Renesas M3028BT2-CPE User Manual page 42

M3028BT2-CPE User's Manual
3. Using the Internal Oscillator Circuit Bare Board
To use this product at a frequency you like, build a desired oscillator circuit on the included OSC-2 oscillator circuit bare board.
Figure 2.18 shows an external view of the OSC-2 oscillator circuit bare board and the connector pin locations. Figure 2.19
shows the circuitry of the oscillator circuit bare board OSC-2. Use the number of oscillator circuits recommended by the
oscillator manufacturer.
Figure 2.18 External view of the oscillator circuit board OSC-2 and its connector pin locations
IC1
11
R1
*
X1 ,X2
C2
X1: 5.08mm pitch 2-pin oscillator
*
X2: 2.54mm pitch 2-pin oscillator
X3: 2.54mm pitch 3-pin oscillator
Figure 2.19 Circuits of the oscillator circuit bare board OSC-2
REJ10J1457-0300 Rev.3.00 July 22, 2009
10 9
1
*
R2
3
5
C1
13
*
X3
J1-4: GND
J1-3: Oscillation output
J1-2: GND
J1-1: VCC
IC1
8
2
4
C3
6
12
IC1
IC1: Inverter (Unbuffer)
CLK
J1-3
Vcc
J1-1
14
IC1
7
J1-2
GND
J1-4
GND
Page 40 of 90
2. Setup