HD6433682 ETC, HD6433682 Datasheet - Page 102

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

5.2
Figure 5.7 shows a block diagram of the subclock generator.
5.2.1
Clock pulses can be supplied to the subclock divider by connecting a 32.768-kHz crystal
resonator, as shown in figure 5.8. Figure 5.9 shows the equivalent circuit of the 32.768-kHz crystal
resonator.
Rev. 3.00, 05/03, page 72 of 472
Subclock Generator
Connecting 32.768-kHz Crystal Resonator
Note: Constants are reference values.
Figure 5.8 Typical Connection to 32.768-kHz Crystal Resonator
Figure 5.9 Equivalent Circuit of 32.768-kHz Crystal Resonator
C
R
f
W
Figure 5.7 Block Diagram of Subclock Generator
X
O
S
1
= 32.768 kHz
= 14 k
= 1.5 pF (typ.)
(typ.)
X
X
X
X
2
1
Note : Registance is a reference value.
1
2
L
S
8M
C
C
1
2
C
S
C
C = C = 15 pF (typ.)
O
1
2
R
S
X
2