MT9173/74
Preliminary Information
Bits
Bit 7
1
Bit 6
1
Bit 5
1
Bit 4
0
Bit 3
0
Bit 2
1
Bit 1
0
Bit 0
0
Data
NRZ Data
Differential
Encoded
Differential
Encoded
Biphase
Transmit
Line Signal
V
Bias
Note: Last bit sent was a logic 0
Figure 10 - Data & Line Encoding
F0
B1
SYNC
D
B1
B1
B1
B1
B1
B1
B1
B1
7
SYNC
L
7
0
0
1
2
3
4
5
6
OUT
Figure 11 - Frame Format - 80 kbit/s (Modes 0, 2, 3, 4, 6)
F0
SYNC HK0
D
D
B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 SYNC
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
1
0
L
OUT
Figure 12 - Frame Format - 160 kbit/s (Modes 0, 2, 3, 4, 6)
9-150