ZIOL2201 datasheet(24/91 Pages) ETC2

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ZIOL2xxx – IC Family

IO-Link compliant HV Line Driver IC Family

Data Sheet

January 31, 2012

the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to

changes without notice.

24 of 90

Figure 3.6 Typical IO-Link Device Configuration with HS driver only

Table 3.4

Sink Mode Configuration in Detail

Mode

Sink enabling

Remark

n.a.

Sink steady disabled

OFF

Device

Mode

Sink steady disabled

Master

Mode

Sink enabled if:



TX_EN/SPI_CLK = low (COM)



AUX_EN = low (AUX)

Typical application mode for the

IO-Link channel:

device: no sink

master: sink enabled contrary to

the corresponding driver enable

signal

n.a.

Sink enabled if:



TX_EN/SPI_CLK = low (COM)



AUX_EN = low (AUX)

Enabling contrary to the driver

enable signal;

sink is only enabled while the driver

is disabled. (helps to reduce the

system’s power dissipation)

n.a.

steady enabled

1) MASTER_MODE flag (configuration register MASTER_SENS_CTRL[7] is cleared (=0).

2) MASTER_MODE flag (configuration register MASTER_SENS_CTRL[7] is set (=1).

3.3.

System Control

3.3.1.

General

The system control provides device configuration, status signaling and SPI data transfer functionality.

Implemented are several register areas which contain configuration data and which provide status information. In

order to gain read/write access to these register areas, the standard serial peripheral interface (SPI) is

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