Technical information

6
(3) AVcc, AVss, and AN7 to AN0
Emulator User system
AVcc, AN7 to AN0
Vss AVss
Figure 5 User System Interface Circuit for AVcc, AVss, and AN7 to AN0
(4) PVcc, Vcc and Vss
Emulator
User system
To internal circuit
of user system
interface cable
Vss UVss
UVcc
PVcc
5Vcc
OR circuit
Detects Vcc drop
when the PVcc is
4.1 V or less
Detects Vcc drop
when the UVcc is
2.5 V or less
Figure 6 User System Interface Circuit for Vcc and Vss
(5) Other digital signals
Emulator User system
QS3384
UVcc
Vcc
Figure 7 User System Interface Circuit for Other Digital Signals