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LPC2194 +BOM

Single-chip16/32-bitmicrocontrollers256 kB ISP/IAPFlashwith10-bitADCandCAN

Produttore:

NXP
ProduttorePart #:

LPC2194
Scheda dati:

LPC2194 Scheda dati (PDF)
Pacchetto/custodia:

QFP64
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LPC2194

E-mail: [email protected]

Skype: live:.cid.ab6b29428937b76

tel: +852 95804164

LPC2194 Descrizione generale

General descriptionThe LPC2194 is based on a 16/32 bit ARM7TDMI-S™ CPU with real-time emulation and embedded trace support, together with 256 kilobytes (kB) of embedded high speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb Mode reduces code by more than 30% with minimal performance penalty.FeaturesKey features■ 16/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 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 (ISP) and In-Application Programming (IAP) via on-chip boot-loader software. Flash programming takes 1 ms per 512 byte 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 I2C (400 kbits/s) and two SPIs™.■ Four channel 10-bit A/D converter with conversion time as low as 2.44 µs.■ Two 32-bit timers (with 4 capture and 4 compare channels), PWM unit (6 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 9 edge or level sensitive external interrupt pins available.■ Operating temperature range from −40 °C to +105 °C.■ 60 MHz maximum CPU clock available from programmable on-chip Phase-Locked Loop.■ 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%) with 5 V tolerant I/Opads.

Caratteristiche principali

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.

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