Overview
The LPC2131FBD64 is a single-chip 16/32-bit microcontroller produced by NXP USA Inc. It is based on the ARM7TDMI-S CPU, which provides a robust and efficient processing core. This microcontroller is part of the LPC2000 series, known for its high level of integration and versatility in various applications. The LPC2131FBD64 features 32 kB of flash memory and is packaged in a 64-lead LQFP (Low Profile Quad Flat Package), making it suitable for a wide range of embedded systems.
Key Specifications
| Specification | Details |
|---|---|
| CPU | ARM7TDMI-S |
| Flash Memory | 32 kB |
| Package | LQFP64 plastic low profile quad flat package; 64 leads; body 10 × 10 × 1.4 mm |
| ADC | One 8-channel 10-bit ADC (conversion times as low as 2.44 μs per channel) |
| DAC | Single 10-bit DAC (variable analog output) |
| Timers/Counters | Two 32-bit timers/external event counters (with four capture and four compare channels each) |
| PWM | PWM unit (six outputs) |
| Serial Interfaces | Two UARTs (16C550), two Fast I2C-bus (400 kbit/s), SPI, and SSP with buffering and variable data length capabilities |
| Interrupt Controller | Vectored interrupt controller with configurable priorities and vector addresses |
| I/O Pins | Up to forty-seven 5 V tolerant general-purpose I/O pins |
| Clock Speed | 60 MHz maximum CPU clock from programmable on-chip PLL |
| Power Supply | Single power supply: 3.0 V to 3.6 V (3.3 V ± 10%) with 5 V tolerant I/O pads |
| Operating Temperature | -40°C to +85°C |
Key Features
- Real-time emulation and embedded trace support through EmbeddedICE RT and Embedded Trace interfaces.
- Low power Real-time clock with independent power and dedicated 32 kHz clock input.
- Power saving modes include Idle and Power-down, with individual enable/disable of peripheral functions and peripheral clock scaling down for additional power optimization.
- Processor wake-up from Power-down mode via external interrupt or BOD (Brown-Out Detection).
- Multiple serial interfaces including two UARTs, two Fast I2C-bus, SPI, and SSP.
- Up to nine edge or level sensitive external interrupt pins available.
- On-chip integrated oscillator operates with external crystal in range of 1 MHz to 30 MHz and with external oscillator up to 50 MHz.
Applications
The LPC2131FBD64 microcontroller is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Consumer electronics requiring advanced processing and peripheral integration.
- Medical devices that need precise analog and digital signal processing.
- Automotive systems, particularly for non-safety critical applications.
- IoT devices that require efficient processing and low power consumption.
Q & A
- What is the CPU core of the LPC2131FBD64 microcontroller?
The CPU core is the ARM7TDMI-S.
- How much flash memory does the LPC2131FBD64 have?
The LPC2131FBD64 has 32 kB of flash memory.
- What is the package type of the LPC2131FBD64?
The package type is LQFP64, a 64-lead low profile quad flat package.
- What are the key analog peripherals of the LPC2131FBD64?
The key analog peripherals include one 8-channel 10-bit ADC and a single 10-bit DAC.
- What serial interfaces are available on the LPC2131FBD64?
The available serial interfaces include two UARTs, two Fast I2C-bus, SPI, and SSP.
- What is the maximum CPU clock speed of the LPC2131FBD64?
The maximum CPU clock speed is 60 MHz from the programmable on-chip PLL.
- What are the power saving modes available on the LPC2131FBD64?
The power saving modes include Idle and Power-down, with additional power optimization through individual enable/disable of peripheral functions and peripheral clock scaling down.
- How does the processor wake up from Power-down mode?
The processor can wake up from Power-down mode via external interrupt or BOD (Brown-Out Detection).
- What is the operating voltage range of the LPC2131FBD64?
The operating voltage range is 3.0 V to 3.6 V (3.3 V ± 10%) with 5 V tolerant I/O pads.
- What is the operating temperature range of the LPC2131FBD64?
The operating temperature range is -40°C to +85°C.
