Datasheet

16
LTC1343
APPLICATIONS INFORMATION
WUU
U
Figure 26. Echoed Clock, DTE Loop-Back
Figure 27. Echoed Clock, DCE Loop-Back
LTC1343 LTC1344
1343 F26
D1
D4
D3
D2
R1
R4
103Ω
103Ω
103Ω
R3
LL
TXD
TXC
RXC
RXD
TM
SERIAL
CONTROLLER
R2
M0 M1 M2 CTRL/CLK DCE/DTE LB EC LATCH M0 M1 M2 DCE/DTE LATCH
1 0 1 0 0 0 0 0 1 0 1 0 0
TXCE
TXC
RXC
RXD
LTC1343
D1
D4
D3
D2
R1
R4
R3
RL
RTS
DTR
DCD
DSR
CTS
RI
R2
M0 M1 M2 CTRL/CLK DCE/DTE LB EC LATCH
1 0 1 1 0 0 1 0
RTS
DTR
DCD
CTS
RI
LTC1343
R4
D4
D3
D2
R1
D1
R3
R2
M0 M1 M2 CTRL/CLK DCE/DTE LB EC LATCH
LTC1343LTC1344
1343 F27
R4
D4
D3
D2
R1
D1
103Ω
103Ω
R3
LL
RXD
RXC
TXC
TXD
TM
SERIAL
CONTROLLER
R2
M0 M1 M2 DCE/DTE LATCH
M0 M1 M2 CTRL/CLK DCE/DTE LB EC LATCH
1 0 1 0 1 0 0 0
1 0 1 1 1 0 1 0
1 0 1 1 0
LLLL
TXDTXD
SCTE
TXC
RXC
RXD
TMTM
RLRL
RTS
DTR
DCD
DSRDSR
CTS
RI
RL
RTS
DTR
DCD
DSR
CTS
RI