HD6413002 Datasheet, PDF (518/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

Section 16 Clock Pulse Generator
16.1 Overview
The H8/3002 has a built-in clock pulse generator (CPG) that generates the system clock (ø) and
other internal clock signals (ø/2 to ø/4096). The clock pulse generator consists of an oscillator
circuit, a duty adjustment circuit, and prescalers.
16.1.1 Block Diagram
Figure 16-1 shows a block diagram of the clock pulse generator.
XTAL
EXTAL
Oscillator
Duty
adjustment
circuit
CPG
Prescalers
ø
ø/2 to ø/4096
Figure 16-1 Block Diagram of Clock Pulse Generator
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