RL78/G15 Fast Prototyping Board

AI-generated Summary: The document explains how to implement handshake-based SPI master transmission and reception using the serial array unit (SAU) with simple SPI (CSI) communication. It details the use of chip select (CS) signals to select slave devices and BUSY signals for handshake synchronization, ensuring the slave is ready before communication starts. Communication occurs in 1 ms slots with commands such as status check, receive, transmit, and transmit/receive. The document covers peripheral functions, timing charts, and software flowcharts to support reliable SPI master communication on the RL78/G15 microcontroller.

AI-generated Summary: The document explains how to wirelessly transmit humidity and temperature data using the RL78/G15 microcontroller with the XBee ZB S2C module and HS300x sensor. It details acquiring sensor data via I2C, processing it on the RL78/G15, and sending it through UART to the XBee module. The receiving wireless module captures this data and displays it on an LCD. It covers hardware configurations, pin assignments, module specifications, sample program structures, and software operation, including initialization and communication protocols. The document also lists development environments, compilers, and hardware used for testing.

AI-generated Summary: The document explains how to wirelessly transmit humidity and temperature data from the HS300x sensor using the RL78/G15 microcontroller and DA14531MOD Bluetooth Low Energy module. It details the hardware configuration, including UART and I2C communication interfaces, and provides a sample program to acquire, calculate, and send sensor data to a smartphone via Bluetooth LE. The document also specifies operating conditions, peripheral settings, and software operation steps to facilitate seamless sensor data communication.

AI-generated Summary: The interval timer function of the Timer Array Unit (TAU0) controls LED inversion based on timer interrupts (INTTM00). The timer interrupt cycle adjusts according to the number of switch presses, changing LED on/off intervals through preset timing values (500 ms to 62.5 ms). The setup includes initializing the timer in interval mode, configuring I/O ports and external interrupts, and counting timer interrupts to toggle the LED. External interrupts modify the timer interval dynamically by updating the timer data register value.

AI-generated Summary: The document explains how to implement master transmission and reception using the RL78/G15 microcontroller's serial interface IICA in a single-master I2C communication system. It covers address transmission, data transmission, and reception with slave devices, detailing slave address specifications, register handling, and communication timing. The document includes hardware and software configuration, operation flowcharts, interrupt processing, and sample code to facilitate development and evaluation of IICA-based communication.

AI-generated Summary: The document explains how to use I2C communication to receive acceleration data from the BMX055 gyro sensor, convert it into angle data, and display tilt angles on an ACM1602NI-FLW-FBW-M01 LCD using the RL78/G15 microcontroller. It details the initialization and operation of the I2C bus, gyro sensor, and LCD, including data conversion formulas and timing. The document also provides hardware configurations, software functions, and sample code for implementing a digital angle meter with real-time angle calculation and display.

AI-generated Summary: The document explains how to implement PWM output using the timer array unit (TAU0) on the RL78/G15 microcontroller. It details operating channel 0 as the master and channel 3 as the slave in simultaneous mode to control LED brightness by adjusting the PWM duty cycle. The PWM pulse cycle is fixed at 2 ms, with the duty cycle changing every 500 ms in increments from 10% to 90%, affecting LED brightness inversely. The document includes hardware configuration, software setup, timing charts, and sample code for practical implementation.

AI-generated Summary: The A/D converter on the RL78/G15 converts analog voltages input through the P03/ANI2 pin into 10-bit digital values. The CPU uses HALT mode to wait for conversion completion, triggered by an interrupt. Conversion results are shifted right by six bits and stored in internal RAM. The document details hardware configuration, pin usage, and software flow, including initialization, interrupt handling, and continuous conversion cycles. Operation is confirmed on the RL78/G15 MCU with specified development environments and hardware settings.