ZIOL2201 datasheet(20/92 Pages) RENESAS

20 / 92 page

ZIOL2xxx Datasheet

April 26, 2016

Table 3.2

Driver configurations

Parameter

Config.-Register

Reg.-

Addr.

Bit-

Field

Ranges & Coding

Unit

Remarks

COM and AUX driver

output current limitation

COM_PARAM,

AUX_PARAM

4:2

0b000:

0b010:

100

0b100:

200

0b110:

250

0bxx1:

limitation off

IC in Device mode: both

drivers work independently

Combined driver output

current limitation

COM_PARAM,

AUX_PARAM

4:2

0b000:

100

0b010:

200

0b100:

400

0b110:

500

0bxx1:

limitation off

IC in Master mode: both

drivers work in parallel

Both drivers shall be set to

identical driver capability.

Slew Rate Control

COM_CTRL,

AUX_CTRL

4:3

0b00:

0b10:

0b01:

slow

control off

0b11:

fast

control off

V/µs

Limitation of maximal edge

steepness.

Limitation turned off!

Output characteristic

COM_CTRL,

AUX_CTRL

1:0

0b00:

off

0b01:

pull

0b10:

push

0b11:

push+pull

Overload time base –

COM, AUX

COM_MON_CTRL,

AUX_MON_CTRL

6:5

0b00:

0.2

0b01:

1000

0b10:

8000

0b11:

16000

µs

Defines the clock

frequency for COM/AUX

overload counters

Overload counter

compare value – COM,

AUX

COM_ASSERT_TIME,

AUX_ASSERT_TIME

7:0

Byte

If overload counter value

equals compare value an

overload will be asserted

Pull up/down enable –

COM, AUX

COM_PARAM,

AUX_PARAM

6:5

Bit 6:

pull-up

Bit 5:

pull-down

Enables resistor of typical

150kOhms

1) For a summary of all configuration registers, please refer to Table 3.7.

2) Not recommended due to chance of overheating

3.2.3.

Receiver

3.2.3.1.

General Functionality

In principle, the ZIOL2xxx IC family has two

1 identical input channels with a configurable feature set. The input

threshold levels can be set ratiometric or absolute. The absolute values are compatible with definition of Type 1

digital inputs in IEC61131-2 and conform to the IO-Link specification. The ratiometric levels

2 are proportional to

the HV power supply voltage. The ratiometric level configuration allows the input channels to function down to a

1 Note: The IC versions ZIOL22xx/21xx have only one receiver.

2 Note: Ripple on the supply voltage may have influence to the trip-point of the input stage. Another influence to be considered is that an

enabled analog input filter is reducing the ripple on the on the received signal.

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