DS2196 Dallas Semiconducotr, DS2196 Datasheet - Page 37

• Manufacturer Part Number: DS2196
• Description: T1 Dual Framer LIU
• Manufacturer: Dallas Semiconducotr

Table 6-2: Receive Data Source Mux Modes
CCR1B: COMMON CONTROL REGISTER 1 FRAMER B (Address = D7 Hex)
RDS2
TRAIM
(MSB)
SYMBOL
0
0
0
0
1
TRAIM
TDSS1
TDSS0
RSAO
ODF
PLB
FLB
–
RDS1
X
0
0
1
1
ODF
POSITION
RDS0
CCR1B.7
CCR1B.6
CCR1B.5
CCR1B.4
CCR1B.3
CCR1B.2
CCR1B.1
CCR1B.0
X
0
1
0
1
RSAO
AIS Generator
Line Interface Unit
PNRZ and PCLK
WNRZ and WCLK
WPS pin selects source
0 = source from PNRZ/PCLK pins
1 = source from WNRZ/WCLK
pins
NAME AND DESCRIPTION
Transmit RAI Mode. Only used in ESF framing mode.
0 = normal RAI
1 = RAI-CI
Output Data Format.
0 = bipolar data at TPOSOB and TNEGOB
1 = TX NRZ data at TPOSOB; TNEGOB =TFSYNCB=
TSYNCB delayed by 10 TCLKBs
Receive Signaling All 1’s.
0 = allow robbed signaling bits to appear at RSERB
1 = force all robbed signaling bits at RSERB to 1
Not Assigned. Should be set to 0 when written to.
TPOS/TNEG Data Source Select 1. Used to select the data
source for the TPOSOB & TNEGOB pins when Framer
Loopback is active. See table 6-3.
TPOS/TNEG Data Source Select 0. Used to select the data
source for the TPOSOB & TNEGOB pins when Framer
Loopback is active. See table 6-3.
Payload Loopback.
0 = loopback disabled
1 = loopback enabled
Framer Loopback.
0 = loopback disabled
1 = loopback enabled
–
Data Source
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TDSS1
TDSS0
PLB
(LSB)
FLB
DS2196