Fujitsu MB2146-401 Betriebshandbuch - Seite 9

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4. Board setup/function

Power supply from AC adapter

Power supply from the external power supply input terminal

LED port selection

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When supplying the power supply from AC adapter, TP2 (VCC) and TP3 (VSS) of the terminal for

an external power supply input should presuppose that it is open of it. Moreover, they must not sup-

ply an external power supply.

The details in the case of supplying a power supply from the terminal of an external power supply

input (TP2-TP8) are shown in Table 3.

When you supply the power supply from the terminals TP2 (VCC) and TP3 (VSS) for an external

power supply input, please set the jumper plug (JP3/JP4) of the power supply selection of 5V/3.3V

to opening, set SW2 (AC adapter power supply switch) to OFF, separate it completely, and use AC

adapter side power supply supply.

Table 3 Terminal for external power supply input

Position

TP2

TP3

TP4

TP5

TP6

TP7

TP8

It is decided whether a light emitting diode connection change jumper plug (JP1/JP2) connects the

light emitting diode port on this board to each port of the evaluation MCU carried on the MCU board,

or it does not carry out.

When using a Light Emitting Diode port,an attached jumper plug is connected to this board. A jump-

er plug is not connected when not using a light emitting diode port.

About the switch of the state of the terminal of the evaluation MCU port corresponding to each light

emitting diode, lighting is deleted on L level. Moreover, lighting has H level given.

Correspondence of a Light Emitting Diode port is shown in Table 4.

Table 4 Correspondence of LED port

Position

JP1/JP2

JP1

JP2

VCC Power supply supply terminal

VSS Power supply supply terminal

AVCC Power supply supply terminal

AVR Power supply supply terminal

AVSS Power supply supply terminal

LVCC Power supply supply terminal

LVSS Power supply supply terminal

Evaluation MCU port Light Emitting Diode port

Terminal

1 - 2

P00C

3 - 4

P01C

5 - 6

P02C

7 - 8

P03C

9 - 10

P04C

11 - 12

P05C

13 - 14

P06C

15 - 16

P07C

1 - 2

P60

3 - 4

P61

5 - 6

P62

7 - 8

P63

9 - 10

P64

11 - 12

P65

13 - 14

P66

15 - 16

P67

Description

LED1

LED2

LED3

LED4

LED5

LED6

LED7

LED8

LED9

LED10

LED11

LED12

LED13

LED14

LED15

LED16