TRUTH TABLE
Drivers
STBY DCON
DIN
DOUT
Remark
H
X
X
Z
Standby mode (DC-DC converter stops)
L
L
X
L
Mark level output
L
H
L
H
Space level output
L
H
H
L
Mark level output
Receivers
STBY
RIN
H
X
L
L
L
H
ROUT
Z
H
L
Remark
Stanby mode (DC-DC converter stops)
Mark level input
Space level input
Receiver input threshold voltage
RCON
L
H
RIN1
A mode
A mode
RIN2 to RIN3
A mode
B mode
H: high level, L: low level, Z: high impedance, X: H or L
µPD4715A
3