25
CHAPTER 4 SETTING CLOCK
Fig. 4-4 Using an External Clock
*: The following shows the circuit contained in the dotled line.
HCU04
IE-78000-R
Emulation probe
Target system
Oscillator
Circuit*
X1/XT1
X2/XT2
★
Remarks
:
The clock supplied by the external clock on the target system is used.
Table 4-1 shows the settings of the main system clock.
Table 4-1 Main System Clock Settings
X1 (MAIN)
IE-78044-R-EM
Clock Setting
Main System Clock Frequency
Component
for Screen
Block of IE-
X1 (USRCLK)
JP1
Debugger
78000-R-BK
Component Block
To use board
4.19 MHz
6-8 shorted
IE
mounted clock
To use user
A frequency
6-8 shorted
Create oscillation
2-3 shorted
mounted clock
other than
circuit
(F
X
x 2 side)
USER
To use external
4.19 MHz
6-8 shorted
clock
Remarks 1
:
The factory setting for the IE-78044-R-EM is for the case where "to use board mounted clock" in
the above table.
2
:
The screen debugger must be Version 2.0 or higher.
★
★
Summary of Contents for IE-78044-R-EM
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