Overview
The LPC2420FBD208K is a 16-bit/32-bit microcontroller designed by NXP USA Inc., based on the ARM7TDMI-S CPU core. This microcontroller is part of the LPC2400 series and is notable for its flashless design, making it ideal for applications where code is stored externally. It supports both 32-bit ARM and 16-bit Thumb instructions, allowing engineers to optimize their applications for either performance or code size. The LPC2420FBD208K features a range of peripherals and interfaces, including USB, UARTs, SPI, and more, making it versatile for various applications.
Key Specifications
| Specification | Value |
|---|---|
| CPU Core | ARM7TDMI-S |
| Instruction Sets | 32-bit ARM, 16-bit Thumb |
| Clock Speed | Up to 72 MHz |
| SRAM | 64 kB |
| External Bus | No external bus |
| USB | Full-speed device/host/OTG with 4 kB endpoint RAM |
| UARTs | Four |
| SPI | Yes |
| Power Supply | Single 3.3 V (3.0 V to 3.6 V) |
| Power Modes | Idle, Sleep, Power-down, Deep Power-down |
| Package Type | LQFP208 (28x28x1.4 mm) |
| Temperature Range | -40°C to +85°C |
Key Features
- Real-time debug interfaces including JTAG and embedded trace
- Support for both 32-bit ARM and 16-bit Thumb instructions
- USB full-speed device/host/OTG controller with 4 kB endpoint RAM
- Four UARTs and an SPI interface
- WatchDog Timer (WDT) with multiple clock sources
- Four reduced power modes: idle, sleep, power-down, and deep power-down
- Four external interrupt inputs configurable as edge/level sensitive
- Versatile pin function selections
- 2 kB SRAM powered from the RTC power pin for data storage during power-off
Applications
- Industrial control systems
- Medical systems
- Protocol converters
- Communication systems
Q & A
- What is the CPU core of the LPC2420FBD208K?
The CPU core is the ARM7TDMI-S. - What are the supported instruction sets?
The LPC2420FBD208K supports both 32-bit ARM and 16-bit Thumb instructions. - What is the maximum clock speed of the LPC2420FBD208K?
The maximum clock speed is up to 72 MHz. - How much SRAM does the LPC2420FBD208K have?
The LPC2420FBD208K has 64 kB of SRAM. - Does the LPC2420FBD208K have an external bus?
No, it does not have an external bus. - What USB capabilities does the LPC2420FBD208K have?
The LPC2420FBD208K has a full-speed USB device/host/OTG controller with 4 kB endpoint RAM. - How many UARTs does the LPC2420FBD208K have?
The LPC2420FBD208K has four UARTs. - What are the power modes available on the LPC2420FBD208K?
The available power modes are idle, sleep, power-down, and deep power-down. - What is the package type of the LPC2420FBD208K?
The package type is LQFP208 (28x28x1.4 mm). - What is the operating temperature range of the LPC2420FBD208K?
The operating temperature range is -40°C to +85°C.
