Serial Status and Data Register SSD | Fujitsu MB89202, F202RA

CHAPTER 13 UART

13.4.3Serial Status and Data Register (SSD)

The serial status and data register (SSD) controls data transmission/reception of UART and status in an error, enables/disables interrupts, and specifies and checks settings for parity or bit-8 transmitting data.

■Serial Status and Data Register (SSD)

Figure 13.4-4 Serial Status and Data Register (SSD)

Address

002AH

bit7	bit6	bit5	bit4	bit3	bit2 bit1		bit0
RDRF	ORFE	TDRE	TIE	RIE		TD8/TP	RD8/RP


R	R	R/W	R/W	R/W		R/W	R

Initial value 00100-1XB

R/W : Readable/Writable

R: Read only

: Unused

X : Undefined

: Initial value

RD8/	Bit-8 receiving data/parity bit

	Parity used	Parity not used
RP	Parity used	Parity not used
	(SMC: PEN = 1)	(SMC: PEN = 0)
0	Detects odd parity.	Bit-8 receiving data*

1	Detects even parity.
1	Detects even parity.

TD8/	Bit-8 transmitting data/parity bit

	Parity used	Parity not used
TP	Parity used	Parity not used
TP	(SMC: PEN = 1)	(SMC: PEN = 0)
	(SMC: PEN = 1)	(SMC: PEN = 0)

0	Adds odd parity.	Sets bit-8 transmitting data.*

1	Adds even parity.
1	Adds even parity.

RIE	Reception interrupt request enable bit

0Disables output of reception interrupt requests.

1 Enables output of reception interrupt requests.

TIE	Transmission interrupt request enable bit

0Disables output of transmission interrupt requests.

1Enables output of transmission interrupt requests.

TDRE	Transmitted data flag bit

0Data to be transmitted included

1Data to be transmitted not included

RDRF ORFE		Received data flag bit/Overrun/Framing error flag bit
0	0	No data

01 Framing error

10 Normal data

1	1 Overrun error (previous data remaining)

*: Effective only when data length is 9 bits (SMC: MC1 and MC0 = 10B and 11B, operating mode is 2 or 3.)

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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 MB89202, F202RA manual Serial Status and Data Register SSD

Models: F202RA MB89202

CHAPTER 13 UART

13.4.3Serial Status and Data Register (SSD)

Figure 13.4-4 Serial Status and Data Register (SSD)

TIE

TDRE

F202RA, MB89202 specifications