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CHAPTER 1 OVERVIEW
1.1 Features of MB89202/F202RA Series
The MB89202/F202RA series contains general-purpose single-chip microcontrollers that
incorporate a full range of peripheral functions such as A/D converter, UART, PWM
timer, PPG, capture timer/counter and external interrupts as well as a compact
instruction set.
■ Features of MB89202/F202RA Series
● F
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MC-8L CPU core
• Instruction set most suitable for controllers
• Multiplication and division instruction
• 16-bit operation
• Branch instruction by bit test
• Bit operation instruction, and others
● 4-system timers
• 8/16-bit capture timer/counter (8-bit capture timer/counter + 8-bit timer or 16-bit capture timer/counter)
• 8-bit PWM timer (also available as an interval timer)
• 21-bit time-base timer
• Watchdog timer
● 10-bit A/D converter
•10-bit A/D × 8 channels
• Activation by 8/16-bit capture timer/counter output is possible.
● Programmable pulse generator (PPG)
• Pulse width and cycle are software selectable (12-bit PPG).
● UART
• 6, 7, or 8 transfer data length
● 8-bit serial I/O
• Available when switched from UART
• LSB first/MSB first selectability
● External interrupts
• External interrupt 1 (edge detection × 3 pins) has three independent inputs and can be used for wake-up
from low-power consumption mode. (The edge detection can be selected from rising-edge, falling-edge,
and both-edge modes.)