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LPC860 PC accessory schematic and design files
PC Accessory SDRAM Module Controller Based on LPC860 MCUs
The SDRAM module controller reference design for PC accessory applications is based on two LPC860 MCUs, leveraging I3C interface for audio spectrum and temperature information transfer between controller and target. The controller uses FTM trigger ADC to sample the audio information and then implements FFT algorithm to get the spectrum information. After the calculation is finished, the spectrum information is transferred to the target through I3C interface, then the device will drive the led matrix to display spectrum information. At the same time, the target also detects temperature information and transfers it to the controller through the I3C.
Product Details
Block Diagram
Supported Devices
Processors and Microcontrollers
LPC800 Arm Cortex-M0+
- LPC86X: LPC860: 32-Bit Arm® Cortex®-M0+-Based Low-Cost MCU with I3C Interface
Features
- 2x LPC860 – one as leader, another as follower
- 1x USB power supply
- 3x LDO (5v to 3.3v/ 3.3v to 1v /5v to 1.8v)
- 1x OLED for music spectrum display, I3C speed and temperature and fans speed display
- 1x amplifier and 1x MIC for audio single detecting
- 16x32 WS2812s for music spectrum display
- 4xTMP sensors, detect the real time temperature (IO voltage 1.0v)
- 2x fans, controlled by follower FTM
- 1x EEPROM at follower side