Philips P89LPC903 - Manual (Page 31)

Philips Semiconductors User’s Manual - Preliminary -
P89LPC901/902/903
CLOCKS
2003 Dec 8
31
Figure 2-4: Block Diagram of Oscillator Control - P89LPC902
RTC
CPU
Watchdog
Oscillator
RC Oscillator
/2
DIVM
WDT
(7.3728MHz)
(400KHz)
CCLK
PCLK
Timer 0 & 1
OSC
CLK
Oscillator
Clock
CPU
Clock
FOSC2:0
RTCS1:0