Datasheet

DS21Q59 Quad E1 Transceiver
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24.2 Transmit
Figure 24-5. Transmit Frame and Multiframe Timing
Figure 24-6. Transmit Boundary Timing
12345 67891011 12
1
FRAME#
TSYNC
TSYNC
13
14 15 16
12345
14 15 16
678910
2
NOTE 1: TSYNC IN FRAME MODE (TCR.1 = 0).
NOTE 2: TSYNC IN MULTIFRAME MODE (TCR.1 = 1).
LSB MSB LSB MSB
CHANNEL 1 CHANNEL 2
TCLK
TSER
TSYNC
TSYNC
1
2
Si 1 A Sa4 Sa5 Sa6 Sa7 Sa8
NOTE 1: TSYNC IS IN THE OUTPUT MODE (TCR.0 = 1).
NOTE 2: TSYNC IS IN THE INPUT MODE (TCR.0 = 0). TSYNC MAY BE HELD HIGH FOR MULTIPLE CLOCK CYCLES AS LONG
A
S IT TRANSITIONS LOW ONE CLOCK CYCLE BEFORE TRANSITIONING HIGH AGAIN FOR THE NEXT SYNC PULSE.