NXP Semiconductors LPC2212FBD144,551

Overview

LPC2212FBD144,551 from NXP Semiconductors is a 16/32-bit ARM7TDMI-S microcontroller in LQFP144 package, featuring 128 kB flash, 16 kB SRAM, 8-channel 10-bit ADC (2.44 µs conversion), 60 MHz max CPU clock, and 5 V-tolerant GPIO up to 112 pins. It targets industrial control, access systems, and communication gateways requiring real-time interrupt response and embedded trace support.

For engineers reviewing the LPC2212FBD144,551 datasheet, LPC2212FBD144,551 pinout, LPC2212FBD144,551 application, or LPC2212FBD144,551 equivalent, this page delivers verified technical context, validated pin functions, confirmed alternative parts for migration or sourcing continuity, and precise specification-to-design-meaning mapping - all grounded in NXP's Rev. 5 (2011) product data sheet.

Technical Context

The LPC2212FBD144,551 implements the ARM7TDMI-S core with dual instruction sets (32-bit ARM and 16-bit Thumb), enabling 60 MHz operation via on-chip PLL (100 µs settling time) and 128-bit wide memory interface acceleration. Its memory subsystem includes 128 kB ISP/IAP flash (100k erase/write cycles, 20-year retention) and 16 kB static RAM accessible in 8/16/32-bit modes.

Peripheral integration includes two 32-bit timers (four capture/compare channels each), six PWM outputs, RTC, watchdog, Vectored Interrupt Controller (16 priority-configurable IRQ slots), and dual UARTs with fractional baud rate generators and hardware flow control. The external memory controller supports four banks (up to 16 MB/bank, 8/16/32-bit data width), while ADC inputs AIN0–AIN7 are directly mapped to dedicated pins with 5 V tolerance in digital mode.

Key Specifications

Pinout & Package

LPC2212FBD144,551 uses a plastic low-profile quad flat package (LQFP144, SOT486-1) with 20 mm × 20 mm body and 1.4 mm height. Pin functions are defined by the Pin Connect Block and include multiplexed roles across three 32-bit GPIO ports (P0–P3), JTAG debug signals, trace/debug interfaces, external memory bus (A0–A23, D0–D31), and dedicated analog inputs (AIN0–AIN7).

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC2212FBD144,551, the LPC2214FBD144/01 offers double flash capacity with full pin and software compatibility, while the LPC2129FBD144 trades external memory support and GPIO count for lower system complexity - making each viable depending on whether expansion headroom or integration simplicity is prioritized.

Availability

LPC2212FBD144,551 is available at Aetrix Electronics and suitable for industrial control, access systems, and communication gateway designs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for LPC2212FBD144,551 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based microcontrollers and embedded security.

The LPC2212FBD144,551 belongs to NXP's legacy LPC2000 ARM7 family, designed specifically for cost-effective, real-time embedded control in resource-constrained industrial and medical systems requiring robust debug infrastructure and field-upgradable firmware.

FAQ

What is the maximum operating frequency of the LPC2212FBD144,551?

The LPC2212FBD144,551 achieves a maximum CPU clock frequency of 60 MHz using its on-chip Phase-Locked Loop (PLL), which has a specified settling time of 100 µs. This frequency is sustained via a 128-bit wide memory interface and accelerator architecture that enables full-speed 32-bit code execution - a key differentiator from earlier ARM7 implementations. The oscillator input range is 1 MHz to 30 MHz.

Does the LPC2212FBD144,551 support in-system programming (ISP)?

Yes, the LPC2212FBD144,551 supports In-System Programming via its built-in bootloader, allowing flash memory updates through UART0 without removing the device from the circuit. Flash programming takes 1 ms per 512-byte line, and sector or full-chip erase requires 400 ms. ISP functionality remains available even when Code Read Protection (CRP) is enabled, though JTAG access is disabled under CRP.

How many analog inputs does the LPC2212FBD144,551 have, and what are their characteristics?

The LPC2212FBD144,551 integrates an eight-channel 10-bit ADC with dedicated pins AIN0–AIN7 mapped directly to P0[27], P0[28], P0[29], P0[30], P2[30], P2[31], P3[28], and P3[29]. Conversion time is as low as 2.44 µs, and the ADC pads are 5 V tolerant when configured for digital I/O - enabling safe reuse of analog pins for general-purpose functions without level shifters.

What debug and trace capabilities does the LPC2212FBD144,551 provide?

The LPC2212FBD144,551 includes EmbeddedICE-RT and Embedded Trace interfaces, supporting real-time debugging with NXP's on-chip RealMonitor software and high-speed instruction execution tracing. Trace signals (TRACEPKT0–3, TRACESYNC, TRACECLK) are routed to P1[16–24], and pipeline status (PIPESTAT0–2) is available on P1[21–23], enabling visibility into program flow without halting execution.

Is the LPC2212FBD144,551 pin-compatible with other members of the LPC22xx family?

Yes, the LPC2212FBD144,551 shares identical pin configuration with LPC2214FBD144/01 and all variants bearing /00 or /01 suffixes in the LQFP144 package. Pin functions, electrical characteristics, and mechanical footprint are fully compatible - enabling drop-in replacement where flash size suffices, and simplifying design reuse across performance tiers within the same package.