CHAPTER 1 OVERVIEW

1.4Block Diagram of MB89202/F202RA Series

Figure 1.4-1 shows the block diagram of the MB89202/F202RA series.

Block Diagram of MB89202/F202RA Series

Figure 1.4-1 Block Diagram of MB89202/F202RA Series

X0

 

 

 

Main clock

 

 

 

 

 

 

 

 

 

X1

 

 

oscillator

 

 

 

 

 

 

 

 

 

 

Clock controller

RST

6

Reset circuit

 

Port

 

 

2

 

P60, P61

 

CMOS I/O port

 

 

*1P70

3

7

 

to

 

 

Port

CMOS I/O port

 

 

 

1

P72

 

 

*

 

 

Time-base timer

CMOS I/O port

8-bit PWM

Port 5

P50 / PWM

UART prescaler

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P04 / INT24

4

 

 

 

 

to

 

 

 

 

 

P07 /

INT27

 

 

 

 

 

 

 

 

 

 

 

 

 

2

P02 / INT22 / AN6,

 

 

 

 

 

P03 /

INT23

/ AN7

 

 

 

 

2

P00 /

INT20

/ AN4,

P01 /

 

INT21

 

/ AN5

 

*1P40 / AN0

4

 

 

 

 

to

 

 

 

 

*1P43 / AN3

 

Other pins

VCC, VSS, C

CMOS I/O port

8

External

interrupt2

 

Port 0

(wake-up)

 

4

 

4

10-bit A/D

 

converter

Port 4

 

CMOS I/O port

(N-ch OD)

*2 512 or 256 bytes RAM

F2MC - 8 L CPU

*2 16K or 8K bytes ROM

Wild register

Internal bus

 

 

UART

 

 

 

witchings

 

 

 

 

 

P30 / UCK / SCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P31 / UO / SO

 

 

 

 

 

 

 

nction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P32 / UI / SI

 

 

8-bit

 

 

 

 

al fu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

serial I/O

 

 

 

 

eri

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

P33 / EC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8/16-bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

capture timer/

 

 

 

 

 

 

 

 

3

 

 

P34 / TO / INT10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

counter

 

 

 

 

 

 

 

 

Port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P35 / INT11

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

External interrupt1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P36 / INT12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12-bit PPG

 

 

 

 

 

 

 

 

 

 

 

P37 / BZ / PPG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Buzzer output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CMOS I/O port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1: Large-current drive type

*2 : Check section "3.1 Memory Space"

7

Page 23
Image 23
Fujitsu manual Block Diagram of MB89202/F202RA Series

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.