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LPC2292/2294

16/32-bit ARM microcontrollers; 256 kB ISP/IAP flash with CAN, 10-bit ADC and external memory interface



LPC2292/2294

16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, together with 256 kB of embedded high-speed flash memory.

LPC2292
Microcontroller with 256KB ISP/IAP flash, 2 CAN channels, 10-bit ADC, external memory interface
LPC2294
Microcontroller with 256KB ISP/IAP flash, 4 CAN channels, 10-bit ADC, external memory interface

< Key features brought by LPC2292/2294/01 devices >

  • Fast GPIO ports enable port pin toggling up to 3.5 times faster than the original device. They also allow for a port pin to be read at any time regardless of its function.
  • Dedicated result registers for ADC(s) reduce interrupt overhead. The ADC pads are 5 V tolerant when configured for digital I/O function(s).
  • UART0/1 include fractional baud rate generator, auto-bauding capabilities and handshake flow-control fully implemented in hardware.
  • Buffered SSP serial controller supporting SPI, 4-wire SSI, and Microwire formats.
  • SPI programmable data length and master mode enhancement.
  • Diversified Code Read Protection (CRP) enables different security levels to be implemented. This feature is available in LPC2292/2294/00 devices as well.
  • General purpose timers can operate as external event counters.

< Key features common for all devices >

  • 16/32-bit ARM7TDMI-S microcontroller in a LQFP144 package.
  • 16 kB on-chip static RAM and 256 kB on-chip flash program memory. 128-bit wide interface/accelerator enables high-speed 60 MHz operation.
  • In-System Programming/In-Application Programming (ISP/IAP) via on-chip bootloader software. Single flash sector or full chip erase in 400 ms and programming of 256 B in 1 ms.
  • EmbeddedICE-RT and Embedded Trace interfaces offer real-time debugging with the on-chip RealMonitor software as well as high-speed real-time tracing of instruction execution.
  • Two/four (LPC2292/2294) interconnected CAN interfaces with advanced acceptance filters. Additional serial interfaces include two UARTs (16C550), Fast I2C-bus (400 kbit/s) and two SPIs.
  • Eight channel 10-bit ADC with conversion time as low as 2.44 us.
  • Two 32-bit timers (with four capture and four compare channels), PWM unit (six outputs), Real-Time Clock (RTC), and watchdog.
  • Vectored Interrupt Controller (VIC) with configurable priorities and vector addresses.
  • Configurable external memory interface with up to four banks, each up to 16 MB and 8/16/32-bit data width.
  • Up to 112 general purpose I/O pins (5 V tolerant). Up to nine edge/level sensitive external interrupt pins available.
  • 60 MHz maximum CPU clock available from programmable on-chip PLL with settling time of 100 us.
  • On-chip crystal oscillator with an operating range of 1 MHz to 30 MHz.
  • Power saving modes include Idle and Power-down.
  • Processor wake-up from Power-down mode via external interrupt.
  • Individual enable/disable of peripheral functions for power optimization.
  • Dual power supply:
    • CPU operating voltage range of 1.65 V to 1.95 V (1.8 V +- 0.15 V).
    • I/O power supply range of 3.0 V to 3.6 V (3.3 V +- 10 pct) with 5 V tolerant I/O pads.

< Block Diagram >

< Pinning >

- Application Notes -  
- AN10254-2 NXP ARM LPC microcontroller family
- AN10256-2 Using IAP for LPC2000 ARM devices
- AN10302-4 : Using the Philips LPC2000 Flash utility with the Keil MCB2100 and IAR LPC210x Kickstart evaluation boards
- AN10331_1; NXP LPC2xxx family phase lock loop
- AN10381_1; Nesting of interrupts in the LPC2000
- AN10389_1; Getting started uClinux with LPC22xx
- AN10403_1; Connecting ethernet interface with LPC2000
- AN10404_1; Initialization code/hints for the LPC2000 family
- AN10413_2; uC/OS-II Time Management in LPC2000
- AN10414_1; Handling of spurious interrupts in the LPC2000
- AN10421_1; Power management for LPC2138
- AN10513_1; Brushed DC motor control using the LPC2101
- AN10548_1; Getting started with LPC288x
- AN10576_1; Migrating to the LPC2300/2400 family
- AN10583_1; Realizing an MP3 player with the LPC2148, using libmad &EFSL
- AN10600_1; Connecting NXP ARM-based microcontroller LPC2200 to small page NAND flash
- AN10661_1; Brushless DC motor control using the LPC2141
- AN10674_1; NXP LPC2000 CAN Driver with FullCan Mode
   
- Support Documents-  
- NXP_flash_utility : ARM flash utility
- 75014347: LPC219x Family
- 75014374: Multimarket Semiconductors Selection Guide
- 75014395: Your connection to I 2 C,UART,CAN,and USB Connecting with Philips Wired Connectivity
- 75013968; LPC229x family
- 75015572: The Innovation Leader in microcontrollers
- 75014628; LPC22x0 family Low-cost 16/32-bit ARM7TDMI-S
- 75015818 : LFPAK power MOSFETs and LPC microcontrollers
- 75015815: 60Mhz/32bit MCU with ARM Core LPC213x
- 75015812; 72MHz, 32-bit microcontroller with ARM7 LPC23xx
- 75016051: The choice for embedded Technologies
- Errata Sheet (LPC2292)
- Errata Sheet (LPC2294)
- LPC2292/2294 User Manual
   
- Technical Notes -  
- TN05007 LPC2xxx UART Transmitter Code Example
- TN06001 LPC2xxx SPI Master Code Example
- TN06002 LPC2000 EINT Code Example
- TN06004 LPC2000 ADC Code Example
- LPC2000 I2C Slave Code Example
- LPC2000 USB Design Guide Line
- UUencode

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