LPC2000

LPC2000

LPC2000 is a series of 32-bit microcontrollers from NXP Semiconductors. They are based on a 1.8 V ARM7TDMI-S core operating at up to 80 MHz together with a variety of peripherals including serial interfaces, 10-bit ADC/DAC, timers, capture compare, PWM, USB interface, and external bus options. Flash memory ranges from 32 kB to 512 kB; RAM ranges from 4 kB to 96 kB.

LPC214x series

The LPC2141, LPC2142, LPC2144, LPC2146, and LPC2148 are full-speed USB 2.0 devices in LQFP64 packages. Multiple peripherals are supported including one or two 10-bit ADCs and an optional 10-bit DAC.

LPC2300 series

The LPC2364/66/68 and the LPC2378 are full-speed USB 2.0 devices with 2 CAN interfaces and 10/100 Ethernet MAC in LQFP100 and LQFP144 packages. Multiple peripherals are supported including a 10-bit 8-channel ADC and a 10-bit DAC.

Development technique

Within each series of chips, many of the chips differ only in how much memory they have. Before development, one often does not know for certain, how much memory will be needed. One development technique is to develop with a chip that for the needed I/O and footprint, has the most memory (and is the most expensive). After development, one knows how much memory is actually needed, so the cheapest microcontroller that has enough memory is used for production.

See also

*ARM architecture

External links

* [http://www.standardics.nxp.com/products/lpc2000/ NXP LPC2000 page]
* [http://tech.groups.yahoo.com/group/lpc2000/ LPC2000 Forum]
* [http://www.lpc2000.com Site with additional information, FAQ and tools summary]


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