DS2155 datasheet(99/262 Pages) DALLAS

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DS2156

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15.2.2

Software Signaling Insertion-Enable Registers, E1 CAS Mode

In E1 CAS mode, the CAS signaling alignment/alarm byte can be sourced from the transmit signaling

registers along with the signaling data.

SSIE1

Software Signaling Insertion Enable 1

08h

Bit #

Name

CH7

CH6

CH5

CH4

CH3

CH2

CH1

UCAW

Default

Bit 0/Upper CAS Align/Alarm Word (UCAW). Selects the upper CAS align/alarm pattern (0000) to be sourced

from the upper 4 bits of the TS1 register.

0 = do not source the upper CAS align/alarm pattern from the TS1 register

1 = source the upper CAS align/alarm pattern from the TS1 register

Bits 1 to 7/Software Signaling-Insertion Enable for Channels 1 to 7 (CH1 to CH7). These bits determine

which channels are to have signaling inserted from the transmit signaling registers.

0 = do not source signaling data from the TSx registers for this channel

1 = source signaling data from the TSx registers for this channel

SSIE2

Software Signaling Insertion Enable 2

09h

Bit #

Name

CH15

CH14

CH13

CH12

CH11

CH10

CH9

CH8

Default

Bits 0 to 7/Software Signaling Insertion Enable for Channels 8 to 15 (CH8 to CH15). These bits determine

which channels are to have signaling inserted from the transmit signaling registers.

0 = do not source signaling data from the TSx registers for this channel

1 = source signaling data from the TSx registers for this channel

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