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Chapter 3 Setup and Operation
Page 3-7
3.1.4 V
ref
Selection Switch (VREFSEL)
This switch specifies the reference voltage source for the Board's analog-to-digital
converter: the in3.3-volt power supply or the user application system. (GND <
V
ref
≤
VDD)
Figure 3.7.
V
ref
Selection Switch (VREFSEL)
Setting this switch to its SYSTEM position connects the ML670100 V
ref
pin to the
in3.3-volt power supply; the USER position, to the corresponding user interface
connector pin.
Figure 3.8 shows the related circuitry.
Figure 3.8.
V
ref
Selection Switch (VREFSEL) Circuits
USER
SYSTEM
VREFSEL
VREFSEL
SYSTEM
USER
+3.3V
USER_Vref
(CNU1 pin6)
V
ref
ML670100
Содержание ML670100
Страница 16: ...Chapter 1 Read Me First Page 1 12...
Страница 79: ...Chapter 4 User Interface Page4 12...
Страница 91: ...Chapter 5 Notes on Debugging Page 5 12...
Страница 92: ...Chapter 6 Appendices...