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LPC2148FBD64

ARM7TDMI-S MCU, 512 kB flash, 40 kB SRAM, USB 2.0 FS, dual ADC, LQFP-64

4300

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Pieza del fabricante：

LPC2148FBD64

Paquete：

LQFP-64 (10.0 x 10.0 x 1.4 mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The LPC2148FBD64 from NXP Semiconductors is a single-chip 16-bit/32-bit microcontroller based on the ARM7TDMI-S CPU with 512 kB flash memory and 40 kB SRAM. It features USB 2.0 full-speed device controller, dual 10-bit ADCs, 10-bit DAC, PWM, and multiple serial interfaces in a compact LQFP-64 package.

Especificaciones

CPU Core ARM7TDMI-S (32-bit/16-bit)
Max CPU Clock 60 MHz
Flash Memory 512 kB
SRAM 32 kB + 8 kB (USB DMA)
USB 2.0 Full-speed device
ADC 2 x 10-bit, 14 channels, 2.44 us/channel
DAC 10-bit, 1 channel
Operating Voltage 3.0 V to 3.6 V (5 V tolerant I/O)
Temperatura de funcionamiento -40°C to 85°C

Características

  • ARM7TDMI-S core with 128-bit wide memory accelerator
  • 512 kB on-chip flash with ISP/IAP programming
  • USB 2.0 full-speed device controller with 2 kB endpoint RAM
  • Dual 10-bit ADCs with 14 analog inputs total
  • 10-bit DAC for analog output
  • Multiple serial interfaces: 2x UART, 2x I2C, SPI, SSP
  • Two 32-bit timers with capture and compare channels
  • 45 fast GPIO pins with 5 V tolerant I/O

Aplicaciones

  • Communication gateways and protocol converters
  • USB peripheral devices (HID, mass storage, audio)
  • Industrial control and medical systems
  • Access control and point-of-sale terminals

The LPC2148FBD64 from NXP Semiconductors is a versatile 16-bit/32-bit microcontroller built around the ARM7TDMI-S CPU core, featuring 512 kB of on-chip flash memory and 40 kB of SRAM (32 kB general purpose + 8 kB shared with USB DMA). A 128-bit wide memory interface and unique accelerator architecture enable 32-bit code execution at the maximum 60 MHz clock rate, while the 16-bit Thumb mode reduces code size by over 30% with minimal performance penalty. The device includes a USB 2.0 full-speed device controller with dedicated endpoint RAM, making it well-suited for USB peripheral applications. Dual 10-bit ADCs provide 14 analog input channels with conversion times as low as 2.44 us per channel, and a 10-bit DAC enables analog output generation. Multiple serial interfaces including two UARTs, two I2C buses, SPI, and SSP support diverse communication requirements. The 45 GPIO pins are 5 V tolerant, providing flexibility in mixed-voltage system designs.

The LPC2148FBD64 operates through several integrated subsystems: (1) The ARM7TDMI-S CPU core executes 32-bit ARM or 16-bit Thumb instructions, with the memory accelerator providing zero-wait-state access to flash memory at up to 60 MHz using a 128-bit prefetch buffer. The Vectored Interrupt Controller (VIC) manages interrupt priorities with programmable vector addresses. (2) The memory subsystem includes 512 kB flash with ISP/IAP capability for in-field firmware updates, 32 kB general-purpose SRAM, and 8 kB USB DMA SRAM. The boot loader supports ISP via UART for initial programming. (3) The peripheral subsystem includes dual 10-bit successive-approximation ADCs with input multiplexing, a 10-bit resistor-string DAC, six-channel PWM unit, two 32-bit timers, watchdog timer, and real-time clock with independent power domain. (4) The USB 2.0 full-speed device controller manages endpoint buffers and DMA transfers, supporting standard USB device classes. (5) The clock and power management includes an on-chip PLL for generating 60 MHz from lower-frequency crystals, and idle/power-down modes for energy conservation.

Grupo Pin Función Cuenta Descripción
P0[0]-P0[31] GPIO / Peripheral 32 Port 0: shared with UART, I2C, SPI, SSP, PWM, ADC, DAC, USB
P1[0]-P1[31] GPIO / Peripheral 13 Port 1: available GPIO pins (13 used, others reserved)
VDD (3.3 V) Potencia 4 Core and I/O supply (3.0 V to 3.6 V)
VSS Suelo 4 Conexiones a tierra
VBAT RTC Power 1 RTC backup power supply
RESET System 1 External reset input (active low)
XTAL1/XTAL2 Reloj 2 External crystal oscillator (1-25 MHz)
  • USB peripheral devices (custom HID controllers, mass storage devices, audio class devices) leveraging the integrated USB 2.0 full-speed controller
  • Industrial control systems using dual ADCs for multi-channel sensor acquisition and DAC for analog control outputs
  • Communication gateways and protocol converters utilizing multiple UART, I2C, and SPI interfaces simultaneously
  • Access control and point-of-sale terminals where the compact LQFP-64 package and 5 V tolerant I/O simplify system design
Modelo Marca Núcleo Flash USB
LPC2146FBD64 NXP ARM7TDMI-S 256 kB 2.0 FS
LPC2144FBD64 NXP ARM7TDMI-S 128 kB 2.0 FS
LPC1768FBD100 NXP Cortex-M3 512 kB 2.0 FS/OTG
AT91SAM7X256 Microchip ARM7TDMI 256 kB 2.0 FS
STR711FR2T6 ST ARM7TDMI 256 kB No
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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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