32
CHAPTER 5 DIFFERENCES FROM TARGET DEVICE
(1) When chip set board is connected to emulation probe
Figure 5-1. Equivalent Circuit Diagram of Port Pin Emulation Circuit (1/3)
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.
STOP
AV
DD1
Emulation
device side
AS244
HC125
27
Ω
10 K
Ω
LV
CC
AV
SS1
AV
REF
V
DD
AV
DD2
V
SS
AV
SS2
CKIN
V
CC
V
CC
RESET
AV
DD1
NC
AV
DD2
NC
AV
REF
AV
SS1
V
DD
V
SS
AV
SS2
X1
NC
TEST/V
PP
NC
X2
NC
TX1
NC
TX2
(IC socket)
Target probe
side
NC
16 MHz
Selector
Noise filter
Clock module
Summary of Contents for IE-784915-R-EM1
Page 2: ...2 MEMO...
Page 6: ...6 MEMO...
Page 11: ...VOLUME 1 IE 784915 R EM1 I O EMULATION BOARD 11...
Page 12: ...12 MEMO...
Page 18: ...MEMO 18...
Page 24: ...MEMO 24...
Page 28: ...28 CHAPTER 3 SETTING OF USER CLOCK MEMO 28...
Page 30: ...MEMO 30...
Page 38: ...MEMO 38...
Page 40: ...MEMO 40...
Page 41: ...VOLUME 2 EP 784915GF R EMULATION PROBE 41...
Page 42: ...42 MEMO...
Page 48: ...MEMO 48...
Page 58: ...MEMO 58...
Page 64: ...MEMO 64...