SP1ML datasheet(18/27 Pages) STMICROELECTRONICS

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Module operation

SP1ML

18/27

DocID026906 Rev 4

Table 10. Configuration registers

Name

Description

S00

BAUD_RATE

General: Baud rate of the UART interface in bps. The baud rate is

stored when the configuration is stored.

Values:

Most standard baud rates from 9600 to 921600.

Default: 115200

S01

FREQUENCY

Radio: Frequency in Hz.

Values:

Must be within the operating frequency range of the module.

Default:

868000000 (for SP1ML-868)

915000000 (for SP1ML-915)

S02

DATA_RATE

Radio: Data rate in bps. The data rate for OOK and ASK modulation

schemes is limited to 250000bps.

Values:

From 1000 to 500000

Default: 38400

S03

MODULATION

Radio: Modulation scheme.

Values:

0 = 2-FSK

1 = GFSK05

2 = GFSK1

3 = GMSK

4 = OOK

5 = ASK

Default: 0

S04

OUTPUT_POWER

Radio: Output power in dBm.

Values: -34 to +11.6

Default: +11.6

S05

FREQ_DEVIATION

Radio: Frequency deviation in kHz.

Values: Up to 732

Default: 20

S06

RX_FILTER

Radio: RX digital filter cutoff frequency in kHz.

Values: Up to 769

Default: 100

S07

CS_MODE

Radio: Carrier sense mode.

Values:

0 = Static sensing

1 = Dynamic sensing with 6 dB dynamic threshold

2 = Dynamic sensing with 12 dB dynamic threshold

3 = Dynamic sensing with 18 dB dynamic threshold

Default: 0

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