MT9072AB datasheet(123/275 Pages) ZARLINK

123 / 275 page

MT9072

Data Sheet

123

Zarlink Semiconductor Inc.

Bit

Name

Functional Description

15-8

not used.

7-0

RXBOM

M7-0

(0)

Receive Bit Oriented Message Match. The contents of this register are compared to the

received bit oriented message register(RXBOM) and an option maskable interrupt is generated if

the contents match the received bit oriented message. Note that in accordance to T1.403 Table

11 the codeword 7E should not be used due to similarity of DataLink idle code. The code 7E will

not be detected by the MT9072.

Table 71 - Receive Bit Oriented Message Match Register(Y08) (T1)

Bit

Name

Functional Description

15-8

not used.

7-0

RXIDC

7-0

(0)

Receive Idle Code. This is the idle code that is sent on the DSTo channels if the per timeslot

control bit MPDR is set(Y90-YA7).

Table 72 - Receive Idle Code Register(Y09) (T1)

Bit

Name

Functional Description

15-8

not used.

7-0

TXIDC

7-0

(0)

Transmit Idle Code. This is the idle code that is sent on the PCM24 channels if the per timeslot

control bit MPDT is set(Y90-YA7).

Table 73 - Transmit Idle Code Register(Y0A) (T1)

Bit

Name

Functional Description

15-10

not used.

9-5

CST(4:0)

(00000)

CST Map Channel. This is the CSTi/o channel which will be used as a source/destination to

be mapped to the PCM24 channel. The possible values are 0 to 23 for channels 0 to 23 of the

CSTi/o streams.

4-0

PCM(4:0)

(00000)

PCM Map Channel. This is the PCM24 timeslot which will be used as a source/destination to

be mapped to the CSTi/o channel. The possible values are 0 to 23 for timeslots 0 to 23 of the

PCM24 stream.

Table 74 - Common Channel Signaling Map Register(Y0B) (T1)

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