Chapter 5 Clock Generator; Clock Generator Functions; Clock Generator Configuration - NEC PD78081(A) User Manual

5.1 Clock Generator Functions

The clock generator generates the clock to be supplied to the CPU and peripheral hardware. The following type
of system clock oscillator is available.
Main system clock oscillator
This circuit oscillates at frequencies of 1 to 5.0 MHz. Oscillation can be stopped by executing the STOP instruction.

5.2 Clock Generator Configuration

The clock generator consists of the following hardware.

CHAPTER 5 CLOCK GENERATOR

CHAPTER 5 CLOCK GENERATOR
Table 5-1. Clock Generator Configuration
Item
Control register Processor clock control register (PCC)
Oscillation mode selection register (OSMS)
Oscillator Main system clock oscillator
Configuration
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