OO
SS
CC
IILL
LL
AA
TT
OO
RR
OSCILLATOR
The EasyPIC5 enables you to use microcontrollers fitting eight different sockets. Since these are not
close to each other, there are two on-board clock oscillators. One of them, denoted by OSC1, is con-
nected to DIP28, DIP40, DIP18A and DIP18B sockets. Another one, denoted by OSC2, is connected to
DIP8, DIP14 and DIP20 sockets. There are identification marks next to each MCU socket on a
silkscreen indicating which oscillator should be used. Quartz crystal is placed in the X1 socket by default.
If you use OSC2, it is necessary to remove it from the X1 socket and place it in the X2 socket.
Note:
10F MCU socket is not connected to either oscillator. The appropriate MCUs have only an internal
oscillator and do not use quartz crystal. Refer to the Figure above.
1
14
4
Figure 15
Oscillators