R5F52105BDLJ#U0

Program Memory Size:	128KB (128K x 8)
Supplier Device Package:	100-TFLGA (7x7)
Package / Case:	100-TFLGA
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x12b; D/A 2x10b
Voltage - Supply (Vcc/Vdd):	1.62 V ~ 5.5 V
RAM Size:	20K x 8
EEPROM Size:	8K x 8
Program Memory Type:	FLASH
Series:	RX200
Number of I/O:	84
Peripherals:	DMA, LVD, POR, PWM, WDT
Connectivity:	EBI/EMI, I²C, SCI, SPI
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	RX
Part Status:	Active
Packaging:	Tray

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R5F52105BDLJ#U0 is an 8-bit microcontroller with 18K bytes of in-system programmable EEPROM manufactured by Renesas Electronics, which belongs to the embedded - microcontroller category. It is mainly used in communication interface, data acquisition, control interface, and consumer products.

The R5F52105BDLJ#U0 covers the basic 8-bit microcontroller features such as timer, counter, serial communication interface, watchdog, DMA, and I/O ports. It has an 18K bytes of in-system programmable EEPROM, and a 64K bytes of on-chip flash memory with 4K bytes of RAM. It is capable of clock speeds of up to 10 MIPS (million instructions per second) and can operate on supply voltage between 1.9 and 5.5V.

The R5F52105BDLJ#U0 is based on the open architecture of instructions, which allows for the full range of instructions (Instruction Set Reference Manual) and rich peripheral control functions. These instructions include 8-bit load and store instructions, arithmetic logic instructions, branch instructions, combined arithmetic and logic instructions, shift instructions, bit manipulation instructions, rotatory instructions, and I/O access instructions.

The R5F52105BDLJ#U0 also supports hardware interrupts, enabling the execution of user-defined service routines within predetermined time intervals. VisualDSP also supports user-defined interrupt service routines, so that devices such as keyboards, mouses, or digital timers can be connected directly to the R5F52105BDLJ#U0, without the need for dedicated devices like universal asynchronous receiver-transmitters (UARTS).

The R5F52105BDLJ#U0 is capable of a wide range of communication techniques, such as I2C, SPI, UART, USB, CAN, and Ethernet. The I2C protocol is used for basic chip-level communication, while the SPI bus is used for controlling external peripherals such as EEPROMs, SRAMs, and Flash Memories. The USB helps in setting up communications with host devices, enabling data transfer to and from the R5F52105BDLJ#U0. The CAN protocols allow for communication between distributed controllers in automotive and industrial applications. Lastly, Ethernet helps in putting up networks between multiple R5F52105BDLJ#U0.

Apart from communication, the R5F52105BDLJ#U0 is widely used for data acquisition and control systems. The analog-to-digital converter (ADC) is used to convert continuous analog signals into digital data. The on-chip comparator compares digital data with a reference level, and generates a “high” or “low” output based on the results of the comparison. The on-chip interrupts help the R5F52105BDLJ#U0 MCU to interrupt its own operations, whenever a certain input occurs, thus enabling the control of external events. Lastly, the timer and counter are used to set up timing delays in order to generate a periodic signal, or as an event counter for timekeeping.

Overall, the R5F52105BDLJ#U0 is a powerful, low-cost, low-power microcontroller with a wide variety of embedded I/O and communication capabilities. Its embedded 8-bit architecture combined with the extended instruction set makes it an ideal choice for many embedded control applications.

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