HD6473847RHV Datasheet, PDF (134/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 4 Clock Pulse Generators
4.4.2 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
4.11.
X1
GND
X2
Open
Figure 4.11 Pin Connection when Not Using Subclock
4.4.3 External Clock Input
Connect the external clock to pin X1 and leave pin X2 open, as shown in figure 4.12.
Note that input of an external clock is not supported on the H8/38104 Group.
X1
X2
Open
External clock input
Frequency
Duty
Figure 4.12 Pin Connection when Inputting External Clock
Subclock (φ_w)
45% to 55%
Rev. 7.00 Mar. 08, 2010 Page 102 of 510
REJ09B0024-0700