Maxim Integrated DS33R11 - Manual (Page 306)

DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
306 of 344
Figure 12-16. Transmit-Side ESF Timing
1 2 3 4 5 6 7 8 9 10 11 12
1
2
3
TSSYNC
FRAME#
TSYNC
TSYNC
TSYNC
13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5
NOTE 1: TSYNC IN FRAME MODE (TR.IOCR1.2 = 0) AND DOUBLE-WIDE FRAME SYNC IS NOT ENABLED (TR.IOCR1.3 = 0).
NOTE 2: TSYNC IN FRAME MODE (TR.IOCR1.2 = 0) AND DOUBLE-WIDE FRAME SYNC IS ENABLED (TR.IOCR1.3 = 1).
NOTE 3: TSYNC IN MULTIFRAME MODE (TR.IOCR1.2 = 1).
Figure 12-17. Transmit-Side Boundary Timing (with Elastic Store Disabled)
LSB F MSB LSB MSB LSB MSB
CHANNEL 1 CHANNEL 2
CHANNEL 1 CHANNEL 2
A B C/A D/B A B C/A D/B
TCLKT
TSERI
TSYNC
TSYNC
TSIG
TCHCLK
TCHBLK
D/B
1
2
3
NOTE 1: TSYNC IS IN THE OUTPUT MODE (TR.IOCR1.1 = 1).
NOTE 2: TSYNC IS IN THE INPUT MODE (TR.IOCR1.1 = 0).
NOTE 3: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 2.