Samsung S3C6400X User Manual page 1049

Real Time Clock
32.768KHZ X-TAL CONNECTION EXAMPLE
The Figure 33-2 shows a circuit of the RTC unit oscillation at 32.768Khz.
EXTERNAL INTERFACE
Name Direction
XTI Input
XTO Input
33-4
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
15~ 22pF
32768Hz
Figure 33-2. Main Oscillator Circuit Example
Description
32 KHz RTC Oscillator Clock Input
32 KHz RTC Oscillator Clock output
S3C6400
XTIrtc
XTOrtc
RISC MICROPROCESSOR