Fujitsu F2MC-16LX Hardware Manual page 481

Note:
Select transfer direction before writing data to SDR.
[bit 1] SOE: Serial Out Enable (serial output permission)
Controls the external pin (SOT) for serial I/O.
SOE
0
1
• This bit is initialized to "0" at reset.
• This bit can be read and written.
[bit 0] SCOE: SCk1 Output Enable (shift clock output enable)
Controls output of the input/output external pins (SCK1,SCK2) for shift clock.
SCOE
0
1
Set this bit to "0", when you transfer data in external shift clock mode for each individual instruction.
• Initialized to "0" at reset.
• This bit can be read and written.
General-purpose port [Initial value]
Serial data output
At the transfer by general-purpose port terminal and instruction
[Initial value]
Shift clock output pin
CHAPTER 20 EXTENDED I/O SERIAL INTERFACE
Operation
Operation
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