CHAPTER 9 TARGET SYSTEM INTERFACE CIRCUITS
User’s Manual U15260EJ3V1UM
103
9.3
SI/RxD, HS
The SI/RxD input signal must not exceed TTL-level voltage.
Figure 9-3. SI/RxD and HS Pins
PG-FP4
74LV125
74LV125
V
DD2
V
DD
Signal
33
Ω
100 k
Ω
Target System
9.4
CLK
Figure 9-4. CLK Pin
74LV125
74LV125
V
DD2
V
DD
Signal
150
Ω
PG-FP4
Target system
150
Ω
Содержание PG-FP4
Страница 2: ...User s Manual U15260EJ3V1UM 2 MEMO ...