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TMP92CM22
2007-02-16
92CM22-20
(2) Single drive for high-frequency oscillator
(Purpose)
Not need twin-drive and protect mistake operation by inputted noise to X2 pin
when the external oscillator is used.
(Block diagram)
(Setting method)
The oscillator is disabled and starts operation as buffer by writing “1” to
EMCCR0<EXTIN> register. X2 pin is always outputted “1”.
By reset, <EXTIN> is initialized to “0”.
f
OSCH
Oscillation enable (
><+ EXTINEMCCR0STOP )
EMCCR0<DRVOSCH>
X1 pin
X2 pin