CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS
User’s Manual U16214EJ1V0UM
39
Figure 4-3. Equivalent Circuit of Emulation Circuit 3
IE system side
Probe side
0.1 F
Current detection
V
CC
100
Ω
3.3 k
Ω
1 M
Ω
1.5 k
Ω
Open
V
DD0
,
V
DD1
V
SS0
,
V
SS1
X2, XT2
HC4066
PD780009A
Emulation CPU
LV
CC
LV
CC
LV
CC
4.7 k
Ω
100
Ω
100
Ω
100
Ω
1SS123
1SS123
1SS123
1SS123
RESET
X1
XT1
LV
CC
4.7 k
Ω
LV
CC
4.7 k
Ω
−
+
Open
V
PP
Open
CAPH, CAPL,
V
LCDC
, V
LC2
to V
LC0
PD393G
µ
µ
µ