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LPC2194

Single-chip 16/32-bit microcontroller; 256\ kB ISP/IAP flash with 10-bit ADC and CAN



LPC2194

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

LPC2194
Microcontroller with 256KB ISP/IAP flash, 10-bit ADC, 2 CAN channels

< Key features brought by LPC2194/01 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 LPC2194/00 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 tiny LQFP64 package.
  • 16 kB on-chip SRAM and 256 kB on-chip flash program memory. 128-bit wide interface/accelerator enables high speed 60 MHz operation.
  • In-System Programming (ISP) and In-Application Programming (IAP) via on-chip bootloader software. Flash programming takes 1 ms per 512 B line. Single sector or full chip erase takes 400 ms.
  • EmbeddedICE-RT and Embedded Trace interfaces offer real-time debugging with on-chip RealMonitor software as well as high speed real-time tracing of instruction execution.
  • Four interconnected CAN interfaces with advanced acceptance filters. Additional serial interfaces are two UARTs (16C550), Fast I 2 C-bus (400 kbit/s) and two SPIs.
  • Four 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 and Watchdog.
  • Vectored Interrupt Controller with configurable priorities and vector addresses.
  • Up to forty-six 5 V tolerant general purpose I/O pins. Up to nine edge or level sensitive external interrupt pins available.
  • Operating temperature range from -40 Cel to +125 Cel.
  • 60 MHz maximum CPU clock available from programmable on-chip Phase-Locked Loop with settling time of 100 us.
  • On-chip crystal oscillator with an operating range of 1 MHz to 30 MHz.
  • Two low power modes, 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>

 

Product
Ordering Code
LPC2194HBD64 9352 787 04151
LPC2194HBD64/00 9352 823 59151
LPC2194HBD64/01 9352 848 81151
- Application Notes -  
- AN10256-2 Using IAP for LPC2000 ARM devices
- AN10403_1; Connecting ethernet interface with LPC2000
- AN10413_2; uC/OS-II Time Management in LPC2000
- AN10576_1; Migrating to the LPC2300/2400 family
   
- Support Documents-  
- NXP_flash_utility : ARM flash utility
- 75014347: LPC219x Family
- 75015815: 60Mhz/32bit MCU with ARM Core LPC213x
- 75015812; 72MHz, 32-bit microcontroller with ARM7 LPC23xx
- 75016051: The choice for embedded Technologies
- Errata Sheet (LPC2194)
- LPC2194 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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