Table of Contents
Advertisement
(1) When chip set board is connected to emulation probe
Figure 5-1. Equivalent Circuit Diagram of Port Pin Emulation Circuit (1/3)
Emulation
device side
STOP
AV
DD1
AV
SS1
AV
REF
V
DD
AV
DD2
V
SS
AV
SS2
CKIN
Caution If an external clock is selected in the configuration setting of the ID78K4, the clock frequency of
the crystal oscillator mounted on the IC socket is selected.
32
CHAPTER 5 DIFFERENCES FROM TARGET DEVICE
AS244 HC125
V
CC
V
CC
Target probe
side
LV
CC
27Ω
10 KΩ
RESET
AV
NC
AV
AV
NC
AV
Noise filter
V
V
AV
NC
TEST/V
16 MHz
NC
X1
NC
X2
NC
TX1
NC
TX2
Clock module
(IC socket)
DD1
DD2
SS1
REF
DD
SS
SS2
PP
Advertisement
Table of Contents
