External Clock Input; When Subclock Is Not Needed - Renesas Hitachi H8S/2194 Series Hardware Manual

10.7.2

External Clock Input

(1) Circuit Configuration
When external clock input connect to the X1 pin, and X2 pin should remain open as
connection example of figure 10.10.
Figure 10.10 Connection Example When Inputting External Clock
10.7.3

When Subclock is not Needed

Connect X1 pin to V
Figure 10.11 Terminal When Subclock is not Needed
X1
X2
, and X2 pin should remain open as shown in figure 10.11.
CC
X1
X2
External clock input
Open
V
CC
Open
Rev. 2.0, 11/00, page 233 of 1037