Texas Instruments CC3120MOD, Manual

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MODULE PIN
TYPE
(1)
CC3220 DEVICE
PIN NO.
MODULE PIN DESCRIPTION
NO. NAME
37 VBAT1 Power 39
Power supply for the module, must be connected to battery (2.3
V to 3.6 V)
38 GND – – Ground
40 VBAT2 Power 10, 44, 54
Power supply for the module, must be connected to battery (2.3
V to 3.6 V)
42 GPIO30 I/O 53 GPIO
(2)
43 GND – – Ground
44 GPIO0 I/O 50 GPIO
(2)
46 GPIO1 I/O 55 GPIO
(2)
47 GPIO2 I/O 57 GPIO
(2)
48 GPIO3 I/O 58 GPIO
(2)
49 GPIO4 I/O 59 GPIO
(2)
50 GPIO5 I/O 60 GPIO
(2)
51 GPIO6 I/O 61 GPIO
(2)
52 GPIO7 I/O 62 GPIO
(2)
53 GPIO8 I/O 63 GPIO
(2)
54 GPIO9 I/O 64 GPIO
(2)
55 GND – – Thermal ground
56 GND – – Thermal ground
57 GND – – Thermal ground
58 GND – – Thermal ground
59 GND – – Thermal ground
60 GND – – Thermal ground
61 GND – – Thermal ground
62 GND – – Thermal ground
63 GND – – Thermal ground
(1) I = input; O = output; I/O = bidirectional
(2) For pin multiplexing details, see Table 7-3 .
7.3 Connections for Unused Pins
All unused pins must be left as no connect (NC) pins. Table 7-1 and Table 7-2 list the NC pins on the
CC3220MODx and CC3220MODAx modules, respectively.
Table 7-1. Connections for Unused Pins
PIN
DEFAULT
FUNCTION
STATE AT RESET AND
HIBERNATE
I/O TYPE DESCRIPTION
20 NC WLAN analog – Reserved. Do not connect.
29 NC WLAN analog – Reserved. Do not connect.
33 NC WLAN analog – Reserved. Do not connect.
39 NC WLAN analog – Reserved. Do not connect.
41 NC WLAN analog – Reserved. Do not connect.
45 NC WLAN analog – Reserved. Do not connect.
CC3220MOD, CC3220MODA
SWRS206E – MARCH 2017 – REVISED MAY 2021
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