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MikroElektronika
page
2.0. Supported Microcontrollers
The
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development system provides eight separate sockets for PIC microcontrollers in DIP40, DIP28, DIP20, DIP18, DIP14 and
DIP8 packages. These sockets allow supported devices in DIP packages to be plugged directly into the development board.
There are two sockets for PIC microcontrollers in DIP18 package provided on the board. Which of these sockets you will use depends solely
on the pinout of the microcontroller in use. The EasyPIC6 development system comes with the microcontroller in a DIP40 package.
EasyPIC6 Development System
Jumpers next to the sockets are used for selecting functions of
the microcontroller pins:
Jumper
Position
J22
RA0 - I/O pin
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J23
9&$3¿OWHUFDSDFLWRUIRU)
RA0 - I/O pin
J16
RA5 - I/O pin
VCC - 18F2331/2431 power supply
J13
OSC - RA6, RA7 are OSC. pins
I/O - RA6, RA7 are I/O pins
J14
OSC - RA4, RA5 are OSC. pins
I/O - RA4, RA5 are I/O pins
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Microcontroller sockets
Prior to plugging the microcontroller into the appropriate socket, make sure that the power supply is turned off. Figure 2-2 shows how to
correctly plug a microcontroller. Figure 1 shows an unoccupied 40-pin DIP socket. Place one end of the microcontroller into the socket
as shown in Figure 2. Then put the microcontroller slowly down until all the pins thereof match the socket as shown in Figure 3. Check
again that everything is placed correctly and press the microcontroller easily down until it is completely plugged into the socket as shown
in Figure 4.
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Only one microcontroller may be plugged into the development board at the same time.
PIC microcontrollers normally use a quartz crystal for the purpose of stabilizing clock frequency. The EasyPIC6 provides two sockets for
quartz-crystal. Microcontrollers in DIP18A, DIP18B, DIP28 and DIP40 packages use socket X1 (OSC1) for quartz-crystal. If microcontrollers
in DIP8, DIP14 and DIP20 packages are used, it is necessary to move quartz crystal from socket X1 to socket X2 (OSC2). Besides, it
is also possible to replace the existing quartz-crystal with another one. The value of the quartz-crystal depends on the maximum clock
frequency allowed. Microcontrollers being plugged into socket 10F use their own internal oscillator and are not connected to any of the
aforementioned quartz-crystal sockets.
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Plugging microcontroller into appropriate socket
1
3
4
