Datasheet

15
LTC1343
Figure 24. Normal DTE Loop-Back
Figure 25. Normal DCE Loop-Back
APPLICATIONS INFORMATION
WUU
U
LTC1343 LTC1344
1343 F24
D1
D4
D3
D2
R1
R4
103
103
103
R3
LL
TXD
SCTE
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 1 0 1 0 1 0 0
LL
TXD
SCTE
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
DCD
DSR
CTS
LTC1343
R4
D4
D3
D2
R1
D1
R3
R2
M0
M1
M2
CTRL/CLK
DCE/DTE
LB
EC
LATCH
LTC1343LTC1344
1343 F25
R4
D4
D3
D2
R1
D1
103
103
R3
LL
TXD
SCTE
TXC
RXC
RXD
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 1 0
1 0 1 1 1 0 1 0
1 0 1 1 0
LL
TXD
SCTE
TXCTXC
RXCRXC
RXD
TMTM
RLRL
RTSRTS
DTRDTR
DCD
DSR
CTS
RIRI
RL
RTS
DTR
DCD
DSR
CTS
RI