Freescale Semiconductor DEMO9S08AC60E Manual do Utilizador descarregar pdf (Página 15)

Table 1-4 Jumper Settings in EXT Power Mode

Jumper

Default

Position

Setting Description

W1 2-3 5V

Sets the board for 5V

operation

W2 1-2 EXT

Sets the board to be

wered externally

through J1

W3 1-2 P_IO_5V

Outputs 5V on pin 1 of

the I/O

connector, J35.

This jumper should be

removed if you do not

want to output 5V on

this pin.

DEMO9S08AC60E User’s Guide, Rev. 0.1

Freescale Semiconductor 15

1.9.3 I/O Connector

The DEMO9S08AC60E can also be powered through pin 1 of the I/O connector

J35. To power the board in this manner the jumper on W2 should be removed

and positive 5V DC should be applied on pin 1 of J35. This voltage input is not

regulated on the board so care should be taken to provide a clean 5V signal.

LED D1 will light green to let you know that power has been correctly applied

to the board. Jumper settings are detailed below

Table 1-5 Jumper Settings in I/O Connector Power Mode

Jumper

Default

Position

Setting Description

W1 2-3 5V

Sets the board for 5V

operation

W2 Removed

Removes USB and

EXT power options

W3 1-2 P_IO_5V

Inputs 5V on pin 1 of

the I/O

connector, J35

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 23 24

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