LPC2124FBD64,151

LPC2114/2124 - 单芯片16/32位微控制器；128/256 kB ISP/IAP闪存，带10位ADC

Overview

The LPC2114/2124 are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, together with 128/256 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.

With their compact 64-pin package, low power consumption, various 32-bit timers, 4-channel 10-bit ADC, PWM channels and 46 fast GPIO lines with up to nine external interrupt pins these microcontrollers are particularly suitable for industrial control, medical systems, access control and point-of-sale. With a wide range of serial communications interfaces, they are also very well suited for communication gateways, protocol converters and embedded soft modems as well as many other general-purpose applications.

**Remark**: Throughout the data sheet, the term LPC2114/2124 will apply to devices with and without the /00 or /01 suffixes. The /00 or the /01 suffix will be used to differentiate from other devices only when necessary.

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## Features

**2.1 Key features brought by LPC2114/2124/01 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 ADCs reduce interrupt overhead. The ADC pads are 5 V tolerant when configured for digital I/O functions.

* 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 LPC2114/2124/00 devices as well.

* General purpose timers can operate as external event counters.

**2.2 Key features common for all devices**

* 16/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 package.

* 16 kB on-chip static RAM.

* 128/256 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 interface enables breakpoints and watch points. Interrupt service routines can continue to execute whilst the foreground task is debugged with the on-chip RealMonitor software.

* Embedded Trace Macrocell ETM enables non-intrusive high speed real-time tracing of instruction execution.

* Four-channel 10-bit ADC with conversion time as low as 2.44 µs.

* Two 32-bit timers with four capture and four compare channels, PWM unit six outputs, Real-Time Clock RTC and watchdog.

* Multiple serial interfaces including two UARTs 16C550, Fast I²C-bus 400 kbit/s and two SPIs.

* 60 MHz maximum CPU clock available from programmable on-chip Phase-Locked Loop with settling time of 100 µs.

* 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.

* 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/O pads. 16/32-bit ARM7TDMI-S processor.

## Features