IC80C51 Datasheet, PDF (34/44 Pages) Integrated Circuit Solution Inc – CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

IC80C51
IC80C31
XTAL2
XTAL1
R
C1
C2
Figure 22. Oscillator Connections for High Speed (> 24 MHz)
Note:
When the frequency is higher than 24 MHz, please refer to Table 11 for recommended values of C1, C2, and R.
Table 11. Recommended Value for C1, C2, R
Frequency Range
3.5 MHz - 24 MHz
24 MHz - 40 MHz
C1
20 pF-30 pF
3 pF-10 pF
C2
20 pF-30 pF
3 pF-10 pF
R
Not Apply
6.2K-10K
S3-34
Integrated Circuit Solution Inc.
MC001-0B