LPC11A12FHN33/101,

Microcontrollers Overview

The LPC11A12FHN33/101 is a 32-bit microcontroller based on the ARM Cortex-M0 processor, operating at frequencies up to 50 MHz. It features 16 kB of on-chip flash program memory, 4 kB of SRAM data memory, and 1 kB of EEPROM data memory. The device includes an 8-channel 10-bit ADC, a 10-bit DAC, an analog comparator, and a temperature sensor. Digital peripherals consist of two SSP controllers, one USART, and one I2C-bus interface supporting Fast-mode Plus. It provides up to 28 general-purpose I/O pins in an HVQFN33 package.

Microcontrollers Feature Summary

• Integrated 10-bit DAC with flexible conversion triggering capabilities
• Built-in analog comparator with programmable voltage reference
• Supports In-System Programming (ISP) and In-Application Programming (IAP)
• Configurable GPIO pins with digital input glitch filters

Microcontrollers Applications

• Power management systems
• Industrial control applications
• Remote monitoring devices
• Point-of-sale terminals
• Factory automation equipment

Microcontrollers Procurement Notes

Verify the specific ordering suffix /101 against the manufacturer's current production status to ensure availability. Confirm that the HVQFN33 package dimensions match the target PCB footprint requirements. Check for any RoHS compliance documentation updates relevant to the manufacturing date code.

Microcontrollers Selection Notes

Select this component when an application requires both analog-to-digital and digital-to-analog conversion within a compact form factor. The inclusion of EEPROM allows for non-volatile data storage without external components. Ensure the design utilizes the available 28 GPIO pins effectively given the limited pin count compared to larger packages.

Microcontrollers Part Context

This part belongs to the LPC11Axx family, which targets low-cost 8/16-bit microcontroller replacements. The family offers scalable memory options ranging from 8 kB to 32 kB flash. It shares common peripheral sets across the series, including timers, serial interfaces, and analog subsystems, facilitating migration between different memory configurations.

Microcontrollers Replacement Considerations

LPC11A11FHN33/001: Offers reduced memory capacity (8 kB Flash, 2 kB SRAM).

Microcontrollers FAQ

Does the LPC11A12FHN33/101 include an analog-to-digital converter?

Yes, it features a 10-bit ADC with eight input channels.

What type of debug interface is supported?

It supports Serial Wire Debug (SWD) and JTAG boundary scan.