CC115LRGPR datasheet(51/74 Pages) TI2

51 / 74 page

CC115L

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SWRS105B – MAY 2011 – REVISED JUNE 2014

Table 5-32. 0x12: MDMCFG2 - Modem Configuration

Bit

Field Name

Reset

R/W

Description

R/W

Use setting from SmartRF Studio SWRC176

The modulation format of the radio signal

Setting

Modulation format

0 (000)

2-FSK

1 (001)

GFSK

2 (010)

Reserved

3 (011)

OOK

6:4

MOD_FORMAT[2:0]

0 (000)

R/W

4 (100)

4-FSK

5 (101)

Reserved

6 (110)

Reserved

7 (111)

Reserved

4-FSK modulation cannot be used together with Manchester

encoding

Enables Manchester encoding/decoding.

0 = Disable

MANCHESTER_EN

R/W

1 = Enable

Manchester encoding cannot be used when using

asynchronous serial mode or 4-FSK modulation

Number of sync bits transmitted

Setting

Sync-word qualifier mode

0 (000)

No preamble/sync

1 (001)

16-bits sync word

2:0

SYNC_MODE[2:0]

2 (010)

R/W

2 (010)

Reserved

3 (011)

32-bits sync word

4 (100) – 7

Reserved

(111)

Table 5-33. 0x13: MDMCFG1 - Modem Configuration

Bit

Field Name

Reset

R/W

Description

R/W

Use setting from SmartRF Studio SWRC176

Sets the minimum number of preamble bytes to be transmitted

Setting

Number of preamble bytes

0 (000)

1 (001)

2 (010)

6:4

NUM_PREAMBLE[2:0]

2 (010)

R/W

3 (011)

4 (100)

5 (101)

6 (110)

7 (111)

3:2

Not used

1:0

CHANSPC_E[1:0]

2 (10)

R/W

2 bit exponent of channel spacing

Detailed Description

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