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.
60 of 87
ROCHESTER [ Rochester Electronics ]
