at89s8253-24psu ATMEL Corporation, at89s8253-24psu Datasheet - Page 33

• Manufacturer Part Number: at89s8253-24psu
• Description: At89s8253 8-bit Microcontroller With 12k Bytes Flash And 2k Bytes Eeprom
• Manufacturer: ATMEL Corporation

16. Oscillator Characteristics
3286K–MICRO–12/06
XTAL1 and XTAL2 are the input and output, respectively, of an inverting amplifier that can be
configured for use as an on-chip oscillator, as shown in
ceramic resonator may be used.
ple clock loading and the respective resulting clock amplitudes.
Figure 16-1. Oscillator Connections
Note:
Figure 16-2. Quartz Crystal Clock Source
C1, C2 = 5 pF ± 5 pF for Crystals
6.5
5.5
4.5
3.5
2.5
1.5
6
5
4
3
2
1
= 5 pF ± 5 pF for Ceramic Resonators
2
4
6
Quartz Crystal Clock Input
8
Figures 16-2 and 16-3
10
Frequency (MHz)
12
14
16
18
illustrate the relationship between sam-
Figure
20
16-1. Either a quartz crystal or
22
24
AT89S8253
0 pF
5 pF
10 pF
33