6
2.2 Sub clock settings
The sub clock connection can be set as follows by J7 and J24.
The settings of these jumpers is shown below.
Note: A sub clock oscillator is not mounted in default. (Xtal 32.768kHz)
Figure 5 Sub clock jumpers location
Table 3 J7 setting
Table 4 J24 setting
Setting
X1A connection select
1-2
X1A connect to sub clock (default)
2-3
X1A connect to Q14
Setting
X0A connection select
1-3
X0A connect to GND
3-5
X0A connect to sub clock (default)
3-4
X0A connect to Q13
J7
J24
1
2
3
2
4
6
1
3
5