NEC - page 294

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CHAPTER 16 SERIAL INTERFACE CHANNEL 0 ( µ PD78054 Subseries)
16.3 Serial Interface Channel 0 Control Registers
The following four types of registers are used to control serial interface channel 0.
• Timer clock select register 3 (TCL3)
• Serial operating mode register 0 (CSIM0)
• Serial bus interface control register (SBIC)
• Interrupt timing specify register (SINT)
(1) Timer clock select register 3 (TCL3)
This register sets the serial clock of serial interface channel 0.
TCL3 is set with an 8-bit memory manipulation instruction.
RESET input sets TCL3 to 88H.