CHAPTER 1 OVERVIEW

Table 1.2-2 CPU and Peripheral Functions of MB89202/F202RA Series

Item

 

Specification

 

 

 

 

 

 

Number of basic instructions:

136 instructions

 

 

Instruction bit length:

8 bits

CPU function

Instruction length:

1 to 3 bytes

Data bit length:

1, 8, or 16 bits

 

 

 

 

Minimum instruction execution time: 0.32 to 5.1 ∝s (at 12.5 MHz)

 

 

Interrupt processing time:

2.88 to 46.1 ∝s (at 12.5 MHz)

 

 

 

 

Port

General-purpose I/O port: 26 pins (Also serve as peripherals. 4 of which can be used as N-ch

 

open-drain I/O ports.)

 

 

 

 

 

 

 

21-bit

21 bits

 

 

time-base

Interrupt cycle: 0.66 ms, 2.64 ms, 21 ms, or 335.5 ms with 12.5MHz main clock

 

timer

 

 

 

 

 

 

Watchdog

Reset occurrence cycle: When the main clock is at 12.5 MHz (minimum 335.5 ms)

 

timer

 

 

 

 

 

 

8-bit

8-bit interval timer operation (Square wave output is supported. Operating clock cycle:

 

1 tINST, 16 tINST, 64 tINST, and 8/16-bit capture timer/counter output)

 

PWM

 

8-bit resolution PWM operation (Conversion cycle:

 

timer

 

256 tINST, 4096 tINST, 16384 tINST and 256 times 8/16-bit capture timer/counter output)

 

 

 

8/16-bit

8-bit capture timer/counter ⋅ 1 channel + 8-bit timer or 16-bit capture timer/counter ⋅ 1 channel

 

capture

When timer 0 or a 16-bit counter is operating, event-counting operation by external clock input

 

timer/

and square wave output are supported.

 

 

counter

 

 

 

 

 

 

Periphera

UART

Transfer data length: 6, 7, or 8 bits

 

 

 

 

l function

8-bit serial

8 bits length, LSB first/MSB first selectability

 

 

One clock selectable from four operation clocks

 

I/O

 

(one external shift clock, three internal shift clocks: 2 tINST, 8 tINST, 32 tINST)

 

 

 

12-bit

Output frequency: Pulse width and cycle are selectable.

 

PPG timer

 

 

 

 

 

 

External

3 channels (interrupt vector, request flag, and request output enable)

 

interrupt 1

Edge selectability (selectable from rising edge, falling edge, and both-edge modes)

 

(wake-up)

Also available for wake-up from stop or sleep (Edge detection is also available in stop mode.)

 

 

 

 

External

8 inputs 1 channel (L level interrupt and input enable are independent.)

 

interrupt 2

Also available for wake-up from stop or sleep (Level detection is also available in stop mode.)

 

(wake-up)

 

 

 

 

 

 

 

10-bit A/D

10-bit resolution ⋅ 8 channels

 

 

A/D conversion function (Conversion time: 38 tINST)

 

converter

 

Continuous activation by 8/16-bit capture timer/counter output or time-base timer output.

 

 

 

 

 

 

 

Wild

8-bit ⋅ 2

 

 

register

 

 

 

 

 

 

Note:

The oscillation is 12.5 MHz unless another condition such as the main clock maximum speed, the clock

cycle value, or conversion time is stated.

5

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Fujitsu manual CPU and Peripheral Functions of MB89202/F202RA Series, Specification, Pwm, Uart
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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.
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