Overview
The LPC845M301JHI33Y is a 32-bit microcontroller from NXP USA Inc., based on the Arm Cortex-M0+ processor. This microcontroller is designed for a wide range of applications requiring low power consumption, high performance, and advanced peripherals. It is part of the LPC84x family, which offers a robust set of features and a flexible configuration to meet various design needs.
Key Specifications
| Specification | Details |
|---|---|
| Processor | Arm Cortex-M0+ (revision r0p1), up to 30 MHz |
| Memory | Up to 64 KB on-chip flash, 16 KB SRAM |
| Package | HVQFN33: 33 terminals, 5x5 mm body size |
| GPIO | High-current source/output driver (20 mA) on four pins, high-current sink driver (20 mA) on two true open-drain pins |
| Timers | One SCTimer/PWM, one 32-bit general purpose counter/timer, four channel Multi-Rate Timer (MRT), Self-Wake-up Timer (WKT), Windowed Watchdog timer (WWDT) |
| Analog Peripherals | One 12-bit ADC with up to 12 input channels, Comparator with five input pins, two 10-bit DACs |
| Serial Peripherals | Five USART interfaces, two SPI controllers, four I2C-bus interfaces |
| Other Features | DMA with 25 channels, Capacitive Touch Interface, CRC engine, Boot loader, Flash In-Application Programming (IAP) |
Key Features
- Arm Cortex-M0+ Processor: Running at frequencies of up to 30 MHz with single-cycle multiplier and fast single-cycle I/O port.
- Memory and Security: Up to 64 KB on-chip flash programming memory, 16 KB SRAM, and Code Read Protection (CRP).
- GPIO and Interrupts: High-current source/output and sink drivers, GPIO interrupt generation with boolean pattern-matching feature.
- Timers and Counters: Advanced timer and counter configurations including SCTimer/PWM, general purpose counter/timer, and Multi-Rate Timer.
- Analog and Digital Peripherals: 12-bit ADC, comparator, two 10-bit DACs, and multiple serial interfaces (USART, SPI, I2C).
- Additional Features: DMA with 25 channels, Capacitive Touch Interface, CRC engine, and support for Flash In-Application Programming (IAP).
Applications
The LPC845M301JHI33Y is suitable for a variety of applications, including:
- Industrial Automation: Control systems, sensors, and actuators.
- Internet of Things (IoT): Smart home devices, wearables, and other connected devices.
- Consumer Electronics: Audio and video devices, gaming consoles, and other consumer products.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- Medical Devices: Portable medical devices, diagnostic equipment, and health monitoring systems.
Q & A
- What is the processor core of the LPC845M301JHI33Y?
The LPC845M301JHI33Y is based on the Arm Cortex-M0+ processor. - What is the maximum clock frequency of the LPC845M301JHI33Y?
The maximum clock frequency is up to 30 MHz. - How much flash and SRAM memory does the LPC845M301JHI33Y have?
The LPC845M301JHI33Y has up to 64 KB of on-chip flash memory and 16 KB of SRAM. - What types of timers are available on the LPC845M301JHI33Y?
The microcontroller features an SCTimer/PWM, a 32-bit general purpose counter/timer, a Multi-Rate Timer (MRT), a Self-Wake-up Timer (WKT), and a Windowed Watchdog timer (WWDT). - Does the LPC845M301JHI33Y support capacitive touch interfaces?
Yes, it supports a Capacitive Touch Interface. - What is the package type and size of the LPC845M301JHI33Y?
The package type is HVQFN33 with a body size of 5x5 mm. - How many USART, SPI, and I2C interfaces does the LPC845M301JHI33Y have?
The microcontroller has five USART interfaces, two SPI controllers, and four I2C-bus interfaces. - Does the LPC845M301JHI33Y support Flash In-Application Programming (IAP)?
Yes, it supports Flash In-Application Programming (IAP). - What is the purpose of the DMA in the LPC845M301JHI33Y?
The DMA (Direct Memory Access) with 25 channels helps in efficient data transfer between peripherals and memory. - What kind of analog peripherals are available on the LPC845M301JHI33Y?
The microcontroller features a 12-bit ADC, a comparator with five input pins, and two 10-bit DACs.
