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5. Oscillator Circuit

5.1 Oscillator Circuit Board

The M37531T-ADS has a built-in oscillator circuit board on which a 4.0MHz oscillator is mounted.

Figure 5.1 External view of the oscillator board (OSC-2) and connector pin assignment

Figure 5.2 Circuit of the oscillator board (OSC-2)

J1-4: GND

J1-3: Oscillator output

J1-2: GND

J1-1: VCC (5 V)

* 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

IC1

X1 ,X2

CLK

Vcc

GND

J1-3

1011 8

IC1

J1-1

J1-2

J1-4

GND

IC1

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Renesas Single-Chip Microcomputer M37531T-ADS Manual do Utilizador Página 9