Single-chip 16/32-bit microcontrollers

7 April 2004 DSP, Micros & Memory

The LPC2114/LPC2124 from Philips Semiconductors are based on a 16/32 bit ARM7TDMI-S CPU with realtime 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 (up to 60 MHz operation). For critical code size applications, the alternative 16-bit Thumb Mode reduces code by more than 30% with minimal performance penalty, according to Philips.

These devices have a compact 64 pin package, low power consumption, various 32-bit timers, 4-channel 10-bit ADC, and PWM channels. With 46 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.

The CPU operating voltage range is 1,8 V (±0,15 V) and I/O power supply range is 3,0 to 3,6 V with 5 V tolerant I/O pads. There are two low power modes - Idle and Power-down.

For more information contact Mutronics (value added distributor), 011 608 1460.

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