DS26521 datasheet(232/258 Pages) MAXIM

Part #	DS26521

Description	Single T1/E1/J1 Transceiver

PDF	258 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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232 / 258 page

DS26521 Single T1/E1/J1 Transceiver

232 of 258

10.4

E1 Transmitter Functional Timing Diagrams

Figure 10-19. E1 Transmit-Side Timing

Figure 10-20. E1 Transmit-Side Boundary Timing (Elastic Store Disabled)

123

89 10

11 12

TSSYNC

FRAME#

TSYNC

13 14 15 16 12

14 15 16

89 10

NOTE 1: TSYNC IN FRAME MODE (TIOCR.0 = 0).

NOTE 2: TSYNC IN MULTIFRAME MODE (TIOCR.0 = 1).

NOTE 3: THIS DIAGRAM ASSUMES BOTH THE CAS MF AND THE CRC-4 MF BEGIN WITH THE TAF FRAME.

LSB

MSB

LSB MSB

CHANNEL 1

CHANNEL 2

CHANNEL 1

CHANNEL 2

ABC

TCLK

TSER

TSYNC

TSIG

TCHCLK

TCHBLK

Sa4 Sa5 Sa6 Sa7 Sa8

NOTE 1: TSYNC IN THE OUTPUT MODE (TIOCR.2 = 1).

NOTE 2: TSYNC IN THE INPUT MODE (TIOCR.2 = 0).

NOTE 3: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 2.

NOTE 4: THE SIGNALING DATA AT TSIG DURING CHANNEL 1 IS NORMALLY OVERWRITTEN IN THE TRANSMIT

FORMATTER WITH THE CAS MF ALIGNMENT NIBBLE (0000).

NOTE 5: SHOWN IS A TNAF FRAME BOUNDARY.

DS26521 Datasheet(PDF) 232 Page - Maxim Integrated Products