Overview
The LPC2468FBD208K is a single-chip 16-bit/32-bit microcontroller from NXP Semiconductors, designed around the ARM7TDMI-S CPU core. This microcontroller is part of the LPC2000 family and is optimized for multi-purpose communication applications. It features a high-performance CPU that can execute both 32-bit ARM and 16-bit Thumb instructions, allowing for optimization of either performance or code size. The device includes a range of peripherals and interfaces, making it suitable for various industrial and medical applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | ARM7TDMI-S |
| Maximum Clock Speed | 72 MHz |
| Flash Memory | 512 kB |
| RAM | 98 kB (64 kB local SRAM, 16 kB SRAM for Ethernet, 16 kB SRAM for DMA, 2 kB battery-powered SRAM) |
| Package Type | LQFP-208 |
| Number of I/O Lines | 160 |
| Interface/Connectivity | CANbus, Ethernet, I2C, SPI, SSI, SSP, UART |
| Peripherals | Brownout Reset, Brown-out Detect, I2S, POR, PWM |
| Number of Timers | 6 |
| Supply Voltage | 3V to 3.6V |
| Operating Temperature | -40°C to +85°C |
| On-Chip ADC | 8-channel, 10-bit |
| On-Chip DAC | 1-channel, 10-bit |
Key Features
- ARM7TDMI-S Processor: Runs at up to 72 MHz and supports both 32-bit ARM and 16-bit Thumb instructions.
- Memory: 512 kB on-chip flash program memory with In-System Programming (ISP) and In-Application Programming (IAP) capabilities.
- Communication Interfaces: Includes 10/100 Ethernet MAC, USB 2.0 Device/Host/OTG Controller, four UARTs, two CAN channels, SPI, two SSPs, three I2C interfaces, and an I2S interface.
- External Memory Controller (EMC): Supports external memory expansion.
- Timers and Peripherals: Features 32-bit timers, improved 10-bit ADC, 10-bit DAC, two PWM units, and four external interrupt pins.
- GPIO and Interrupts: Up to 160 fast GPIO lines, with 64 pins connected to the hardware-based Vector Interrupt Controller (VIC).
Applications
- Industrial Control: Suitable for industrial automation and control systems due to its robust set of peripherals and interfaces.
- Medical Systems: Used in medical devices requiring reliable and high-performance processing.
- Protocol Converters and Gateways: Ideal for communication gateways and protocol converters due to its extensive serial communication capabilities.
- Communication Systems: Applies to various communication systems requiring Ethernet, USB, CAN, and other serial interfaces.
Q & A
- What is the processor core of the LPC2468FBD208K?
The processor core is the ARM7TDMI-S.
- What is the maximum clock speed of the LPC2468FBD208K?
The maximum clock speed is 72 MHz.
- How much flash memory does the LPC2468FBD208K have?
The device has 512 kB of on-chip flash memory.
- What types of communication interfaces does the LPC2468FBD208K support?
It supports Ethernet, USB 2.0 Device/Host/OTG, CAN, UART, SPI, SSP, I2C, and I2S interfaces.
- What is the operating temperature range of the LPC2468FBD208K?
The operating temperature range is -40°C to +85°C.
- How many GPIO lines does the LPC2468FBD208K have?
The device has up to 160 fast GPIO lines.
- What is the package type of the LPC2468FBD208K?
The package type is LQFP-208.
- Does the LPC2468FBD208K support external memory expansion?
Yes, it supports external memory expansion through the External Memory Controller (EMC).
- What are some typical applications of the LPC2468FBD208K?
Typical applications include industrial control, medical systems, protocol converters, and communication gateways.
- Does the LPC2468FBD208K have on-chip ADC and DAC?
Yes, it has an 8-channel, 10-bit ADC and a 1-channel, 10-bit DAC.
