CC1010-RTR1 datasheet(100/152 Pages) TI

100 / 152 page

CC1010

SWRS047

Page 100 of 152

MODEM1 (0xDA) - Modem Control Register 1

Bit

Name

R/W

Reset value

Description

Reserved, read as 0

LOCK_AVG_IN

R/W

Lock control bit of average filter

0 : Average Filter is free-running,

used for receiving zero average

data (e.g. Preamble or Manchester

encoded data)

1 : Lock average filter, used for NRZ

data

LOCK_AVG_MODE

R/W

Automatic lock of average filter

0 : Lock of Average Filter is controlled

automatically, use when zero

average data is present when the

receiver is turned on

1 : Lock of Average Filter is controlled

LOCK_AVG_IN

LOCK_AVG_STAT

Average filter status bit

0 : Average filter is free running

1 : Average filter is locked

3:2

SETTLING(1:0)

R/W

Settling time of average filter

00 : 11 baud settling time, worst case

1.2dB loss in sensitivity

01 : 22 baud settling time, worst case

0.6dB loss in sensitivity

10 : 43 baud settling time, worst case

0.3dB loss in sensitivity

11 : 86 baud settling time, worst case

0.15dB loss in sensitivity

PEAKDETECT

R/W

Peak detector and remover enable /

disable

0 : Peak detector and remover is

disabled.

1 : Peak detector and remover is

enabled

MODEM_RESET_N

R/W

Separate reset of the MODEM.

0 : The Modem is reset

1 : The Modem reset is released

MODEM2 (0xD9) - Modem Control Register 2

Bit

Name

R/W

Reset value

Description

Reserved, read as 0

6:0

PLO(6:0)

R/W

0x16

Peak Level Offset, threshold level for peak the peak

detector and remover in the demodulator, which is

activated when

MODEM1.PEAKDETECT is set. PLO

should be set as described on page 97.

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