Datasheet

Table Of Contents
Section 5 Clock Pulse Generator
Rev. 2.00 Jul. 04, 2007 Page 89 of 692
REJ09B0309-0200
5.2.2 Connecting Ceramic Resonator
Figure 5.3 shows a typical method of connecting a ceramic resonator.
OSC1
OSC2
C
1
C
2
Frequency Manufacturer Product Type
4.194 MHz Murata Manufacturing
Co., Ltd.
C
1
, C
2
Recommended Value
15 pF (on-chip)
47 pF (on-chip)
CSTLS4M19G53-B0
CSTLS4M19G56-B0
Figure 5.3 Typical Connection to Ceramic Resonator
5.2.3 External Clock Input Method
Connect an external clock signal to pin OSC1, and leave pin OSC2 open. Figure 5.4 shows a
typical connection. The duty cycle of the external clock signal must be 45 to 55%.
OSC1 External clock input
OSC2 Open
Figure 5.4 Example of External Clock Input