Fujitsu MB91460 SERIES Getting Started - Page 22

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5.2 Jumpers of the evaluation board SK-91460-MAIN V1.2

In this section only the jumpers, influencing the adapter board are explained. Please refer to

the user guide of the evaluation board SK-91460-MAIN V1.2 for the other jumpers and

switches.

5.2.1 Analogue Power Supply Voltage

The power supply for the ports of the adapter board is generated by the evaluation board.

The voltage is selectable between 3.6 V and 5 V.

Jumper

SL260

SL262

ST370

ST371

Default:

SL260 = open

ST370 = closed

By default, the I/O-ports are supplied by 5 V.

Note:

1) The Jumper S28 of the adapter board selects UVCC3 or MCU_VCC (UVCC5) as

power supply for the I/O-port. By default this Jumper selects MCU_VCC (UVCC5).

MCU-AN-391005-E-V17

Getting Started

Chapter 5 Jumpers and Switches

Setting

Description

closed

The microcontroller interface is powered with 3,3V

open

The microcontroller interface is powered with 5V

closed

Power supply MCU_Vcc is connected

open

Power supply MCU_Vcc is disconnected

closed

3,3V is supplied to UVCC3

open

3,3V is not supplied to UVCC3

closed

3,3V is supplied to VCC3C

open

3,3V is not supplied to VCC3C

SL262 = closed

ST371 = closed

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