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(3) Using the Internal Oscillator Circuit Bare Board
To use the emulation probe at a frequency you like, build a desired oscillator circuit on the included OSC-
2 oscillator circuit bare board.
Figure 3.3 shows an external view of the OSC-2 oscillator circuit bare board and where the connector
pins are located. Figure 3.4 shows the circuitry of the oscillator circuit bare board OSC-2. Use the
number of oscillator circuits recommended by the oscillator manufacturer.
Figure 3.3 External view of the oscillator circuit board OSC-2 and its connector pin positions
Figure 3.4 Circuits of the oscillator circuit bare board OSC-2
J1-4: GND
J1-3: Oscillator output
J1-2: GND
J1-1: Vcc
IC1
R1
C2
C1
X1 ,X2
CLK
Vcc
GND
R2
J1-3
1011 8
9
2
1
4
3
6
5
12
13
C3
IC1
J1-1
J1-2
J1-4
GND
IC
1
**
X3
*
IC1
14
7
* X1: 5.08-mm-pitch 2-pin oscillator IC1: Inverter (Unbuffer)
* X2: 2.54-mm-pitch 2-pin oscillator
* X3: 2.54-mm-pitch 3-pin oscillator