HD64F3039F18 Datasheet, PDF (522/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 16 Clock Pulse Generator
16.1.1 Block Diagram
Figure 16.1 shows a block diagram of the clock pulse generator.
XTAL
EXTAL
Oscillator
Duty
adjustment
circuit
Frequency
divider
Division
control
register
CPG
Prescalers
Data bus
φ
φ/2 to φ/4096
Figure 16.1 Block Diagram of Clock Pulse Generator
16.2 Oscillator Circuit
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock
signal.
Rev.3.00 Mar. 26, 2007 Page 498 of 682
REJ09B0353-0300