English
Language : 

HD6433832S Datasheet, PDF (104/560 Pages) Renesas Technology Corp – single-chip microcomputers
Figure 4.8 shows the equivalent circuit of the 32.768-kHz crystal oscillator.
CS
LS
X1
RS
X2
C0
C0 = 1.5 pF typ
RS = 14 kΩ typ
f W = 32.768 kHz
Crystal oscillator: MX38T
(Nihon Denpa Kogyo)
Figure 4.8 Equivalent Circuit of 32.768-kHz Crystal Oscillator
2. Inputting an external clock (H8/3832S, H8/3833S, H8/3834S, H8/3835S, H8/3836S, H8/3837S
only)
(1) Circuit configuration
An external clock is input to the X1 pin. The X2 pin should be left open.
An example of the connection in this case is shown in figure 4.9.
External clock input
X1
X2
Open
Figure 4.9 Example of Connection when Inputting an External Clock
89