Rainbow-electronics MAX14821 Manual do Utilizador descarregar pdf (Página 22)

�� Maxim Integrated Products 22

MAX14821

IO-Link Device Transceiver

Table 5. C/Q Driver Output State

Table 4. C/QDEn and TXEN C/Q Driver

Control

X = Don’t care.

Note: TXC and TXQ = V

X = Don’t care.

Figure 8. Equivalent C/Q Logic

C/QDEn TXEN C/Q DRIVER

0 Low Disabled

X High Enabled

1 X Enabled

TXC AND TXQ

(SEE NOTE)

Q C/Q�PP C/Q�N/P C/Q CONFIGURATION C/Q STATE

High 1 0 0 PNP, open drain On, C/Q is high

High 0 0 0 PNP, open drain Off, C/Q is high impedance

High 1 0 1 NPN, open drain Off, C/Q is high impedance

High 0 0 1 NPN, open drain On, C/Q is low

High 1 1 X Push-pull High

High 0 1 X Push-pull Low

TXQ

C/Q

TXC

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Rainbow-electronics MAX14821 Manual do Utilizador Página 22