LTC1400
U
TYPICAL APPLICATIO S
Hardware Interface to TMS320C50’s TDM Serial Port (Frame Sync is Generated from TFSX)
TMS320C50
5V
TCLKX
TCLKR
TFSX
1
2
6
7
V
A
CLK
CC
IN
UNIPOLAR
INPUT
+
CONV
LTC1400
TFSR
0.1µF
10µF
5
3
TDR
V
V
D
REF
OUT
+
GND
4
SS
8
0.1µF
10µF
1400 TA04a
Logic Analyzer Waveforms Show 3.2μs Throughput Rate (Input Voltage = 3.046V, Output Code = 1011 1110 0110 = 3046 )
10
Data from LTC1400 Loaded into TMS320C50’s TRCV Register
X
D10 D9
D7 D6 D5 D4 D3
D2
D1 D0
X
X
RDY D11
D8
1400 TA05c
Data Stored in TMS320C50’s Memory (in Right Justified Format)
0
RDY D11
D10
D9 D8 D7 D6 D5
D4
D3 D2 D1
D0
0
0
1400 TA05d
1400fa
14
Linear [ Linear ]
