Atmel 8-bit AVR Microcontrollers AVR430: MC300 Manual do Utilizador descarregar pdf (Página 4)

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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Atmel 8-bit AVR Microcontrollers AVR430: MC300 Manual do Utilizador Página 4