![](http://datasheet.mmic.net.cn/370000/UPD6708_datasheet_16740712/UPD6708_64.png)
64
μ
PD6708
Recommended Ceramic Resonator (12 MH
z
)
Recommended Crystal Resonator (12 MH
z
)
Manufacturer
Product Name
External Capacities [pF]
C1
C2
Murata Mfg.
CST12.0MT
Note 1
––
––
CSA12.00MX241
30
30
Kyocera Corp.
KBR-12.0M
Note 2
33
33
Manufacturer
Product Name
External Capacities [pF]
C1
C2
Kinseki, Ltd
HC-49/U
22
22
Recommended Ceramic Resonator (12.58 MH
z
)
Manufacturer
Product Name
External Capacities [pF]
C1
C2
Murata Mfg.
CSTCS12.5MTA 904
Note 1
––
––
TDK
FCR12.58M2S
Note 1
33
33
Notes 1.
Can only be used when communication mode 0 or 1 is used (frequency accuracy:
±
1.5 %).
This is a custom product, and therefore the manufacturer should be contacted directly.
2.
Caution
The oscillation circuit constants and oscillation voltage range shown above indicate the condition under
which oscillation is stable and do not guarantee the oscillation frequency accuracy. If a high oscillation
frequency accuracy is required from the actual circuit, the resonator mounted to the actual circuit must
be adjusted. For details, directly consult the manufacturer of the resonator.
External Circuit
Caution
Wire the dotted portion in the above figure as follows to prevent adverse influences of wiring capacitance
when using the system clock oscillation circuit.
Keep the wiring length as short as possible.
Do not cross the wiring with any other signal lines.
Do not place the wiring in the vicinity of a line through which a high alternating current flows.
Always keep the ground point of the capacitor of the oscillation circuit at the same potential as V
SS
.
Do not ground the wiring to a ground pattern through which a high current flows.
Do not extract signals from the oscillation circuit.
XI
XO
GND
C1
C2
#
#
#