Overview
The LPC1125JBD48/303EL is a 32-bit microcontroller from NXP USA Inc., belonging to the LPC11xx MCU Family. This family is based on the Arm Cortex-M0 processor and is designed for low-cost, high-performance applications. The LPC1125JBD48 operates at CPU frequencies of up to 50 MHz, making it suitable for a variety of embedded systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor | Arm Cortex-M0 |
| CPU Frequency | Up to 50 MHz |
| Flash Memory | 64 kB |
| SRAM | 8 kB |
| Package | LQFP48 (48 leads, 7 x 7 x 1.4 mm) |
| UARTs | Three UARTs with fractional baud rate generation, internal FIFO, and RS-485 support |
| I2C Interface | Two I2C-bus interfaces supporting full I2C-bus specification and Fast-mode Plus with a data rate of 1 Mbit/s |
| ADC | 12-bit ADC with 2 Msamples/s and eight channels |
| GPIO | Up to 38 General Purpose I/O (GPIO) pins with configurable pull-up/pull-down resistors |
| Power Supply | Single power supply (1.8 V to 3.6 V) |
Key Features
- ARM Cortex-M0 Processor: Provides high performance and low power consumption.
- Memory and Programming: 64 kB on-chip flash programming memory, 8 kB SRAM, and support for In-System Programming (ISP) and In-Application Programming (IAP) via on-chip bootloader software.
- Digital Peripherals: Includes up to 38 GPIO pins, four general purpose counter/timers, and high-current output and sink drivers.
- Analog Peripherals: Features a 12-bit ADC with 2 Msamples/s and eight channels.
- Serial Interfaces: Three UARTs, two SSP controllers, and two I2C-bus interfaces with Fast-mode Plus support.
- Clock Generation: 12 MHz internal RC oscillator trimmed to 1% accuracy and support for Power-On Reset (POR) and brownout detect.
- Unique Device Serial Number: For device identification.
Applications
- eMetering: Suitable for smart metering applications due to its precision and low power consumption.
- Lighting: Can be used in lighting control systems for its ability to handle various interfaces and protocols.
- Alarm Systems: Ideal for security and alarm systems requiring reliable and efficient microcontrollers.
- White Goods: Applicable in consumer electronics such as appliances for its robust and versatile features.
Q & A
- What is the CPU frequency of the LPC1125JBD48?
The CPU frequency of the LPC1125JBD48 can go up to 50 MHz.
- How much flash memory does the LPC1125JBD48 have?
The LPC1125JBD48 has 64 kB of on-chip flash programming memory.
- What type of package is the LPC1125JBD48 available in?
The LPC1125JBD48 is available in an LQFP48 package.
- Does the LPC1125JBD48 support In-System Programming (ISP)?
- How many UARTs does the LPC1125JBD48 have?
The LPC1125JBD48 has three UARTs with fractional baud rate generation and RS-485 support.
- What is the resolution of the ADC in the LPC1125JBD48?
The LPC1125JBD48 features a 12-bit ADC.
- How many GPIO pins does the LPC1125JBD48 have?
The LPC1125JBD48 has up to 38 General Purpose I/O (GPIO) pins.
- What is the power supply range for the LPC1125JBD48?
The LPC1125JBD48 operates on a single power supply ranging from 1.8 V to 3.6 V.
- Does the LPC1125JBD48 have a built-in Nested Vectored Interrupt Controller?
- What are some common applications of the LPC1125JBD48?
The LPC1125JBD48 is commonly used in eMetering, lighting control systems, alarm systems, and white goods.
