Data Sheet
ADM3055E/ADM3057E
OPERATIONAL TRUTH TABLE
Table 13. Truth Table
Power
Inputs1, 2
Outputs2
Input/Output
VCC VIO TXD SILENT STBY AUXIN RS
Mode
RXD3
AUXOUT
CANH/CANL
On On Low Low
On On Low Low
On On High Low
On On High Low
Low
Low
Low
Low
Low
High
Low
High
Low/
Normal/
Low
Low
High
Low
High
Dominant4
pull-down slope mode
Low/ Normal/
pull-down slope mode
Low/ Normal/
pull-down slope mode
Low/ Normal/
pull-down slope mode
Low
Dominant4
High/per bus
High/per bus
Recessive/set by bus
Recessive/set by bus
On On
On On
On On
On On
On On
On Off
X
X
X
X
X
Z
High
High
X
X
X
Z
Low
Low
High
X
X
Z
Low
High
X
Low
High
Z
X
X
X
Listen only
Listen only
Standby
Standby5
Standby5
Normal/
High/per bus
High/per bus
Low
High
Recessive/set by bus
Recessive/set by bus
High/WUP/filtered Last state Bias to GND2/set by bus
High/WUP/filtered Low
High/WUP/filtered High
Pull-up
Pull-up
Low/
Bias to GND2/set by bus
Bias to GND2/set by bus
Recessive/set by bus
Z
Low
pull-down slope mode
Off On
Off Off
X
Z
X
Z
X
Z
X
Z
X
Z
Transceiver off High
Transceiver off
Z
Z
High impedance/set by bus
High impedance/set by bus
Z
1 X means irrelevant.
2 Z means high impedance within one diode drop of ground.
3 WUP means remote wake-up pattern.
4 Limited by tDT.
5 RS can only set the transceiver to standby mode. RS does not control the digital isolator.
Rev. A | Page 13 of 24
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