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CHAPTER 11 CLOCK OUTPUT CONTROLLER
User’s Manual U19780EJ2V0UD
319
11.2 Configuration of Clock Output Controller
The clock output controller includes the following hardware.
Table 11-1. Configuration of Clock Output Controller
Item Configuration
Control registers
Clock output selection register (CKS)
Port mode register 4 (PM4)
Port register 4 (P4)
11.3 Registers Controlling Clock Output Controller
The following two registers are used to control the clock output controller.
•
Clock output selection register (CKS)
•
Port mode register 4 (PM4)
(1) Clock output selection register (CKS)
This register sets output enable/disable for clock output (PCL), and sets the output clock.
CKS is set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears CKS to 00H.