Overview
The LPC2925FBD100,551 is a 32-bit microcontroller from NXP Semiconductors, part of the LPC2921/2923/2925 family. This device integrates an ARM968E-S CPU core, operating at frequencies up to 125 MHz, and is designed for consumer, industrial, and communication markets. It features a robust set of peripherals and memory options, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| CPU Core | ARM968E-S |
| Operating Frequency | Up to 125 MHz |
| Memory | Up to 512 kB flash memory, 16 kB Instruction TCM, 16 kB Data TCM, up to 40 kB SRAM (two 16 kB SRAM instances on LPC2925), 8 kB ETB SRAM, 16 kB true EEPROM |
| USB | Full-speed USB 2.0 device controller with dedicated DMA controller and on-chip device PHY |
| CAN and LIN | Dual CAN controllers supporting FullCAN, extensive message filtering; Two LIN master controllers with full hardware support for LIN communication |
| UARTs | Two 550 UARTs with 16-byte Tx and Rx FIFO depths, DMA support, and RS-485/EIA-485 (9-bit) support |
| ADCs | Two 10-bit ADCs, each with 8 channels, 3.3 V measurement range, and conversion times as low as 2.44 μs per channel |
| Timers and PWMs | Four 32-bit timers each containing four capture-and-compare registers; Four six-channel PWMs with capture and trap functionality |
| Package | 100-pin LQFP (SOT407-1) |
Key Features
- ARM968E-S processor running at frequencies up to 125 MHz
- Multi-layer AHB system bus at 125 MHz with four separate layers
- Dual-master, eight-channel GP DMA controller on the AHB multi-layer matrix
- Full-speed USB 2.0 device controller with dedicated DMA controller and on-chip device PHY
- Dual CAN controllers and two LIN master controllers with full hardware support
- Two 10-bit ADCs with multiple trigger-start options and compare functions
- Four 32-bit timers and four six-channel PWMs with capture and trap functionality
- Flexible Clock Generation Unit (CGU) for dynamic clock gating and scaling to optimize system power consumption
Applications
The LPC2925FBD100,551 is targeted at various markets including:
- Consumer electronics: For applications requiring high performance and low power consumption.
- Industrial automation: Utilizing its CAN, LIN, and other serial interfaces for robust communication.
- Communication systems: Leveraging its USB, UART, and other serial interfaces for data transmission.
Q & A
- What is the CPU core of the LPC2925FBD100,551?
The CPU core is an ARM968E-S.
- What is the maximum operating frequency of the LPC2925FBD100,551?
The maximum operating frequency is up to 125 MHz.
- What types of memory does the LPC2925FBD100,551 have?
It includes up to 512 kB flash memory, 16 kB Instruction TCM, 16 kB Data TCM, up to 40 kB SRAM, 8 kB ETB SRAM, and 16 kB true EEPROM.
- Does the LPC2925FBD100,551 support USB?
Yes, it supports full-speed USB 2.0 with a dedicated DMA controller and on-chip device PHY.
- What communication interfaces are available on the LPC2925FBD100,551?
It includes CAN, LIN, UART, SPI, I2C, and Q-SPI interfaces.
- How many ADC channels does the LPC2925FBD100,551 have?
It has two 10-bit ADCs, each with 8 channels.
- What is the package type of the LPC2925FBD100,551?
The package type is 100-pin LQFP (SOT407-1).
- Is the LPC2925FBD100,551 RoHS compliant?
Yes, it is RoHS compliant and lead-free.
- What are the primary markets targeted by the LPC2925FBD100,551?
The primary markets include consumer electronics, industrial automation, and communication systems.
- What is the purpose of the Clock Generation Unit (CGU) in the LPC2925FBD100,551?
The CGU provides dynamic clock gating and scaling to optimize system power consumption.
