DS2154
TAF: TRANSMIT ALIGN FRAME REGISTER (Address = 20 Hex)
(MSB)
(LSB)
Si
0
0
1
1
0
1
1
(Note: Must be programmed with the 7-bit FAS word; the DS2154 does not automatically set these bits.)
SYMBOL
POSITION
NAME AND DESCRIPTION
International Bit.
Si
TAF.7
0
0
1
1
0
1
1
TAF.6
TAF.5
TAF.4
TAF.3
TAF.2
TAF.1
TAF.0
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
TNAF: TRANSMIT NON-ALIGN FRAME REGISTER (Address = 21 Hex)
(MSB)
(LSB)
Si
1
A
Sa4
Sa5
Sa6
Sa7
Sa8
(Note: Bit 2 must be programmed to 1; the DS2154 does not automatically set this bit.)
SYMBOL
POSITION
NAME AND DESCRIPTION
Si
TNAF.7
International Bit.
1
TNAF.6
TNAF.5
TNAF.4
TNAF.3
TNAF.2
TNAF.1
TNAF.0
Frame Non-Alignment Signal Bit.
A
Remote Alarm (used to transmit the alarm).
Additional Bit 4.
Sa4
Sa5
Sa6
Sa7
Sa8
Additional Bit 5.
Additional Bit 6.
Additional Bit 7.
Additional Bit 8.
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