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Rainbow Electronics DS2154 User Manual

Page 20

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DS2154

031197 20/69

TCR2: TRANSMIT CONTROL REGISTER 2 (Address=13 Hex)

(MSB)

(LSB)

Sa8S

Sa7S

Sa6S

Sa5S

Sa4S

ODM

AEBE

PF

SYMBOL

POSITION

NAME AND DESCRIPTION

Sa8S

TCR2.7

Sa8 Bit Select. Set to one to source the Sa8 bit from the TLINK pin; set to
zero to not source the Sa8 bit. See Section 13 for timing details.

Sa7S

TCR2.6

Sa7 Bit Select. Set to one to source the Sa7 bit from the TLINK pin; set to
zero to not source the Sa7 bit. See Section 13 for timing details.

Sa6S

TCR2.5

Sa6 Bit Select. Set to one to source the Sa6 bit from the TLINK pin; set to
zero to not source the Sa6 bit. See Section 13 for timing details.

Sa5S

TCR2.4

Sa5 Bit Select. Set to one to source the Sa5 bit from the TLINK pin; set to
zero to not source the Sa5 bit. See Section 13 for timing details.

Sa4S

TCR2.3

Sa4 Bit Select. Set to one to source the Sa4 bit from the TLINK pin; set to
zero to not source the Sa4 bit. See Section 13 for timing details.

ODM

TCR2.2

Output Data Mode.
0=pulses at TPOSO and TNEGO are one full TCLKO period wide
1=pulses at TPOSO and TNEGO are 1/2 TCLKO period wide

AEBE

TCR2.1

Automatic E–Bit Enable.
0=E–bits not automatically set in the transmit direction
1=E–bits automatically set in the transmit direction

PF

TCR2.0

Function of RLOS/LOTC Pin.
0=Receive Loss of Sync (RLOS)
1=Loss of Transmit Clock (LOTC)

CCR1: COMMON CONTROL REGISTER 1 (Address=14 Hex)

(MSB)

(LSB)

FLB

THDB3

TG802

TCRC4

RSM

RHDB3

RG802

RCRC4

SYMBOL

POSITION

NAME AND DESCRIPTION

FLB

CCR1.7

Framer Loopback.
0=loopback disabled
1=loopback enabled

THDB3

CCR1.6

Transmit HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled

TG802

CCR1.5

Transmit G.802 Enable. See Section 13 for details.
0=do not force TCHBLK high during bit 1 of timeslot 26
1=force TCHBLK high during bit 1 of timeslot 26

TCRC4

CCR1.4

Transmit CRC4 Enable.
0=CRC4 disabled
1=CRC4 enabled

RSM

CCR1.3

Receive Signaling Mode Select.
0=CAS signaling mode
1=CCS signaling mode