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Rainbow Electronics DS2153Q User Manual

Page 9

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DS2153Q

022697 9/48

RCR2: RECEIVE CONTROL REGISTER 2 (Address=11 Hex)

(MSB)

(LSB)

Sa8S

Sa7S

Sa6S

Sa5S

Sa4S

RSCLKM

RESE

SYMBOL

POSITION

NAME AND DESCRIPTION

Sa8S

RCR2.7

Sa8 Bit Select. Set to one to report the Sa8 bit at the RLINK pin; set to zero
to not report the Sa8 bit.

Sa7S

RCR2.6

Sa7 Bit Select. Set to one to report the Sa7 bit at the RLINK pin; set to zero
to not report the Sa7 bit.

Sa6S

RCR2.5

Sa6 Bit Select. Set to one to report the Sa6 bit at the RLINK pin; set to zero
to not report the Sa6 bit.

Sa5S

RCR2.4

Sa5 Bit Select. Set to one to report the Sa5 bit at the RLINK pin; set to zero
to not report the Sa5 bit.

Sa4S

RCR2.3

Sa4 Bit Select. Set to one to report the Sa4 bit at the RLINK pin; set to zero
to not report the Sa4 bit.

RSCLKM

RCR2.2

Receive Side SYSCLK Mode Select.
0=if SYSCLK is 1.544 MHz
1=if SYSCLK is 2.048 MHz

RESE

RCR2.1

Receive Side Elastic Store Enable.
0=elastic store is bypassed
1=elastic store is enabled

RCR2.0

Not Assigned. Should be set to zero when written.

TCR1: TRANSMIT CONTROL REGISTER 1 (Address=12 Hex)

(MSB)

(LSB)

TFPT

T16S

TUA1

TSiS

TSA1

TSM

TSIO

SYMBOL

POSITION

NAME AND DESCRIPTION

TCR1.7

Not Assigned. Should be set to zero when written to.

TFPT

TCR1.6

Transmit Timeslot 0 Pass Through.
0=FAS bits/Sa bits/Remote Alarm sourced internally from the TAF and
TNAF registers
1=FAS bits/Sa bits/Remote Alarm sourced from TSER

T16S

TCR1.5

Transmit Timeslot 16 Data Select.
0=sample timeslot 16 at TSER pin
1=source timeslot 16 from TS1 to TS16 registers

TUA1

TCR1.4

Transmit Unframed All Ones.
0=transmit data normally
1=transmit an unframed all one’s code at TPOS and TNEG

TSiS

TCR1.3

Transmit International Bit Select.
0=sample Si bits at TSER pin
1=source Si bits from TAF and TNAF registers (in this mode, TCR1.6 must
be set to 0)