SM5846AP Datasheet, PDF (19/36 Pages) Nippon Precision Circuits Inc – Multi-function Digital Filter

SM5846AP
Crystal oscillator circuit
The built-in crystal oscillator circuit comprises a
feedback resistor and several logic gates. The system
clock can be generated using an external quartz crys-
tal and 2 capacitors.
System
Clock
Rf
CKEN XTI
X'tal
Oscilation/Stop
C1
Contorol
XTO
C2
External clock
When an external clock is used, XTO is left open-
circuit and the clock signal is input on XTI.
CKO
System Clock
Output
System
Clock
Rf
CKEN XTI
XTO
Open
Oscilation/ Stop External Clock
Contorol
Input
CKO
System Clock
Output
NIPPON PRECISION CIRCUITS—19