CC3220
SWAS035A –SEPTEMBER 2016–REVISED FEBRUARY 2017
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Table 3-1. Pin Attributes and Pin Multiplexing (continued)
GENERAL PIN ATTRIBUTES
Select as
FUNCTION
PAD STATES
Dig.
Pin
Mux
Config.
Addl.
Analog
Mux
Muxed
With
JTAG
Pkg.
Pin
Dig. Pin Mux
Signal
Description
Signal
Direction
Pin Alias
Use
Wakeup
Source
Signal Name
LPDS(1)
Hib(2)
nRESET = 0
Config. Reg. Config.
Mode
Value
Hi-Z,
Pull,
Drive
0
GPIO25
GT_PWM02
McAFSX
TCXO_EN
SOP2
GPIO
O
O
O
O
I
Hi-Z,
Pull,
Drive
Pulse-width
modulated O/P
9
GPIO_PAD_
CONFIG_ 25
(0x4402 E104)
Hi-Z,
Pull,
Drive
I2S audio port
frame sync
Driven
Low
21(4)
SOP2
O only
No
No
No
2
Hi-Z
Enable to optional
external 40-MHz
TCXO
See (5)
See (6)
Zero
Hi-Z,
Pull,
Sense-on-power 2
Drive
40-MHz XTAL
Pulldown if
external TCXO is
used.
WLAN_
XTAL_N
WLAN
analog
22
N/A
N/A
N/A
N/A
See (5)
WLAN_XTAL_N
N/A
N/A
N/A
N/A
WLAN_
XTAL_P
WLAN
analog
40-MHz XTAL or
TCXO clock input
23
24
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WLAN_XTAL_P
VDD_PLL
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Internal
power
Internal analog
voltage
VDD_PLL
Analog RF supply
from analog DC-
DC output
Internal
power
25
LDO_IN2
N/A
N/A
N/A
N/A
N/A
LDO_IN2
N/A
N/A
N/A
N/A
WLAN
analog
26
27
28
NC
NC
NC
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
NC
NC
NC
Reserved
Reserved
Reserved
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WLAN
analog
WLAN
analog
User
config not
GPIO_PAD_
CONFIG_26
(0x4402 E108)
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Antenna selection
control
29(7)
ANTSEL1
O only
No
No
0
ANTSEL1(3)
O
Hi-Z
required
(8)
14
Terminal Configuration and Functions
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