Fujitsu F2MC-8L Series Hardware Manual page 103

8-bit microcontroller

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Table of Contents

CHAPTER 3 CPU

Pin states in standby mode

By using the pin state specification bit (SPL) in the standby control register (STBC), most I/O

pins can hold the state immediately prior to transition to the stop or watch mode or can be

placed in a high-impedance state regardless of the current clock mode.

For the states of pins in each standby mode, see Appendix E "MB89120/120A Series Pin

While the watch prescaler increments, no watch interrupt is generated.

These functions can operate if the watch prescaler output or subclock frequency-

divided output has been selected for the operating clock.