CC1150-RTR1 datasheet(33/67 Pages) TI1

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Bit Sequence

FREND0.PA_POWER = 3

FREND0.PA_POWER = 7

Time

PATABLE[0]

PATABLE[1]

PATABLE[2]

PATABLE[3]

PATABLE[4]

PATABLE[5]

PATABLE[6]

PATABLE[7]

Output Power

CC1150

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SWRS037B – JANUARY 2006 – REVISED MARCH 2015

Table 5-8. Optimum PATABLE Settings for Various Output Power Levels and Frequency Bands

315 MHz

433 MHz

868 MHz

915 MHz

OUTPUT

CURRENT

POWER

SETTING

CONSUMPTION,

SETTING

CONSUMPTION,

SETTING

CONSUMPTION,

SETTING

CONSUMPTION,

[dBm]

TYP. [mA]

–30

0x12

9.9

0x03

10.8

0x03

11.2

0x03

11.1

–20

0x0E

10.4

0x0E

11.4

0x0C

11.7

0x0F

11.7

–10

0x26

12.5

0x26

13.3

0x26

13.7

0x34

13.6

–5

0x57

12.2

0x57

12.9

0x57

13.3

0x56

13.3

0x60

14.1

0x60

14.6

0x60

15.5

0x50

15.2

0x8B

15.8

0x8A

16.5

0x8A

17.4

0x89

17.4

0xCC

21.4

0xC8

0xCC

24.4

0xC8

24.6

0xC4

25.6

0xC2

26.1

0xC3

29.3

0xC0

29.3

Table 5-9. Output Power and Current Consumption for Default PATABLE Setting

315 MHz

433 MHz

868 MHz

915 MHz

DEFAULT

OUTPUT

CURRENT

OUTPUT

CURRENT

OUTPUT

CURRENT

OUTPUT

CURRENT

POWER

CONSUMPTION,

POWER

CONSUMPTION,

POWER

CONSUMPTION,

POWER

CONSUMPTION,

SETTING

[dBm]

TYP. [mA]

[dBm]

TYP. [mA]

[dBm]

TYP. [mA]

[dBm]

TYP. [mA]

0xC6

9.3

24.4

8.1

23.9

8.9

27.3

7.7

25.5

5.16.1 Shaping and PA Ramping

With ASK modulation, up to eight power settings are used for shaping. The modulator contains a counter

that counts up when transmitting a one and down when transmitting a zero. The counter counts at a rate

equal to 8 times the symbol rate. The counter saturates at FREND0.PA_POWER and 0 respectively. This

counter value is used as an index for a lookup in the power table. Thus, in order to utilize the whole table,

FREND0.PA_POWER should be 7 when ASK is active. The shaping of the ASK signal is dependent on

the configuration of the PATABLE. Figure 5-17 shows some examples of ASK shaping.

NOTE

The OOK/ASK pulse shaping feature on the CC1150 is only supported for output power

levels below –1 dBm.

Figure 5-17. Shaping of ASK Signal

5.17 General Purpose and Test Output Control Pins

The two digital output pins GDO0 and GDO1 are general control pins. Their functions are programmed by

IOCFG0.GDO0_CFG and IOCFG1.GDO1_CFG respectively. Table 5-10 shows the different signals that

can be monitored on the GDO pins. These signals can be used as an interrupt to the MCU.

GDO1 is the same pin as the SO pin on the SPI interface, thus the output programmed on this pin will

only be valid when CSn is high. The default value for GDO1 is 3-stated, which is useful when the SPI

interface is shared with other devices.

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