CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS
User’s Manual U13390EJ2V0UM
34
Figure 4-1. Equivalent Circuit 1 of Emulation Circuit
P00 to P07
Probe side
P10 to P17
P20 to P27
P40 to P47
USBDP
USBDM
REGC
RESET
X1
RESET
X1
LV
CC
HC4066
HC157
PD789009
V
CC
X1
1 M
Ω
Level
shifter
IE-789801-NS-EM1 side
(Emulation device)
4.7 k
Ω
4.7 k
Ω
µ
Figure 4-2. Equivalent Circuit 2 of Emulation Circuit
IE-789801-NS-EM1 side
(Emulation device)
X2
Probe side
IC/V
PP
OPEN
OPEN
V
SS
(TM1 GND)
Power detection
G6H-2F (Relay)
100
Ω
1 M
Ω
PC393
V
DD
(TM1 Low Volt)
Filter
22 F
µ
µ