Fujitsu FR30 Computer Hardware User Manual


  Open as PDF
of 461
 
134
CHAPTER 4 BUS INTERFACE
[bit 0] COE0 (Chip select Output Enable 0)
The C0E0 bit controls the CS0X output. When this bit is reset, output is permitted.
0: Inhibits output.
1: Permits output (initial value).
When the external bus mode is used, the C0E0 bit performs no I/O port control for the CS0X
pin. Always set this bit to "1".
 previous next