
193
Figure 6.7 shows the user system interface circuit of the emulator (HS7641KCI01H).
TDI
TCK
TMS
TDO
JTAG controller (EPF10K20RC208-3)
To user system
Y A
74LVT244
A Y
74LVT244
TDO
TRST
TRST
A Y
74LVT244
TCK
A Y
74LVT244
TMS
A Y
74LVT244
TDI
Y A
74LVT244
RESETP
URESET
22 Ω
3Vcc
4.7 kΩ
22 Ω
3Vcc
4.7 kΩ
3Vcc
4.7 kΩ
22 Ω
3Vcc
4.7 kΩ
22 Ω
3Vcc
4.7 kΩ
22 Ω
3Vcc
4.7 kΩ
22 Ω
3Vcc
4.7 kΩ
Y A
A Y
BRK
ACK
74LVT125
ASEBRKAK
Figure 6.7 User System Interface Circuit in the Emulator (HS7641KCI01H)
(Model Name: HS0005KCI03H)
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