LPC2138

Product Summary

The LPC2138 microcontrollers are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, that combine the microcontroller with 32 kB, 64 kB, 128 kB, 256 kB and 512 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. Due to their tiny size and low power consumption, these microcontrollers are ideal for applications where miniaturization is a key requirement, such as access control and point-of-sale. With a wide range of serial communications interfaces and on-chip SRAM options of 8 kB, 16 kB, and 32 kB, they are very well suited for communication gateways and protocol converters, soft modems, voice recognition and low-end imaging, providing both large buffer size and high processing power. Various 32-bit timers, single or dual 10-bit 8-channel ADC(s), 10-bit DAC, PWM channels and 47 GPIO lines with up to nine edge or level sensitive external interrupt pins make these microcontrollers particularly suitable for industrial control and medical systems.

Parametrics

Absolute maximum ratings:(1)differential linearity error, ED: ±1LSB; (2)integral non-linearity, EL(adj): ±1.5LSB; (3)offset error, EO: 0.6%; (4)gain error, EG: 0.6%; (5)load capacitance, CL: 200pF; (6)load resistance, RL: 1kΩ.

Features

Features:(1)16/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 or HVQFN package; (2)8/16/32 kB of on-chip static RAM and 32/64/128/256/512 kB of on-chip flash program memory; (3)128-bit wide interface/accelerator enables high-speed 60 MHz operation; (4)Single 10-bit DAC provides variable analog output (LPC2132/34/36/38); (5)Low power Real-time clock with independent power and dedicated 32 kHz clock input; (6)Vectored interrupt controller with configurable priorities and vector addresses; (7)Up to forty-seven 5 V tolerant general purpose I/O pins in tiny LQFP64 or HVQFN package; (8)Up to nine edge or level sensitive external interrupt pins available; (9)Power saving modes include Idle and Power-down.

Diagrams