note non-drop-in pinout and voltage tolerance differences. |
Compared with LPC1343FBD48, the LPC1347FBD64,551 provides USB-specific timing stability and larger memory for feature-rich device firmware; versus LPC1549JBD64, it offers lower cost, integrated EEPROM, and proven low-power operation - making it optimal for USB-peripheral-class applications with moderate compute needs.
Availability
LPC1347FBD64,551 is available at Aetrix Electronics and suitable for industrial control, medical sensor hubs, and USB audio devices requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for LPC1347FBD64,551 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The LPC1300 series, including LPC1347FBD64,551, was engineered for cost-effective, low-power USB device applications - emphasizing integrated USB functionality, robust analog peripherals, and simplified firmware development for embedded peripherals.
FAQ
What is the maximum operating frequency of the LPC1347FBD64,551?
The LPC1347FBD64,551 operates at a maximum CPU frequency of 72 MHz, achieved using either the internal 12 MHz IRC oscillator (trimmed to ±1%) or an external crystal (1–25 MHz) with the main PLL. This frequency is sustained across the full industrial temperature range (−40 °C to +85 °C) and 2.0–3.6 V supply.
Does the LPC1347FBD64,551 support USB device functionality without external components?
Yes, the LPC1347FBD64,551 integrates a full-speed USB 2.0 device controller with on-chip ROM-based driver library, eliminating the need for external USB PHY or transceiver. Only standard USB termination (27 Ω series resistors on DP/DM) and proper PCB layout are required for compliance.
How many GPIO pins are available on the LPC1347FBD64,551 in the LQFP64 package?
The LPC1347FBD64,551 provides 51 general-purpose I/O pins in the LQFP64 package, as confirmed in Table 2 of the datasheet. Eight of these support programmable glitch filtering, and select pins offer 20 mA source/sink capability for direct peripheral driving.
What power-saving modes does the LPC1347FBD64,551 support, and how is deep power-down exited?
The LPC1347FBD64,551 supports Sleep, Deep-sleep, Power-down, and Deep power-down modes. Deep power-down is exited exclusively via the dedicated WAKEUP pin (PIO0_16), which requires a LOW-going pulse ≥50 ns. This pin must be externally pulled HIGH to enter Deep power-down mode.
Is the LPC1347FBD64,551 pin-compatible with other members of the LPC13xx family in the same package?
No - while LPC1347FBD64,551 shares the LQFP64 footprint with LPC1317FBD64 and LPC1345/46 variants, pin functions differ significantly (e.g., USB_DP/DM appear only on LPC1345/46/47). Pin mapping must be verified per device; direct substitution without schematic review is not supported.
LPC1347FBD64,551 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- LPC13xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- I2C, Microwire, SPI, SSI, SSP, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, POR, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC1347FBD64,551 FAQ
1.How can I place an order for LPC1347FBD64,551 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC1347FBD64,551 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LPC1347FBD64,551 reliable?
The price and inventory of LPC1347FBD64,551 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC1347FBD64,551 is usually 5 days.
3.What payment methods are accepted for LPC1347FBD64,551?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC1347FBD64,551 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC1347FBD64,551?
LPC1347FBD64,551 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC1347FBD64,551 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LPC1347FBD64,551?
For technical support, including LPC1347FBD64,551 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC1347FBD64,551 requirements.
6.How does Aetrix verify that LPC1347FBD64,551 is sourced from the original manufacturer or authorized distributors?
All LPC1347FBD64,551 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LPC1347FBD64,551 meets industry standards.
7.What is the process for return or replacement of LPC1347FBD64,551?
All LPC1347FBD64,551 units undergo pre-shipment inspection (PSI). If there is an issue with LPC1347FBD64,551, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LPC1347FBD64,551 part is unused and in its original packaging.
Return procedure for LPC1347FBD64,551:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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