Renesas Emulator MCU Board M37549T-RLSS Instrukcja Użytkownika Strona 4
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Oceniono. / 5. Na podstawie oceny klientów
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6. Oscillator Circuit
This product has two oscillator circuit patterns for the main clock XIN and sub-clock XCIN. The oscillator circuit on the user system
may not work properly because the oscillator circuit pin of the emulator MCU is not close enough to the oscillator circuit of the user
system. In this case, mount the oscillator circuit on the oscillator circuit pattern of the M37549T-RLSS.
Figures 3, 4 and 5 show the M37549T-RLSS circuit pattern and diagram.
xin
xout
X1
X2b
C1
C2
R3
X2a
R2
JP2 JP3
JP2
X2
R3
C1 C2
JP3
RdX2
Figure 3 When a ceramic oscillator with built-in capacitor is used for Xin/Xout
xin
xout
X1
X2b
C1
C2
R3
X2a
R2
JP2 JP3
JP2
X2
R3
C1 C2
JP3
Rd
X2
Capacitor
Figure 4 When a ceramic oscillator without built-in capacitor is used for Xin/Xout
xin
xout
X1
X2b
C1
C2
R3
X2a
R2
JP2 JP3
JP2
X1
R2
R3
C1 C2
JP3
Rd
X2
Rf
Capacitor
Figure 5 When Xcin/Xcout is used as a circuit
7. Precautions
IMPORTANT
Notes on This Product:
z We cannot accept any request for repair.
z When using the oscillator circuit on the M37549T-RLSS, check output waveform of pin Xout and pin Xcout with an
oscilloscope.
z When mounting an oscillator circuit on the M37549T-RLSS, make sure not to short-circuit the user system.
z For inquiries about the product or the contents of this manual, contact your local distributor.
Renesas Tools Homepage http://www.renesas.com/tools
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