NXP Semiconductors LPC1517JBD64Y

Overview

LPC1517JBD64Y from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller designed for industrial motor control and digital power applications. It operates at up to 72 MHz, integrates 64 kB flash, 12 kB SRAM, 4 kB EEPROM, two 12-bit ADCs (2 Msamples/s), one 12-bit DAC, four analog comparators, three USARTs, two SPIs, one Fast-mode Plus I²C, and four State Configurable Timers (SCTimer/PWM) - all in an LQFP64 package rated for −40 °C to +105 °C.

For engineers reviewing the LPC1517JBD64Y datasheet, LPC1517JBD64Y pinout, LPC1517JBD64Y application, or LPC1517JBD64Y equivalent, key selection criteria include absence of USB peripheral, 46 GPIO count, SCTimer-driven motor feedback integration, dual ADC concurrency with internal trigger routing, and C_CAN controller support for industrial fieldbus connectivity.

Technical Context

The LPC1517JBD64Y implements a Harvard-architecture ARM Cortex-M3 core with 3-stage pipeline, NVIC, MPU, and system tick timer. Its clock system includes a 12 MHz ±1 % internal RC oscillator, crystal oscillator (1–25 MHz), watchdog oscillator (503 kHz), and three PLLs - one for CPU, one for USB (not used here), and one for SCTimer/PWM.

Peripheral interconnect uses a switch matrix (SWM), input multiplexer (INPUT MUX), and SCT Input Pre-processor Unit (SCTIPU) to route signals flexibly. DMA supports 18 channels with 20 programmable triggers, servicing ADCs, USARTs, SPI, I²C, C_CAN, and SCTimer/PWM modules without CPU intervention.

Key Specifications

Pinout & Package

LQFP64 plastic low-profile quad flat package (SOT314-2), 64 leads, body size 10 × 10 × 1.4 mm, exposed pad not present, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC1547JBD64 and LPC1519JBD64, the LPC1517JBD64 removes USB PHY and associated routing constraints - reducing board-level noise coupling, simplifying power supply filtering, and lowering system-level certification effort for industrial EMC compliance.

Availability

LPC1517JBD64Y is available at Aetrix Electronics and suitable for motor control, solar inverters, and digital power supplies requiring stable component supply, long-term industrial lifecycle support, and guaranteed traceability.

Supply support for LPC1517JBD64Y 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 LPC15xx product line targets high-precision industrial control applications - specifically engineered for motor drives, digital power conversion, and real-time sensor processing with integrated analog peripherals and deterministic timing subsystems.

FAQ

Does the LPC1517JBD64Y include a USB controller?

No, the LPC1517JBD64Y does not include a USB 2.0 controller or on-chip PHY. This distinguishes it from variants like LPC1547JBD64 and LPC1549JBD64. The LPC1517JBD64Y retains all other core peripherals - including C_CAN, SCTimer/PWM, dual ADCs, and DAC - making it optimized for applications where USB is unnecessary and EMI reduction is critical. USB functionality must be added externally if required.

What is the maximum ADC sampling rate supported by the LPC1517JBD64Y?

The LPC1517JBD64Y supports up to 2 Msamples/s per ADC channel, with two independent 12-bit ADCs (ADC0 and ADC1). Each ADC supports multiple trigger sources (SCTimer, timer match, software), enabling synchronized or staggered sampling. The conversion clock may be derived from the system clock or one of the three PLLs, allowing flexible trade-offs between speed and accuracy in motor current sensing or power quality monitoring.

How many GPIO pins are available on the LPC1517JBD64Y in LQFP64 package?

The LPC1517JBD64Y provides 46 general-purpose I/O pins in its LQFP64 package. These include dedicated analog-capable pins (e.g., ADC0_10 on Pin 1, DAC_OUT on Pin 19), I²C/SPI/USART signal assignments, and configurable digital I/O with pull-up/pull-down, open-drain, and glitch filter options. All GPIOs are accessible via the switch matrix for flexible peripheral mapping without pin conflicts.

Is the LPC1517JBD64Y qualified for extended temperature operation?

Yes, the LPC1517JBD64Y is specified for operation from −40 °C to +105 °C, meeting industrial-grade environmental requirements. This rating applies across all operating modes - including Deep power-down with RTC wake-up - and is validated under JEDEC JESD47 stress conditions. The integrated temperature sensor and bandgap reference enable on-chip thermal monitoring and calibration compensation in variable-temperature deployments.

What debug interface does the LPC1517JBD64Y support?

The LPC1517JBD64Y supports Serial Wire Debug (SWD) with four hardware breakpoints and two watchpoints, enabled by default on SWCLK (Pin 43) and SWDIO (Pin 44). It does not require JTAG TDI/TDO/TMS pins for basic debug, reducing pin count and layout complexity. SWD allows full memory access, register inspection, and real-time trace via compatible debug probes (e.g., LPC-Link2, SEGGER J-Link).