CC1000-RTR2 datasheet(45/55 Pages) TI

45 / 55 page

CC1000

SWRS048A

Page 45 of 55

MODEM0 Register (11h)

NAME

Default

value

Active

Description

MODEM0[7]

Not used

MODEM0[6:4]

BAUDRATE[2:0]

010

000 : 0.6 kBaud

001 : 1.2 kBaud

010 : 2.4 kBaud

011 : 4.8 kBaud

100 : 9.6 kBaud

101 : 19.2, 38.4 and 76.8 kBaud

110 : Not used

111 : Not used

MODEM0[3:2]

DATA_FORMAT[1:0]

00 : NRZ operation.

01 : Manchester operation

10 : Transparent Asyncronous UART operation

11 : Not used

MODEM0[1:0]

XOSC_FREQ[1:0]

Selection of XTAL frequency range

00 : 3MHz – 4MHz crystal, 3.6864MHz

recommended

Also used for 76.8 kBaud, 14.7456MHz

01 : 6MHz – 8MHz crystal, 7.3728MHz

recommended

Also used for 38.4 kBaud, 14.7456MHz

10 : 9MHz – 12MHz crystal, 11.0592 MHz

recommended

11 : 12MHz – 16MHz crystal, 14.7456MHz

recommended

MATCH Register (12h)

NAME

Default

value

Active

Description

MATCH[7:4]

RX_MATCH[3:0]

0000

Selects matching capacitor array value for

RX, step size is 0.4 pF

0001: Use for RF frequency > 500 MHz

0111: Use for RF frequency < 500 MHz

MATCH[3:0]

TX_MATCH[3:0]

0000

Selects matching capacitor array value for

TX, step size is 0.4 pF

FSCTRL Register (13h)

NAME

Default

value

Active

Description

FSCTRL[7:4]

Not used

FSCTRL[3:1]

Reserved

FSCTRL[0]

FS_RESET_N

Separate reset of frequency synthesizer

CC1000-RTR2 Datasheet(PDF) 45 Page - Texas Instruments

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