HD643303x Hitachi, HD643303x Datasheet - Page 420

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HD643303x

Manufacturer Part Number
HD643303x
Description
Hitachi Microcomputer
Manufacturer
Hitachi
Datasheet
15.1 Overview
The H8/3032 Series 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.
15.1.1 Block Diagram
Figure 15-1 shows a block diagram of the clock pulse generator.
XTAL
EXTAL
Figure 15-1 Block Diagram of Clock Pulse Generator
Section 15 Clock Pulse Generator
Oscillator
adjustment
405
circuit
Duty
ø
CPG
ø/2 to ø/4096
Prescalers

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