Lower Address Set Registers WRARL0 and WRARL1

CHAPTER 16 WILD REGISTER FUNCTION

16.3.3Lower Address Set Registers (WRARL0 and WRARL1)

The lower address set registers (WRARL0 and WRARL1) are registers where the lower byte of addresses to be corrected by the wild register function are set.

■Lower Address Set Register (WRARL)

Figure 16.3-4 Lower Address Set Register (WRARL)

	Address	bit7	bit6	bit5	bit4	bit3	bit2	bit1	bit0	Initial value

WRARL0	0041H	RA07	RA06	RA05	RA04	RA03	RA02	RA01	RA00	XXXXXXXXB
	0041H	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W	XXXXXXXXB
		R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W

WRARL1	0044H	RA07	RA06	RA05	RA04	RA03	RA02	RA01	RA00	XXXXXXXX B
	0044H	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W	XXXXXXXX B
		R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
R/W : Readable and Writable
X	: Undefined

Table 16.3-3 Functions of Lower Address Set Register (WRARL)

Wild register number	Register name	Function

0	WRARL0	1-byte registers that specify the lower addresses of memory being
		assigned. They specify the addresses corresponding to the individual
1	WRARL1
1	WRARL1	wild register numbers.

353

F202RA, MB89202 specifications

The Fujitsu MB89202 and F202RA microcontrollers are part of the 16-bit microcontroller family, renowned for their robust performance and versatility in a variety of embedded system applications. These devices are tailored for high-efficiency operation across diverse industries, including automotive, consumer electronics, and industrial automation.

One of the main features of the MB89202 is its powerful CPU core, which operates at a clock speed of up to 20 MHz. This enables the microcontroller to perform complex calculations and consumer-grade applications seamlessly. The architecture is designed to handle multiple tasks effectively, making it suitable for real-time operations.

Memory capacity is a vital characteristic of the MB89202, featuring on-chip RAM and ROM configurations. The microcontroller can accommodate different memory variants, providing developers with flexibility in memory allocation based on their application requirements. This adaptability facilitates applications ranging from simple control systems to complex data processing tasks.

The F202RA variant extends the capabilities of the MB89202 by integrating advanced peripheral functions. It includes built-in timers, A/D converters, and serial communication interfaces, which are essential for interfacing with other hardware components or sensors. The availability of these peripherals reduces the need for additional external circuits, thus contributing to a more compact and cost-effective design.

In terms of power management, the MB89202 series employs advanced power-saving technologies. The microcontroller offers various low-power modes, enabling devices to conserve energy during idle times, making it highly suitable for battery-operated applications. This characteristic not only enhances the efficiency of devices but also extends their operational lifespan.

Moreover, the Fujitsu MB89202 series incorporates robust protection features, including watchdog timers and failure detection mechanisms. These safety features ensure reliable operation in critical systems, making them a preferred choice in applications where failure is not an option.

The MB89202 and F202RA microcontrollers also support a range of development tools and environments, including integrated development environments (IDEs) and software libraries, which facilitate rapid application development. With these tools, developers can efficiently prototype, debug, and optimize their applications.

In summary, the Fujitsu MB89202 and F202RA microcontrollers stand out with their efficient performance, extensive memory options, integrated peripherals, and power-saving capabilities, making them ideal for a wide array of embedded applications. Their reliability and robustness further enhance their attractiveness for designers seeking advanced microcontroller solutions.

Fujitsu F202RA, MB89202 manual Lower Address Set Registers WRARL0 and WRARL1

Models: F202RA MB89202

CHAPTER 16 WILD REGISTER FUNCTION

16.3.3Lower Address Set Registers (WRARL0 and WRARL1)

Figure 16.3-4 Lower Address Set Register (WRARL)

Table 16.3-3 Functions of Lower Address Set Register (WRARL)

Wild register number

WRARL0

WRARL1

F202RA, MB89202 specifications