Clock Module - Renesas M3A-HS25 User Manual

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2.5 Clock Module

The clock module in the M3A-HS25 consists of the following two blocks:
•
Output from a oscillator connected to EXTAL of the SH7125
•
Ceramic resonator connected to EXTAL and XTAL
The M3A-HS25 has a 12.5MHz oscillator connected to it as standard specification.
Figure2.5.1 shows the block diagram of clock module.
Rev.1.0 July 21, 2006
REJ10J0952-0100
Oscillator
*
R21
CLK
*：To mount the ceramic oscillator, remove R21.
: Not mounted
Figure2.5.1 Block Diagram of Clock Module
SH7125
EXTAL
XTAL
Ceramic Resonators
12.5MHz
Functional Overview
2.5 Clock Module
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