Zilog Z8F0411 Manual do Utilizador descarregar pdf (Página 27)

MDS General-Purpose Board Development Kit

User Manual

UM016905-1207 MDS-GP Board Features

Relay/High Drive Outputs

Figure 10 displays the two relays and six high-drive outputs included on

the MDS-GP board. By default, jumper J27 is set to route the 9 V to 12 V

DC power input to both the relays and the high-drive outputs. If 5 V DC is

used to power the MDS-GP board, then connect Pin 2 and Pin 3 on

jumper J27 to apply 5 V DC on the high-drive outputs.

The two relays installed on the board are 12 V DC types. These relays are

only supported when the 9 V to 12 V DC power supply input is used (see

Figure 10).

J26 LCD_Sel Data Control for

LCD

OFF Install this jumper to select I

control of the LCD control pins.

J28 BL LCD BackLight 1, 2 This jumper selects the LCD back

light control. Jumper pins 2, 3 for

software control of backlight.

J29 ADC_POT POT Select ON This jumper connects the

on-board potentiometer to one

ADC input.

Table 3. Miscellaneous Jumper Settings (Continued)

Jumper Symbol Name

Factory

Default Function

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 82 83

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