Overview
The LPC11U68JBD64E is a member of the LPC11Uxx family of microcontrollers from NXP USA Inc. This 32-bit microcontroller is based on the ARM Cortex-M0+ core, which is known for its energy efficiency and ease of use. The device operates at CPU frequencies of up to 50 MHz and is designed for low-cost, high-performance applications.
The LPC11U68JBD64E is part of a scalable entry-level MCU family, making it suitable for a wide range of embedded systems. It features a robust set of peripherals and memory options, including flash, SRAM, and EEPROM, which make it versatile for various use cases.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M0+ |
| CPU Frequency | Up to 50 MHz |
| Flash Memory | Up to 256 KB |
| SRAM | Up to 36 KB |
| EEPROM | Up to 4 KB |
| GPIO Pins | Up to 80 |
| USB Interface | USB 2.0 full-speed device controller with XTAL-less low-speed mode |
| I2C Interfaces | Two I2C-bus interfaces |
| USARTs | Up to five USARTs |
| ADC | One 12-bit ADC |
| Supply Voltage | 2.4 V to 3.6 V |
| Operating Temperature | -40 °C to 105 °C |
| Package Options | LQFP48, LQFP64, LQFP100 |
Key Features
- ARM Cortex-M0+ Processor: Running at frequencies of up to 50 MHz with single-cycle multiplier and fast single-cycle I/O port.
- Memory Options: Up to 256 KB of flash memory, up to 36 KB of SRAM, and up to 4 KB of EEPROM.
- Peripheral Set: Includes DMA controller, CRC engine, USB device controller, I2C-bus interfaces, USARTs, SSP interfaces, PWM/timer subsystem, Real-Time Clock, and a 12-bit ADC.
- Power Management: Supports reduced power modes such as Sleep, Deep-sleep, Power-down, and Deep power-down modes.
- GPIO and Interrupts: Up to 80 general-purpose I/O pins with configurable pull-up/pull-down resistors, programmable open-drain mode, input inverter, and programmable glitch filter and digital filter.
- Debugging and Trace: Supports Serial Wire Debug (SWD) and JTAG boundary scan modes, and Micro Trace Buffer (MTB).
Applications
- Three-phase e-meter: Suitable for energy metering applications due to its precision and low power consumption.
- Car radio: Can be used in automotive infotainment systems.
- GPS tracker: Ideal for GPS tracking devices due to its compact size and low power requirements.
- Medical monitor: Used in medical devices that require precise monitoring and low power consumption.
- Gaming accessories: Suitable for gaming peripherals that need high performance and low latency.
- PC peripherals: Can be used in various PC peripherals such as keyboards, mice, and other input devices.
Q & A
- What is the core architecture of the LPC11U68JBD64E?
The LPC11U68JBD64E is based on the ARM Cortex-M0+ core.
- What is the maximum CPU frequency of the LPC11U68JBD64E?
The maximum CPU frequency is up to 50 MHz.
- How much flash memory does the LPC11U68JBD64E have?
The device has up to 256 KB of flash memory.
- What are the power supply voltage requirements for the LPC11U68JBD64E?
The device operates with a supply voltage of 2.4 V to 3.6 V.
- Does the LPC11U68JBD64E support USB?
Yes, it supports USB 2.0 full-speed device controller with XTAL-less low-speed mode.
- How many GPIO pins does the LPC11U68JBD64E have?
The device has up to 80 general-purpose I/O pins.
- What are the operating temperature ranges for the LPC11U68JBD64E?
The operating temperature range is -40 °C to 105 °C.
- What are the package options available for the LPC11U68JBD64E?
The device is available in LQFP48, LQFP64, and LQFP100 packages.
- Does the LPC11U68JBD64E support reduced power modes?
Yes, it supports Sleep, Deep-sleep, Power-down, and Deep power-down modes.
- What debugging features does the LPC11U68JBD64E support?
The device supports Serial Wire Debug (SWD) and JTAG boundary scan modes, and Micro Trace Buffer (MTB).
