Datasheet

DS26521 Single T1/E1/J1 Transceiver
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10.3 E1 Receiver Functional Timing Diagrams
Figure 10-15. E1 Receive-Side Timing
Figure 10-16. E1 Receive-Side Boundary Timing (Elastic Store Disabled)
FRAME#
1
23456789101112131415161
RSYNC
1
RSYNC
RFSYNC
2
NOTE 1: RSYNC IN FRAME MODE (RIOCR.0 = 0).
NOTE 2: RSYNC 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
RCLK
RSER
RSYNC
RFSYNC
RSIG
RCHCLK
RCHBLK
1
CD A
LSB
MSB
AB
Si 1 A Sa4 Sa5 Sa6 Sa7 Sa8
B
Note 3
NOTE 1: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 2: SHOWN IS A RNAF FRAME BOUNDARY.
NOTE 3. RSIG NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.