NEC uPD780318 Subseries, Руководство пользователя

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CHAPTER 3 INSTALLATION
User’s Manual U16214EJ1V0UM
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(2) Clock that is mounted by user
The user is able to mount any clock supported by the set specifications on the IE-780338-NS-EM1.
(a) For main system clock
Remove the crystal oscillator (X1) that is already mounted on the emulation board, and mount either the
parts board on which the resonator to be used is mounted or an oscillator. This method is useful when
using a different frequency from that of the pre-mounted clock.
Figure 3-7. When Using User-Mounted Clock (Main System Clock)
IE-78K0-NS or IE-78K0-NS-A
IE-780338-NS-EM1
Resonator
(not used)
Target system
Emulation probe
Parts board
+ resonator
or
oscillator
Remark The clock that is supplied by the IE-780338-NS-EM1’s resonator or oscillator (encircled in the
figure) is used.
(b) For subsystem clock
Mount the resonator to be used on the parts board (X2) that is already mounted on the emulation board.
Alternatively, remove the parts board and mount an oscillator.
Figure 3-8. When Using User-Mounted Clock (Subsystem Clock)
IE-78K0-NS or IE-78K0-NS-A
Target system
Emulation probe
IE-780338-NS-EM1
Parts board
+ resonator
or
oscillator
Resonator
(not used)
Remark The clock that is supplied by the IE-780338-NS-EM1’s resonator or oscillator (encircled in the
figure) is used.