hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 149

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Figure 4.3 shows the equivalent circuit of a crystal oscillator. An oscillator having the
characteristics given in table 4.2 should be used.
OSC
OSC
OSC
OSC
1
2
OSC
1
2
1
R
f
Figure 4.3(1) Typical Connection to Crystal Oscillator
Figure 4.3(2) Typical Connection to Crystal Oscillator
R
Figure 4.4 Equivalent Circuit of Crystal Oscillator
f
C
C
1
2
C
C
1
2
L
(H8/38024, H8/38024R Group)
(H8/38024S, H8/38124 Group)
S
Note: Circuit constants should be determined in consultation
R = 1 M
Frequency
4.0 MHz
f
R = 1 M
Note: Circuit constants should be determined in
Frequency
C
with the resonator manufacturer.
4.19 MHz
f
S
Ω
±20%
consultation with the resonator manufacturer.
C
Ω
oscillator
0
Crystal
±20%
NDK
Crystal
oscillator
Rev. 7.00 Mar 10, 2005 page 107 of 652
NDK
R
Section 4 Clock Pulse Generators
S
Products
NR-18
name
Recommendation
12 pF ±20%
C
value
1
Recommendation
, C
12 pF ±20%
2
REJ09B0042-0700
C
value
OSC
1
, C
2
2