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LPC2921 Datasheet (LPC2921 - LPC2925) ARM9 microcontroller

Manufacturer: NXP Semiconductors

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General Description

D The LPC2921/2923/2925 combine an ARM968E-S CPU core with two integrated TCM blocks operating at frequencies of up to 125 MHz, Full-speed USB 2.0 device controller, CAN and LIN, up to 40 kB SRAM, up to 512 kB flash memory, two 10-bit ADCs, and multiple serial and parallel interfaces in a single chip targeted at consumer, industrial, medical, communication, and automotive markets.

To optimize system power consumption, the LPC2921/2923/2925 has a very flexible Clock Generation Unit (CGU) that provides dynamic clock gating and scaling.

D R A FT D R A 2.

Overview

D D D R A FT D D R A FT D R A FT R R A FT A FT LPC2921/2923/2925 www.DataSheet4U.com D R A A FT D R A FT D FT D D ARM9 microcontroller with CAN, LIN, and USB device Rev.

00.01 — 24 October 2008 D R Preliminary data sheet D R A A FT FT D R R A FT D R R A FT R A FT R A FT D R FT D R A F R A FT D A 1.

Key Features

  • ARM968E-S processor running at frequencies of up to 125 MHz maximum.
  • Multilayer AHB system bus at 125 MHz with four separate layers.
  • On-chip memory: ‹ Two Tightly Coupled Memories (TCM), 16 kB Instruction (ITCM) and 16 kB Data TCM (DTCM). ‹ On the LPC2925, two separate internal Static RAM (SRAM) instances, 16 kB each. ‹ On the LPC2923 and LPC2921, one 16 kB SRAM block. ‹ 8 kB ETB SRAM, also usable for code execution and data. ‹ Up to 512 kB high-speed flash-program.

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