HD64F38024HV Datasheet, PDF (134/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 4 Clock Pulse Generators
Pin Connection when Not Using Subclock
When the subclock is not used, connect pin X₁ to GND and leave pin X₂ open, as shown in figure
4.10.
X₁
GND
X₂
Open
Figure 4.10 Pin Connection when not Using Subclock
External Clock Input
Connect the external clock to the X1 pin and leave the X2 pin open, as shown in figure 4.11.
Note that no external clock should be input to the H8/38124 Group.
X₁
X₂
Open
External clock input
Figure 4.11 Pin Connection when Inputting External Clock
Rev. 8.00 Mar. 09, 2010 Page 112 of 658
REJ09B0042-0800