LPC2131-Power Circuit-Circuit Diagram-华强电子网

[Application] Single-chip circuit [Performance Parameters] The LPC2131 is built around a 32/16-bit ARM7TDMI-STM CPU microcontroller with support for real-time emulation and embedded tracing. It features 32kB, 64kB, or 512kB of embedded high-speed flash memory. The 128-bit wide memory interface and unique acceleration architecture enable 32-bit code to run at maximum clock rates. For applications requiring tighter control over code size, the 16-bit Thumb? mode can reduce code size by over 30% with minimal performance impact. Available in a compact LQFP64 package, the LPC2131 offers 8KB of RAM and 32KB of FLASH memory, along with 8 10-bit A/D channels. The small form factor and low power consumption make it ideal for applications like access control and point-of-sale (POS) devices. It also includes a variety of serial communication interfaces and 8/16/32kB of on-chip SRAM, making it suitable for communication gateways, protocol converters, soft modems, voice recognition, and low-end imaging systems. Key Features: ● 16/32-bit ARM7TDMI-S microcontroller in a small LQFP64 package. ● On-chip static RAM options: 8/16/32kB. ● Built-in boot loader software supports system/in-application programming (ISP/IAP). ● Embedded DICE?RT and trace interface for real-time debugging using on-chip RealMonitor software. ● Two 10-bit 8-channel ADCs (16 total analog inputs) with a conversion time of 2.44µs per channel. ● One 10-bit DAC with various analog output configurations. ● Two 32-bit timer/counters (each with 4 capture and 4 compare channels), a PWM unit (6 outputs), and a watchdog timer. ● Real-time clock with independent power supply and clock source for reduced power consumption in power-saving modes. ● Multiple serial interfaces, including two 16C550 industry-standard UARTs, two high-speed I²C interfaces (400 kbit/s), SPI, and SSP with buffering and variable data length. ● Vector interrupt controller with configurable privilege and vector addresses. ● Up to 47 general-purpose I/O ports (LQFP64 package). ● 9 edge or level-triggered external interrupt pins. ● CPU operating frequency of up to 60MHz via on-chip PLL, with a stabilization time of 100µs. ● On-chip crystal frequency range: 1~30 MHz. ● Two low-power modes: idle and power-down. ● Power consumption can be optimized by enabling/disabling external functions and reducing the external clock speed. ● Wake-up capability from power-down mode via an external interrupt. ● Single power supply with power-on reset (POR) and brown-out detection (BOD) circuits: - CPU operating voltage range: 3.0~3.6 V (±10% of 3.3V), with I/O ports capable of withstanding up to 5V. Pin Package Diagram:

[Interchange Compatibility] This document provides comprehensive details about the LPC2131 microcontroller, including its functional parameters and packaging information.

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