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Connecting oscillators
Plug crystal/ceramic oscillators into the crystal oscillator mounting sockets (one for the main clock
and the other for the subclock) on the MCU Board (See "Figure 5 Connection of oscillators") .
You can see one crystal oscillator mounting socket for main clock and the other for subclock on the
MCU Board. Mount a crystal or ceramic oscillator and a capacitor on the MCU Board.
Crystal oscillator mounting socket for main clock
Mount a crystal oscillator used as "main clock".
Crystal oscillator mounting socket for subclock
Mount a crystal oscillator used as "subclock".
If you disable the subclock, set the "CLK" switch to "ON".
GNDVCC
8
PRODUCT SELECT
ADAPTER
2
Capacitor mounting socket
Crystal oscillator mounting socket
Figure 5 Connection of oscillators
5V
ON
ON
1 2 3 4
1 2 3 4
1
2
C
B
A
BGM
1
GND
Capacitor mounting socket
3V
Ceramic
Crystal
oscillator
oscillator
7