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HD6433713 Datasheet(PDF) 114 Page - Renesas Technology Corp

Part # HD6433713
Description  single-chip microcontrollers
PDF  324 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433713 Datasheet(HTML) 114 Page - Renesas Technology Corp

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6.3 Subclock Generator
1.
Connecting a 32.768 kHz crystal oscillator
Clock pulses can be supplied to the subclock divider by connecting a 32.768 kHz crystal
oscillator, as shown in figure 6-7. Follow the same precautions as noted for the system clock.
Figure 6-7 Typical Connection to Crystal Oscillator (Subclock)
Figure 6-8 shows the equivalent circuit of the crystal oscillator.
Figure 6-8 Equivalent Circuit of Crystal Oscillator
2.
Pin connection when not using subclock
When the subclock is not used, connect VCC to pin X1 and leave pin X2 open, as shown in
figure 6-9.
X
X
C1
C2
1
2
C1 = C2 = 15 pF typ
CS
C0
L
RS
C0 = 1.5 pF typ
RS = 14 k
typ
f = 32.768 kHz
Ω
103



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