HD64F38024HV Datasheet, PDF (129/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 4 Clock Pulse Generators
OSC₁
OSC₂
C₁
R_f
C₂
R _f = 1 MΩ ±20%
Frequency
4.19 MHz
Crystal
oscillator
NDK
C₁, C₂
Recommendation
value
12 pF ±20%
Note: Circuit constants should be determined in
consultation with the resonator manufacturer.
Figure 4.3(1) Typical Connection to Crystal Oscillator
(H8/38024, H8/38024R Group)
OSC₁
R_f
OSC₂
C₁
R _f = 1 MΩ ±20%
C₂
Frequency
Crystal
oscillator
Products
name
C₁, C₂
Recommendation
value
4.0 MHz
NDK
NR-18 12 pF ±20%
Note: Circuit constants should be determined in consultation
with the resonator manufacturer.
Figure 4.3(2) Typical Connection to Crystal Oscillator
(H8/38024S, H8/38124 Group)
Figure 4.3 shows the equivalent circuit of a crystal oscillator. An oscillator having the
characteristics given in table 4.2 should be used.
OSC₁
C_S
L_S
R_S
OSC₂
C₀
Figure 4.4 Equivalent Circuit of Crystal Oscillator
Rev. 8.00 Mar. 09, 2010 Page 107 of 658
REJ09B0042-0800