MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D Page 85 of 172
• If the pin state setting bit is “0”, the state of the port I/O or that of the peripheral function I/O remains unchanged
and the output level is maintained.
18.12 Port F
Port F is a general-purpose I/O port. This section focuses on its functions as a general-purpose I/O port. For details of
peripheral functions, refer to their respective chapters in “New 8FX MB95710M/770M Series Hardware Manual”.
18.12.1 Port F configuration
Port F is made up of the following elements.
• General-purpose I/O pins/peripheral function I/O pins
• Port F data register (PDRF)
• Port F direction register (DDRF)
18.12.2 Block diagrams of port F
•PF0/X0 pin
This pin has the following peripheral function:
• Main clock input oscillation pin (X0)
•PF1/X1 pin
This pin has the following peripheral function:
• Main clock I/O oscillation pin (X1)
• Block diagram of PF0/X0 and PF1/X1
PDRF
Pin
PDRF read
PDRF write
Executing bit manipulation instruction
DDRF read
DDRF write
DDRF
0
1
Stop mode, watch mode (SPL = 1)
Internal bus
Hysteresis
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