{"id":3200,"date":"2026-05-31T03:20:54","date_gmt":"2026-05-31T03:20:54","guid":{"rendered":"https:\/\/materialparts.com\/lpc2148fbd64\/"},"modified":"2026-06-06T03:28:47","modified_gmt":"2026-06-06T03:28:47","slug":"lpc2148fbd64","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/lpc2148fbd64\/","title":{"rendered":"LPC2148FBD64"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

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.<\/p>\n

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CPU Core<\/td>\nARM7TDMI-S (32-bit\/16-bit)<\/td>\n<\/tr>\n
Max CPU Clock<\/td>\n60 MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n512 kB<\/td>\n<\/tr>\n
SRAM<\/td>\n32 kB + 8 kB (USB DMA)<\/td>\n<\/tr>\n
USB<\/td>\n2.0 Full-speed device<\/td>\n<\/tr>\n
ADC<\/td>\n2 x 10-bit, 14 channels, 2.44 us\/channel<\/td>\n<\/tr>\n
DAC<\/td>\n10-bit, 1 channel<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n3.0 V to 3.6 V (5 V tolerant I\/O)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40\u00b0C to 85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

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

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      \n
    • Communication gateways and protocol converters<\/li>\n
    • USB peripheral devices (HID, mass storage, audio)<\/li>\n
    • Industrial control and medical systems<\/li>\n
    • Access control and point-of-sale terminals<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview 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. Key Specifications CPU Core ARM7TDMI-S (32-bit\/16-bit) Max […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[168],"class_list":["post-3200","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-nxp"],"acf":{"brief_explanation":"ARM7TDMI-S MCU, 512 kB flash, 40 kB SRAM, USB 2.0 FS, dual ADC, LQFP-64","date_code":"","package_case":"LQFP-64 (10.0 x 10.0 x 1.4 mm)","in_stock":4300,"datasheet":"https:\/\/www.nxp.com\/docs\/en\/data-sheet\/LPC2141_42_44_46_48.pdf","price":"$7.50 @ 1ku","product_introduction":"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.","working_principle":"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.","pin_description":"
      Pin Group<\/td>Function<\/td>Count<\/td>Description<\/td><\/tr>
      P0[0]-P0[31]<\/td>GPIO \/ Peripheral<\/td>32<\/td>Port 0: shared with UART, I2C, SPI, SSP, PWM, ADC, DAC, USB<\/td><\/tr>
      P1[0]-P1[31]<\/td>GPIO \/ Peripheral<\/td>13<\/td>Port 1: available GPIO pins (13 used, others reserved)<\/td><\/tr>
      VDD (3.3 V)<\/td>Power<\/td>4<\/td>Core and I\/O supply (3.0 V to 3.6 V)<\/td><\/tr>
      VSS<\/td>Ground<\/td>4<\/td>Ground connections<\/td><\/tr>
      VBAT<\/td>RTC Power<\/td>1<\/td>RTC backup power supply<\/td><\/tr>
      RESET<\/td>System<\/td>1<\/td>External reset input (active low)<\/td><\/tr>
      XTAL1\/XTAL2<\/td>Clock<\/td>2<\/td>External crystal oscillator (1-25 MHz)<\/td><\/tr><\/table>","application_scenarios":"
      • USB peripheral devices (custom HID controllers, mass storage devices, audio class devices) leveraging the integrated USB 2.0 full-speed controller<\/li>
      • Industrial control systems using dual ADCs for multi-channel sensor acquisition and DAC for analog control outputs<\/li>
      • Communication gateways and protocol converters utilizing multiple UART, I2C, and SPI interfaces simultaneously<\/li>
      • Access control and point-of-sale terminals where the compact LQFP-64 package and 5 V tolerant I\/O simplify system design<\/li><\/ul>","alternative_models":"
        Model<\/td>Brand<\/td>Core<\/td>Flash<\/td>USB<\/td><\/tr>
        LPC2146FBD64<\/td>NXP<\/td>ARM7TDMI-S<\/td>256 kB<\/td>2.0 FS<\/td><\/tr>
        LPC2144FBD64<\/td>NXP<\/td>ARM7TDMI-S<\/td>128 kB<\/td>2.0 FS<\/td><\/tr>
        LPC1768FBD100<\/td>NXP<\/td>Cortex-M3<\/td>512 kB<\/td>2.0 FS\/OTG<\/td><\/tr>
        AT91SAM7X256<\/td>Microchip<\/td>ARM7TDMI<\/td>256 kB<\/td>2.0 FS<\/td><\/tr>
        STR711FR2T6<\/td>ST<\/td>ARM7TDMI<\/td>256 kB<\/td>No<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=3200"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3200\/revisions"}],"predecessor-version":[{"id":3281,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3200\/revisions\/3281"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3200"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3200"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}