Atmel 8-bit AVR Microcontrollers AVR430: MC300 Manual de usuario Pagina 4

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AVR430
8124C-AVR-10/08
Figure 2-2. Device board connector mechanical specification and schematics.
2.3 Jumpers
Refer to component floorplan for location of jumpers.
Table 2-1. Jumpers and their functions.
Designator Use and settings
J1 (VHa)
Selects voltage source to Hall sensors (VHa)
J1 open – VHa not connected
J1 pin 2 & 3 connected – VHa = Vcc
J1 pin 1 & 2 connected – VHa = 5V (from separate regulator)
J2 (VCC)
Selects voltage from onboard regulated supply (Vcc).
J2 connected – Vcc = 3.3V
J2 open – Vcc = 5V
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