NXP Semiconductors LPC1317FBD64,551

Overview

LPC1317FBD64,551 from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller designed for embedded control applications requiring USB connectivity, analog sensing, and low-power operation. It operates at up to 72 MHz, integrates 64 kB flash, 8 kB SRAM, an 8-channel 12-bit ADC (500 kSamples/s), two SSP interfaces, one I²C-bus (Fast-mode Plus, 1 Mbit/s), and a USART with RS-485/ISO 7816 smart card support - deployed in handheld scanners and industrial USB peripherals.

For engineers reviewing the LPC1317FBD64,551 datasheet, LPC1317FBD64,551 pinout, LPC1317FBD64,551 application, or LPC1317FBD64,551 equivalent, key selection criteria include LQFP64 package compatibility, absence of on-chip USB device controller (distinguishing it from LPC1347 variants), 51 GPIO capability, and support for Deep power-down wake-up via dedicated WAKEUP pin (PIO0_16).

Technical Context

The LPC1317FBD64,551 implements the ARM Cortex-M3 r2p1 core with Harvard architecture, 3-stage pipeline, and integrated NVIC for deterministic interrupt handling. Its clock system combines a 1–25 MHz crystal oscillator, 12 MHz ±1% IRC, programmable PLL for CPU scaling, and a dedicated watchdog oscillator - enabling precise timing control across Sleep, Deep-sleep, Power-down, and Deep power-down modes.

Peripheral subsystems include four general-purpose timers (two 32-bit, two 16-bit) with capture/match functionality, configurable GPIO with glitch filtering and high-current drivers (20 mA sink/source), and memory-mapped I/O control via IOCON registers. The ADC supports single/dual conversion modes with hardware averaging, while serial interfaces operate independently with FIFO buffering and protocol-specific signal routing.

Key Specifications

Pinout & Package

LQFP64 package: plastic low-profile quad flat package with 64 leads, body size 10 × 10 × 1.4 mm, lead pitch 0.5 mm, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with LPC1347FBD64, the LPC1317FBD64,551 removes USB complexity and cost while retaining identical CPU performance, memory, and analog capabilities - making it optimal for non-USB embedded control. Versus LPC1313FBD48, it delivers 2x flash, +11 GPIO, and enhanced timer/ADC resources for scalable firmware development.

Availability

LPC1317FBD64,551 is available at Aetrix Electronics and suitable for industrial control, handheld scanners, and medical diagnostic tools requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for LPC1317FBD64,551 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 was engineered for cost-effective, low-power embedded control with rich analog and serial interface integration - targeting USB-peripheral, sensor-hub, and industrial automation applications where reliability and toolchain maturity are critical.

FAQ

What is the maximum operating frequency of the LPC1317FBD64,551?

The LPC1317FBD64,551 operates at a maximum CPU frequency of 72 MHz, achieved using either the internal 12 MHz ±1% IRC oscillator with PLL multiplication or an external 1–25 MHz crystal oscillator. This frequency is sustained across the full industrial temperature range (−40 °C to +85 °C) and 2.0 V to 3.6 V supply voltage, ensuring deterministic real-time performance in demanding embedded environments.

Does the LPC1317FBD64,551 include a USB interface?

No, the LPC1317FBD64,551 does not include a USB device controller or USB-specific pins (e.g., USB_DP, USB_DM). It belongs to the "no USB" variant group within the LPC1315/16/17 family, unlike the LPC1345/46/47 series. This omission reduces silicon cost and EMI sensitivity, making the LPC1317FBD64,551 ideal for applications relying on UART, SSP, or I²C for host communication instead of native USB.

How many analog-to-digital converter channels does the LPC1317FBD64,551 support?

The LPC1317FBD64,551 integrates a single 12-bit successive-approximation ADC with eight input channels (AD0–AD7), capable of sampling at up to 500 kSamples/s. Channel selection, trigger sources (timer match, software), and hardware averaging are fully configurable via the ADC register set - enabling high-fidelity sensor data acquisition in medical or industrial monitoring systems.

What debug interfaces are supported by the LPC1317FBD64,551?

The LPC1317FBD64,551 supports both JTAG and Serial Wire Debug (SWD) interfaces. Debug mode selection is controlled by the RESET/PIO0_0 pin state during power-on reset: LOW enables JTAG boundary scan, HIGH selects SWD. SWD uses only two pins (SWCLK and SWDIO), reducing debug footprint versus JTAG's five-pin requirement - beneficial for space-constrained PCB layouts.

What power-saving modes are available on the LPC1317FBD64,551?

The LPC1317FBD64,551 offers four reduced-power modes: Sleep, Deep-sleep, Power-down, and Deep power-down. In Deep power-down mode, current consumption drops to sub-µA levels, with wake-up possible only via the dedicated WAKEUP pin (PIO0_16). Other modes support wake-up from GPIO, timers, or USART activity - allowing flexible energy management across battery-powered and mains-operated applications.