CC1150-RTY1 datasheet(49/67 Pages) TI

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CC1150

SWRS037A

Page 49 of 60

0x12: MDMCFG2 – Modulator configuration

Bit

Field Name

Reset

R/W

Description

Reserved

Defined on the transceiver version (

CC1101).

6:4

MOD_FORMAT[2:0]

R/W

The modulation format of the radio signal

Setting

Modulation format

0 (000)

2-FSK

1 (001)

GFSK

2 (010)

3 (011)

ASK/OOK

4 (100)

5 (101)

6 (110)

7 (111)

MSK

The OOK/ASK pulse shaping feature is only supported for

output powers up to -1 dBm.

MSK is only supported for data rates above 26 kBaud.

MANCHESTER_EN

R/W

Enables Manchester encoding/decoding.

0 = Disable

1 = Enable

2:0

SYNC_MODE[2:0]

R/W

Combined sync-word qualifier mode.

The values 0 (000) and 4 (100) disables preamble and sync

word transmission. The values 1 (001), 2 (001), 5 (101) and 6

(110) enables 16-bit sync word transmission. The values 3

(011) and 7 (111) enables repeated sync word transmission.

The table below lists the meaning of each mode (for

compatibility with the

CC1101 transceiver):

Setting

Sync-word qualifier mode

0 (000)

No preamble/sync word

1 (001)

15/16 sync word bits detected

2 (010)

16/16 sync word bits detected

3 (011)

30/32 sync word bits detected

4 (100)

No preamble/sync, carrier-sense

above threshold

5 (101)

15/16 + carrier-sense above threshold

6 (110)

16/16 + carrier-sense above threshold

7 (111)

30/32 + carrier-sense above threshold

CC1150-RTY1 Datasheet(PDF) 49 Page - Texas Instruments

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