IE-789835-NS-EM1 Renesas Electronics America, IE-789835-NS-EM1 Datasheet - Page 36

• Manufacturer Part Number: IE-789835-NS-EM1
• Description: BD EMU 78K0S UPD789832/33/34/35
• Manufacturer: Renesas Electronics America

Specifications of IE-789835-NS-EM1

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.6 LCD Emulation
(1) LCD emulation
34
SW3 (V
SW4 (V
SW2 (V
SW5 (CAP0, CAP1)
SW6 (CAP2, CAP3)
Using the LCD emulation circuit, the VLC and CAP signals can be switched to the IE system side or target
system side through switch activation, and an external boost circuit can also be used. The circuit configuration
shown in Figure 3-18 is used on the IE system side.
Switch (Signal Name)
V
CAP0 to CAP3
Target system
IE system
LC0
LC2
LC4
V
CAP0 to CAP3
LC0
5 V
LC0
Connect to GND via a capacitor (0.1
Connect CAP0 to CAP1, CAP1 to CAP2, and
CAP2 to CAP3 with a capacitor (0.1
, V
, V
)
to V
VR1
to V
LC1
LC3
10 kΩ
4.7 kΩ
(10 kΩ)
)
)
LC4
LC4
External boost circuit
CP57 (check pin)
VLC3
SW1
ICE side (initial setting)
USR side
ICE side (initial setting)
USR side
ICE side (initial setting)
USR side
ICE side (initial setting)
USR side
ICE side (initial setting)
USR side
Figure 3-18. LCD Emulation Circuit
µ
µ
Table 3-6. LCD Switch Settings
F).
F).
CHAPTER 3
Setting
User’s Manual U16290EJ1V0UM
INSTALLATION
Connects IE system's internal circuit.
Connects to target system via emulation probe.
Connects IE system's internal circuit.
Connects to target system via emulation probe.
Connects IE system's internal circuit.
Connects to target system via emulation probe.
Connects IE system's internal circuit.
Connects to target system via emulation probe.
Connects IE system's internal circuit.
Connects to target system via emulation probe.
SW3
SW4
SW2
SW5
SW6
Description
ZD
V
V
V
V
V
CAP0
CAP1
CAP2
CAP3
LC0
LC1
LC2
LC3
LC4
I/O EVA chip