Arm7™ with 512KB flash, 58 KB SRAM, Ethernet, USB 2.0 Device, CAN, and 10-bit ADC

LPC2378FBD144
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The LPC2378 is an Arm7 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 72 MHz. Features include 512 kB of flash memory, 58 kB of SRAM, Ethernet MAC, USB Device, DMA controller, 4 UARTs, 2 CAN channels, 2 SSP, 1 SPI, 3 I2C, I2S, 8-channel 10-bit ADC, 10-bit DAC, PWM, 4 general purpose timers, low power Real-Time Clock with separate battery supply, and up to 104 general purpose I/O pins. The LPC2378 is pin-compatible to the LPC176x Cortex-M3 MCU series.

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Block Diagram

Block diagram: LPC2377FBD144, LPC2378FBD144

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Features

  • Arm7TDMI-S™ processor, running at up to 72 MHz
  • Up to 512 kB on-chip flash program memory
  • 32 kB of SRAM on the Arm local bus for high performance CPU access
  • 16 kB SRAM for Ethernet interface
  • 8 kB SRAM for general purpose DMA use
  • Dual Advanced High-performance Bus (AHB) system
  • EMC provides support for static devices
  • Advanced Vectored Interrupt Controller (VIC)
  • General Purpose DMA controller (GPDMA) on AHB
  • Ethernet MAC with associated DMA controller
  • Four UARTs with fractional baud rate generation
  • USB 2.0 full-speed device with on-chip PHY and associated DMA controller
  • SPI controller
  • CAN controller with two channels
  • Two SSP controllers with FIFO and multi-protocol capabilities
  • Three I2C-bus interfaces
  • I2S (Inter-IC Sound) interface for digital audio input or output
  • SD/MMC memory card interface
  • 104 General purpose I/O pins with configurable pull-up/down resistors
  • 10-bit ADC with input multiplexing among 8 pins
  • 10-bit DAC
  • Four general purpose timers/counters
  • One PWM/timer block with support for three-phase motor control
  • Real-Time Clock (RTC)
  • 2 kB SRAM powered from the RTC power pin
  • WatchDog Timer (WDT)
  • Standard Arm test/debug interface for compatibility with existing tools
  • Emulation trace module supports real-time trace
  • Single 3.3 V power supply (3.0 V to 3.6 V)
  • Four reduced power modes: idle, sleep, power-down, and deep power-down
  • Four external interrupt inputs configurable as edge/level sensitive
  • Processor wake-up from Power-down mode
  • Two independent power domains allow fine-tuning of power consumption
  • Each peripheral has its own clock divider for further power saving
  • Brownout detect with separate thresholds for interrupt and forced reset
  • On-chip power-on reset
  • On-chip crystal oscillator with an operating range of 1 MHz to 25 MHz
  • 4 MHz internal RC oscillator trimmed to 1 % accuracy
  • On-chip PLL allows CPU operation up to the maximum CPU rate
  • Boundary scan for simplified board testing

Target Applications

  • Industrial control
  • Medical systems
  • Protocol converter
  • Communications

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