MAX14820 Datasheet, PDF (24/29 Pages) Maxim Integrated Products – IO-Link Device Transceiver

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