Hitachi SH7032 Hardware Manual page 131

C
L1
Figure 7.2 Connection of Crystal Resonator (Example)
Table 7.1 Damping Resistance
Frequency [MHz] 2
Rd [Ω] 1k
Crystal Resonator: Figure 7.3 shows an equivalent circuit of the crystal resonator. Use a crystal
resonator with the characteristics listed in table 7.2.
XTAL
Table 7.2 Crystal Resonator Parameters
Parameter 2
Rs max [Ω] 500
Co max [pF] 7
96
= C =10–22 pF
L2
4
500
L
Figure 7.3 Crystal Resonator Equivalent Circuit
4
120
7
EXTAL
Rd
XTAL
8 12
200 0
C Rs
L
C
0
Frequency (MHz)
8 12
80 60
7 7
C
L1
C
L2
16 20
0 0
EXTAL
16 20
50 40
7 7