msm9802 Oki Semiconductor, msm9802 Datasheet - Page 39

• Manufacturer Part Number: msm9802
• Description: Voice Synthesis Ic With Built-in Mask Rom
• Manufacturer: Oki Semiconductor

CR Oscillation
Figure 5.1 shows an external circuit using CR oscillation. Figure 5.2 shows the CR oscillation frequency
characteristics.
OKI Semiconductor
500
450
400
350
300
250
200
150
100
50
0
V
C=47 pF
V
C=30 pF
DD
DD
Figure 5.2 CR Oscillation Frequency Characteristics
=5 V
=5 V
10
20
Figure 5.1 CR Oscillation
V
C=47 pF
R1
R2
DD
Load Resistance R2 (k )
C
=3 V
30
OSC1
OSC2
OSC3
40
50
R1=100 k
60
V
C=30 pF
DD
MSM9802/03/05-xxx
=3 V
FEDL9802-03-05-05
70
39/53