MT9076AB Просмотр технического описания (PDF) - Mitel Networks

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производитель

MT9076AB

T1/E1/J1 3.3V Single Chip Transceiver

Mitel Networks 

Preliminary Information

MT9076

23.0 Transmit National Bit Buffer (Page 0EH)

Page 0EH, address 10H to 14H contain the five bytes of the transmit national bit buffer (TNBB0 - TNBB4

respectively). This feature is functional only when control bit NBTB (page 01H, address 17H) is one.

Bit

Name

Functional Description

7-0

TNBBn.F1

-

TNBBn.F15

Transmit San+4 Bits Frames 1 to 15. This byte contains the bits transmitted in bit position

n+4 of channel zero of frames 1, 3, 5, 7, 9, 11, 13 and 15 when CRC-4 multiframe

alignment is used, or of consecutive odd frames when CRC-4 multiframe alignment is not

used. n = 0 to 4 inclusive and corresponds to a byte of the receive national bit buffer.

Table 174 - Transmit National Bit Buffer Bytes Zero to Four (Page 0EH)

24.0 Receive National Bit Buffer (Page 0FH)

Page 0FH, addresses 10H to 14H contain the five bytes of the receive national bit buffer (RNBB0 - RNBB4

respectively).

Bit

Name

Functional Description

7-0

RNBBn.F1 Receive San+4 Bits Frames 1 to 15. This byte contains the bits received in bit position

-

n+4 of channel zero of frames 1, 3, 5, 7, 9, 11, 13 and 15 when CRC-4 multiframe

RNBBn.F15 alignment is used, or of consecutive odd frames when CRC-4 multiframe alignment is

not used. n = 0 to 4 inclusive and corresponds to a byte of the receive national bit

buffer.

Table 175 - Receive National Bit Buffer Bytes Zero to Four (Page 0FH)

137

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