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Section 4 Clock Pulse Generators
Rev. 6.00 Sep 12, 2006 page 82 of 526
REJ09B0326-0600
4.2
System Clock Generator
Clock pulses can be supplied to the system clock divider either by connecting a crystal or ceramic
resonator, or by providing external clock input.
Connecting a Crystal Resonator:
Figure 4.2 shows a typical method of connecting a crystal
resonator.
1
2
C
1
C
2
OSC
OSC
R = 1 M ±20%
C = C = 12 pF ±20%
f
1
2
Ω
R
f
Figure 4.2 Typical Connection to Crystal Resonator
Figure 4.3 shows the equivalent circuit of a crystal resonator. An oscillator having the
characteristics given in table 4.1 should be used.
C
S
C
0
R
S
OSC
1
OSC
2
L
S
Figure 4.3 Equivalent Circuit of Crystal Resonator
Table 4.1
Crystal Resonator Parameters
Frequency
2 MHz
4 MHz
8 MHz
10 MHz
R
S
(max)
500
Ω
100
Ω
50
Ω
30
Ω
C
0
(max)
7 pF
7 pF
7 pF
7 pF
Содержание F-ZTAT H8/3642A Series
Страница 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Страница 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Страница 21: ...Rev 6 00 Sep 12 2006 page xix of xx Appendix E Product Code Lineup 522 Appendix F Package Dimensions 524 ...
Страница 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Страница 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Страница 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Страница 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Страница 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Страница 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Страница 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...