User's Manual

EK-RA4W1 6. Configurations
R20UT4683EJ0100 Rev.0.90 Page 23 of 30
Apr.28.20
6.3 On-Chip Oscillator
Table 6-3 and Table 6-4 show the option-link resistors for the operation of the on-chip oscillator.
Table 6-3 Option-Link Resistors for the HOCO
Setting of the HOCO
Mounted
Not Mounted
Remark
Oscillating
R5, R9
R6, R8

Halted
R6, R8
R5, R9
Mount a crystal oscillator on X1 or X2 and the
load capacitance as C8 or C9.
Table 6-4 Option-Link Resistors for the LOCO
Setting of the LOCO
Mounted
Not Mounted
Remark
Oscillating
R11, R12


Halted

R11, R12
Mount a crystal oscillator on X3 and the load
capacitance as C10 or C11.