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CC3120RNMARGKT Datasheet(PDF) 8 Page - Texas Instruments |
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CC3120RNMARGKT Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 57 page  8 CC3120 SWAS034 – FEBRUARY 2017 www.ti.com Submit Documentation Feedback Product Folder Links: CC3120 Terminal Configuration and Functions Copyright © 2017, Texas Instruments Incorporated Table 3-1. Pin Attributes (continued) PIN DEFAULT FUNCTION STATE AT RESET AND HIBERNATE I/O TYPE(1) DESCRIPTION 33 VDD_PA_IN Hi-Z Power Power supply for the RF power amplifier (PA) 34 SOP1 Hi-Z – Controls restore to default mode. Add 100-kΩ pulldown to ground. Factory default function. 35 SOP0 Hi-Z – Controls restore to default mode. Add 100-kΩ pulldown to ground. Factory default function. 36 LDO_IN1 Hi-Z Power Input to internal LDO 37 VIN_DCDC_ANA Hi-Z Power Power supply for the DC-DC converter for analog section 38 DCDC_ANA_SW Hi-Z Power Analog DC-DC converter switch output 39 VIN_DCDC_PA Hi-Z Power PA DC-DC converter input supply 40 DCDC_PA_SW_P Hi-Z Power PA DC-DC converter switch output +ve 41 DCDC_PA_SW_N Hi-Z Power PA DC-DC converter switch output –ve 42 DCDC_PA_OUT Hi-Z Power PA DC-DC converter output. Connect the output capacitor for DC-DC here. 43 DCDC_DIG_SW Hi-Z Power Digital DC-DC converter switch output 44 VIN_DCDC_DIG Hi-Z Power Power supply input for the digital DC-DC converter 45 DCDC_ANA2_SW_P Hi-Z Power Analog2 DC-DC converter switch output +ve 46 DCDC_ANA2_SW_N Hi-Z Power Analog2 DC-DC converter switch output –ve 47 VDD_ANA2 Hi-Z Power Analog2 power supply input 48 VDD_ANA1 Hi-Z Power Analog1 power supply input 49 VDD_RAM Hi-Z Power Power supply for the internal RAM 50 UART1_nRTS Hi-Z O UART host interface (active low) 51 RTC_XTAL_P Hi-Z Analog 32.768-kHz XTAL_P or external CMOS level clock input 52 RTC_XTAL_N Hi-Z Analog 32.768-kHz XTAL_N or 100-kΩ external pullup for external clock 54 VIN_IO2 Hi-Z Power I/O power supply. Same as battery voltage. 55 UART1_TX Hi-Z O UART host interface. Connect to test point on prototype for flash programming. 56 VDD_DIG2 Hi-Z Power Digital power supply (1.2 V) 57 UART1_RX Hi-Z I UART host interface; connect to test point on prototype for flash programming. 58 TEST_58 – Test signal; connect to an external test point. 59 TEST_59 – Test signal; connect to an external test point. 60 TEST_60 Hi-Z O Test signal; connect to an external test point. 61 UART1_nCTS Hi-Z I UART host interface (active low) 62 TEST_62 Hi-Z O Test signal; connect to an external test point. 65 GND Power Ground tab used as thermal and electrical ground |
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