L6360 데이터 시트보기 (PDF) - STMicroelectronics

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L6360

IO-Link communication master transceiver IC

STMicroelectronics 

Figure 13. Control register 1

L6360

Internal registers

The control register holds the parameters to control the L6360.

Bit 7 = ENCGQ: C/QI pull-down enable

ENCGQ

0

1

Table 12. ENCGQ: C/Q pull-down enable

Pull-down generator status

If ENC/Q = 0

If ENC/Q = 1

Always OFF

ON

OFF

Bit 6:5 = ICOQ [1:0]: C/QO HS and LS cut-off current

This bit is used to configure the cut-off current value on the C/Q channel, as shown in the table below.

Icoq[1]

0

0

1

1

Table 13. Icoq: C/QO HS and LS cut-off current

Icoq[0]

0

1

0

1

Typ.

115 mA

220 mA

350 mA

580 mA

Bit 4:3 = tdcoq [1:0]: C/QO HS and LS cut-off current delay time

The channel output driver is turned off after a delay (tdcoq) programmable by means of these two bits.

Table 14. tdcoq: C/QO HS and LS cut-off current delay time

tdcoq[1]

0

0

1

1

tdcoq[0]

0

1

0

1

Typ.

100 µs

150 µs

200 µs

250 µs(1)

1. According to power dissipation at 2 kHz switching, C < 1 μF and power dissipation 0.7 W.

Bit 2 = trcoq: C/QO restart delay time

After a cut-off event, the channel driver automatically restarts after a delay (trcoq) programmable by means of this

bit.

DS8900 - Rev 7

page 19/63

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