M38517T-ADS Renesas Electronics America, M38517T-ADS Datasheet - Page 10

• Manufacturer Part Number: M38517T-ADS
• Description: DEV TMP TRGT BRD FOR M38517RSS &
• Manufacturer: Renesas Electronics America

Specifications of M38517T-ADS

• Accessory Type: Target Board
• For Use With/related Products: M38517
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

5. Oscillator Circuit
5.1 Oscillator Circuit Board
5.2 32.768kHz Oscillator Circuit
The M38517T-ADS has a built-in oscillator circuit board on which a 4.0MHz oscillator is mounted.
Figure 5.1 shows an external view of the OSC-2 oscillator circuit board (bare board) and where
connector pins are located. Figure 5.2 shows the circuitry of the OSC-2 oscillator circuit board (bare
board). Use the number of oscillator circuits recommended by the oscillator manufacturer.
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)
The 32.768kHz oscillator circuit is prepared on the M38517T-ADS. When using the 32.768kHz
oscillator circuit as a sub-clock, set the short-circuit connector of the SW1 to the XCIN side.
C2
* X1: 5.08-mm-pitch 2-pin oscillator
*
*
X2: 2.54-mm-pitch 2-pin oscillator
X3: 2.54-mm-pitch 3-pin oscillator
11
R1
X1 ,X 2
IC1
*
X3
10
*
*
C1
R2
( 8 / 12 )
9
13
1
3
5
IC1
IC1
8
12
2
4
6
IC1: Inverter (Unbuffer)
C3
J1-4: GND
J1-3: Oscillator output
J1-2: GND
J1-1: VCC (5 V)
Bypass capacitor
IC1
CLK
14
7
GND
GND
Vcc
J1-3
J1-1
J1-2
J1-4