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CC1100-RTR1 데이터시트(PDF) 42 Page - Texas Instruments |
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CC1100-RTR1 데이터시트(HTML) 42 Page - Texas Instruments |
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42 / 100 page ![]() CC1100 SWRS038D Page 42 of 92 19 Radio Control TX 19,20 RX 13,14,15 IDLE 1 CALIBRATE 8 MANCAL 3,4,5 SETTLING 9,10,11 RX_OVERFLOW 17 TX_UNDERFLOW 22 RXTX_SETTLING 21 FSTXON 18 SFSTXON FS_AUTOCAL = 00 | 10 | 11 & SRX | STX | SFSTXON | WOR SRX | WOR STX STX TXFIFO_UNDERFLOW STX | RXOFF_MODE = 10 RXOFF_MODE = 00 & FS_AUTOCAL = 10 | 11 SFTX SRX | TXOFF_MODE = 11 SIDLE SCAL CAL_COMPLETE FS_AUTOCAL = 01 & SRX | STX | SFSTXON | WOR RXFIFO_OVERFLOW CAL_COMPLETE SFRX CALIBRATE 12 IDLE 1 TXOFF_MODE = 00 & FS_AUTOCAL = 10 | 11 RXOFF_MODE = 00 & FS_AUTOCAL = 00 | 01 TXOFF_MODE = 00 & FS_AUTOCAL = 00 | 01 TXOFF_MODE = 10 RXOFF_MODE = 11 SFSTXON | RXOFF_MODE = 01 TXRX_SETTLING 16 SRX | STX | SFSTXON | WOR SLEEP 0 SPWD | SWOR XOFF 2 SXOFF CSn = 0 CSn = 0 | WOR ( STX | SFSTXON ) & CCA | RXOFF_MODE = 01 | 10 TXOFF_MODE=01 FS_WAKEUP 6,7 SRX Figure 16: Complete Radio Control State Diagram CC1100 has a built-in state machine that is used to switch between different operational states (modes). The change of state is done either by using command strobes or by internal events such as TX FIFO underflow. A simplified state diagram, together with typical usage and current consumption, is shown in Figure 5 on page 23. The complete radio control state diagram is shown in Figure 16. The numbers refer to the state number readable in the MARCSTATE status register. This register is primarily for test purposes. 19.1 Power-On Start-Up Sequence When the power supply is turned on, the system must be reset. This is achieved by one of the two sequences described below, i.e. automatic power-on reset (POR) or manual reset. After the automatic power-on reset or manual reset it is also recommended to change the signal that is output on the GDO0 pin. The default setting is to output a clock signal with a frequency of CLK_XOSC/192, but to optimize |
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