Datasheet


  
SLLS037C − MARCH 1988 − REVISED JANUARY 2006
23
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
XTAL1
Oscillator Clock
to Baud
Generator
Logic
V
CC
XTAL2
External
Clock
Optional
Clock
Output
Driver
Optional
XTAL1
V
CC
XTAL2
RX2
C1
R
P
Crystal
C2
Oscillator Clock
to Baud
Generator
Logic
TYPICAL CRYSTAL OSCILLATOR NETWORK
CRYSTAL
R
P
RX2 C1 C2
3.1 MHz 1 MΩ 1.5 kΩ 10−30 pF 40−60 pF
1.8 MHz 1 MΩ 1.5 kΩ 10−30 pF 40−60 pF
Figure 10. Typical Clock Circuits