LPC1114FBD48/302,1

Microcontrollers Overview

The NXP LPC1114FBD48/302,1 is a 32-bit microcontroller based on the ARM Cortex-M0 core. It features 32 kB of on-chip flash memory and 8 kB of SRAM. The device operates at CPU frequencies up to 50 MHz and supports a supply voltage range of 1.8 V to 3.6 V. It includes one Fast-mode Plus I2C interface, two SPI controllers, one UART with RS-485 support, four general-purpose timers, and an 8-channel 10-bit ADC. The component is housed in a 48-pin LQFP package.

Microcontrollers Feature Summary

• ARM Cortex-M0 processor providing high performance and low power consumption for 8/16-bit MCU applications
• Integrated In-System Programming (ISP) and In-Application Programming (IAP) capabilities via on-chip bootloader software
• Multiple serial communication interfaces including Fast-mode Plus I2C, dual SPI with SSP features, and UART with RS-485 support

Microcontrollers Applications

• Electronic instrumentation and metering systems
• Industrial network nodes and control units
• Alarm systems and security devices
• White home appliances and consumer electronics

Microcontrollers Procurement Notes

Verify the specific suffix '302' against official NXP documentation to confirm it corresponds to the standard commercial temperature grade (-40°C to +85°C). Ensure the ordering part number matches the exact pin count and package type required for your PCB layout. Cross-reference the manufacturer's current product status, as availability may vary by region or distributor.

Microcontrollers Selection Notes

Select this component when designing cost-sensitive 32-bit applications requiring replacement for legacy 8/16-bit architectures. It is suitable for designs needing moderate code storage with efficient instruction execution. Consider the 48-pin LQFP package constraints and verify that the available GPIO count meets the interface requirements for sensors and actuators.

Microcontrollers Part Context

This microcontroller belongs to the NXP LPC1100L series, which is optimized for low-cost embedded applications. The LPC111x sub-series offers varying flash sizes, with the LPC1114 providing 32 kB of program memory. It shares architectural similarities with other Cortex-M0 devices but is distinctively packaged in LQFP48 for surface-mount assembly.

Microcontrollers Replacement Considerations

Direct functional substitutes within the same family include LPC1114FBD48/301,1 and LPC1114FBD48/303,1. Verify pin compatibility and software register mapping before substitution. Other members of the LPC111x series may require firmware adjustments due to differences in flash size or peripheral availability.