CC3120 Datasheet, PDF (8/57 Pages) Texas Instruments – SimpleLink Wi-Fi Wireless Network Processor Internet-of-Things Solution for MCU Applications

CC3120
SWAS034 – FEBRUARY 2017
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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
8
Terminal Configuration and Functions
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