Datasheet

DS26514 4-Port T1/E1/J1 Transceiver
19-5856; Rev 4; 5/11 274 of 305
11.3 E1 Receiver Functional Timing Diagrams
Figure 11-17. E1 Receive-Side Timing
Figure 11-18. E1 Receive-Side Boundary Timing (Elastic Store Disabled)
FRAME#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
RSYNCn
2
RSYNCn
1
RFSYNCn
NOTE 1: RSYNCn IN FRAME MODE (RIOCR.0 = 0).
NOTE 2: RSYNCn IN MULTIFRAME MODE (RIOCR.0 = 1).
NOTE 3: THIS DIAGRAM ASSUMES THE CAS MF BEGINS IN THE RAF FRAME.
CHANNEL 32
CHANNEL 1 CHANNEL 2
CHANNEL 32
CHANNEL 1 CHANNEL 2
RCLKn
RSERn
RSYNCn
RFSYNCn
RSIGn
RCHCLKn
1
RCHBLKn
1
C D A
LSB
MSB
A B
Si
1
A
Sa4
Sa5
Sa6
Sa7
Sa8
B
Note 3
NOTE 1: RCHBLKn IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 2: SHOWN IS AN RNAF FRAME BOUNDARY.
NOTE 3. RSIGn NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.