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CC1150-RTY1 Datasheet(PDF) 33 Page - Texas Instruments |
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CC1150-RTY1 Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 67 page  1 1 0 0 0 1 0 Bit Sequence 1 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 www.ti.com 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 CURRENT CURRENT CURRENT POWER SETTING CONSUMPTION, SETTING CONSUMPTION, SETTING CONSUMPTION, SETTING CONSUMPTION, [dBm] TYP. [mA] TYP. [mA] TYP. [mA] 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 0 0x60 14.1 0x60 14.6 0x60 15.5 0x50 15.2 3 0x8B 15.8 0x8A 16.5 0x8A 17.4 0x89 17.4 7 0xCC 21.4 0xC8 23 0xCC 24.4 0xC8 24.6 10 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 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. Copyright © 2006–2015, Texas Instruments Incorporated Detailed Description 33 Submit Documentation Feedback Product Folder Links: CC1150 |
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