MAX14824 Datasheet, PDF (21/28 Pages) Maxim Integrated Products – IO-Link Master Transceiver

MAX14824
IO-Link Master Transceiver
Table 4. C/QDEn and TXEN C/Q Driver
Control
TXQ
TXC
C/Q
C/QDEn
TXEN
C/Q DRIVER
Q
0
Low
Disabled
X
High
Enabled
1
X
X = Don’t care.
Enabled
Figure 7. Equivalent C/Q Logic
Table 5. C/Q Driver Output State
TXC AND TXQ
(SEE NOTE)
Q
High
1
High
0
High
1
High
0
High
1
High
0
Note: TXC and TXQ = VL.
X = Don’t care.
C/Q_PP
0
0
0
0
1
1
C/Q_N/P
0
0
1
1
X
X
C/Q CONFIGURATION
PNP, open drain
PNP, open drain
NPN, open drain
NPN, open drain
Push-pull
Push-pull
C/Q STATE
On, C/Q is high
Off, C/Q is high impedance
Off, C/Q is high impedance
On, C/Q is low
High
Low
Bit
Bit Name
Read/Write
POR State
X = Unused bits.
DIOConfig Register [R1, R0] = [1,0]
D7
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
X
X
LiDis
DiLoad
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
Use the DIOConfig register to control the DI and DO interfaces. All bits in the DIOConfig register are read-write and
are set to 0 at power-up.
BIT
D7:D2
D1
D0
NAME
X
LiDis
DiLoad
DESCRIPTION
Unused
LI Output Enable/Disable. Set the LiDis bit to 1 to disable the LI output.
The LI output is low when LiDis is 1.
DI Current Sink Enable. Set the DiLoad bit to 1 to enable the internal
current sink at the DI input.
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