Fujitsu F2MC-16LX Hardware Manual page 399

[Bit 1] SOE: Serial Out Enable (Enable serial output)
This bit is used for control of the external output pins (SOT1 and 2) for serial I/O.
0 General-purpose port pin (initial value)
1 Serial data output
• This bit is initialized to "0" at reset.
• This bit can be read and written.
[Bit 0] SCOE: SCK1 Output Enable (Enable shift clock output)
This bit controls output of the external input/output pins (SCK1 and 2) for the serial clock.
0 Use of general-purpose port pins, transfer for each instruction (initial value)
1 Shift clock output pin
Set to "0" when transferring data for each instruction in external shift clock mode.
• Initialized to "0" at reset.
• This bit can be read and written.
CHAPTER 20 EXPANDED I/O SERIAL INTERFACE
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