Datasheet

DS26521 Single T1/E1/J1 Transceiver
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Figure 10-10. T1 Transmit-Side Boundary Timing (Elastic Store Disabled)
Figure 10-11. T1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled)
LSB F MSB LSB MSB LSB MSB
CHANNEL 1 CHANNEL 2
CHANNEL 1 CHANNEL 2
A BC/AD/B A BC/AD/B
TCLK
TSER
TSYNC
TSYNC
TSIG
TCHCLK
TCHBLK
D/B
1
2
3
NOTE 1: TSYNC IS IN THE OUTPUT MODE (TIOCR.2 = 1).
NOTE 2: TSYNC IS IN THE INPUT MODE (TIOCR.2 = 0).
NOTE 3: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 2.
LSB F MSBLSB MSB
CHANNEL 1CHANNEL 24
A B C/A D/B A B C/A D/B
TSYSCLK
TSER
TSSYNC
TSIG
TCHCLK
TCHBLK
CHANNEL 23
A
CHANNEL 23 CHANNEL 24 CHANNEL 1
1
NOTE 1: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.