Datasheet

CC3100

www.ti.com

SWAS031D –JUNE 2013–REVISED FEBRUARY 2015

Table 3-1. Pin Attributes (continued)

PIN DEFAULT FUNCTION STATE AT RESET I/O TYPE DESCRIPTION

AND HIBERNATE

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

51 RTC_XTAL_P Hi-Z Analog 32.768 kHz XTAL_P/external CMOS level

clock input

52 RTC_XTAL_N Hi-Z Analog 32.768 kHz XTAL_N/100k external pullup for

external clock

53 NC Hi-Z N/A Unused. Leave unconnected.

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 N/A Test signal. Connect to an external test point.

59 TEST_59 N/A 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

62 TEST_62 Hi-Z O Test signal. Connect to an external test point.

63 NC Hi-Z I/O Leave unconnected

64 NC Hi-Z I/O Leave unconnected

65 GND Power Ground tab used as thermal and electrical

ground

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