NEC uPD780328 Subseries - Manual (Page 39)

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