Datasheet

MAX14820
IO-Link Device Transceiver
24Maxim Integrated
Table 6. DoAv and DoInv Operation
Note 1: Low is when V
TXC
, V
TXQ
, OR V
LO
= 0V; high is when V
TXC
, V
TXQ
, or V
LO
= V
L
.
Note 2: Low is when C/Q or DO < 8V; high is when C/Q or DO >13V.
Table 7. DO Output Programmed by DoBit
X = Don’t care.
Figure 9. Equivalent DO Logic
DoAv DoInv
TXC AND TXQ
(NOTE 1)
LO
(NOTE 1)
DO
(NOTE 2)
C/Q
(NOTE 2)
0 0 Low Low High High
0 0 Low High Low High
0 0 High Low High Low
0 0 High High Low Low
0 1 Low Low Low High
0 1 Low High High High
0 1 High Low Low Low
0 1 High High High Low
1 0 Low Low Low High
1 0 Low High Low High
1 0 High Low High Low
1 0 High High High Low
1 1 Low Low High High
1 1 Low High High High
1 1 High Low Low Low
1 1 High High Low Low
LO DoBit DoPP DoN/P DO CONFIGURATION DO STATE
High 0 1 X Push-pull Low
High 1 1 X Push-pull High
High 0 0 0 PNP Off, DO is high impedance
High 1 0 0 PNP On, DO is high
High 0 0 1 NPN On, DO is low
High 1 0 1 NPN Off, DO is high impedance
Low X X X See Table 6 See Table 6
LO
DoBit
DO
DoInv