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CC400-RTR2 数据表(PDF) 8 Page - Texas Instruments |
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CC400-RTR2 数据表(HTML) 8 Page - Texas Instruments |
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8 / 31 page  CC400 SWRS050 Page 8 of 32 10. Pin Assignment Pin no. Pin name Pin type Description 1 AVDD Power (A) Power supply (3V) for analog modules (Mixer, IF, demodulator) 2 AGND Ground (A) Ground connection (0V) for analog modules (substrate) 3 AGND Ground (A) Ground connection (0V) for analog modules (Mixer, IF, demodulator) 4 AGND Ground (A) Ground connection (0V) for analog modules (LNA and PA) 5 RF_IN RF Input RF signal input from antenna (external ac-coupling) 6 RF_OUT RF output RF signal output to antenna (external bias) 7 AVDD Power (A) Power supply (3V) for analog modules (LNA and PA) 8 AVDD Power (A) Power supply (3V) for analog modules (VCO) 9 VCO_IN Analog input External VCO-tank input 10 AGND Ground (A) Ground connection (0V) for analog modules (VCO) 11 AGND Ground (A) Ground connection (0V) for analog modules (Prescaler) 12 CHP_OUT Analog output Charge pump current output 13 AVDD Power (A) Power supply (3V) for analog modules (Prescaler) 14 AVDD Power (A) Power supply (3V) for analog modules (XOSC) 15 XOSC_Q1 Analog input Crystal, pin 1, or external clock input 16 XOSC_Q2 Analog output Crystal, pin 2 17 AGND Ground (A) Ground connection (0V) for analog modules (XOSC) 18 DGND Ground (D) Ground connection (0V) for digital modules (substrate) 19 LOCK Digital output PLL Lock Indicator. Output is high when PLL is in lock. Please refer to chapter “PLL Lock Indicator” on page 16 for a further description. 20 DGND Ground (D) Ground connection (0V) for digital modules (Digital) 21 DVDD Power (D) Power supply (3V) for digital modules (Digital) 22 DVDD Power (D) Power supply (3V) for digital modules (Guard) 23 DIO Digital input/output (bi- directional) Data input in transmit mode Demodulator output in receive mode 24 CLOCK Digital input Programming clock for 3-wire bus 25 PDATA Digital input Programming data for 3-wire bus 26 STROBE Digital input Programming strobe (Load) for 3-wire bus 27 IF_IN Analog input Input to IF chain (from external ceramic filter). The input impedance is 1.5 k Ω so a direct connection to an external ceramic filter is possible 28 IF_OUT Analog output Output from first amplifier in IF-chain (to external ceramic filter). The output impedance is 1.5 k Ω so a direct connection to an external ceramic filter is possible A=Analog, D=Digital Figure 1: Pin-out top view 1 14 15 AVDD AGND AGND AGND RF_IN RF_OUT AVDD AVDD VCO_IN AGND AGND AVDD CHP_OUT AVDD 2 3 4 6 5 7 8 9 11 12 13 10 28 IF_OUT IF_IN STROBE PDATA CLOCK DIO DVDD DVDD DGND LOCK DGND XOSC_Q2 AGND XOSC_Q1 27 26 25 23 24 22 21 20 18 17 16 19 |
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