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Rainbow Electronics DS26519 User Manual

Page 281

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DS26519 16-Port T1/E1/J1 Transceiver

281 of 310

Figure 11-22. E1 Receive-Side Interleave Bus Operation—FRAME Mode






























FR1 CH1-32

FR0 CH1-32

FR1 CH1-32

FR2 CH1-32

FR3 CH1-32

FR0 CH1-32

FR1 CH1-32 FR2 CH1-32 FR3 CH1-32 FR0 CH1-32 FR1 CH1-32 FR2 CH1-32

FR3 CH1-32

FR0 CH1-32

FR1 CH1-32

RSERn

LSB

RSYSCLKn

RSYNCn

3

FRAMER 3, CHANNEL 32

MSB

LSB

FRAMER 0, CHANNEL 1

RSIGn

FRAMER 3, CHANNEL 32

FRAMER 0, CHANNEL 1

MSB

LSB

FRAMER 0, CHANNEL 2

FRAMER 0, CHANNEL 2

RSERn

1

RSYNCn

RSIGn

1

RSERn

2

RSIGn

2

BIT DETAIL

A

B

C/A

D/B

A

B

C/A D/B

A

B

C/A

D/B

FR1 CH1-32

FR0 CH1-32

FR1 CH1-32

FR0 CH1-32

FR1 CH1-32

FR2 CH1-32

FR3 CH1-32

FR0 CH1-32

FR1 CH1-32 FR2 CH1-32 FR3 CH1-32 FR0 CH1-32 FR1 CH1-32 FR2 CH1-32

FR3 CH1-32

NOTE 1: 4.096MHz BUS CONFIGURATION.
NOTE 2: 8.192MHz BUS CONFIGURATION.
NOTE 3: RSYNC IS IN THE INPUT MODE (RIOCR.2 = 0).
NOTE 4: THOUGH NOT SHOWN, RCHCLK CONTINUES TO MARK THE CHANNEL LSB FOR THE FRAMER'S ACTIVE PERIOD.
NOTE 5: THOUGH NOT SHOWN, RCHBLK CONTINUES TO MARK THE BLOCKED CHANNELS FOR THE FRAMER’S ACTIVE PERIOD.

Figure 11-23. E1 Receive-Side RCHCLKn Gapped Mode During Channel 1

RCLKn

RSYNCn

RCHCLKn

RSERn

LSB

F

F

F

F

F

F

F

F

MSB