Table 7-3. Pin Attributes and Pin Multiplexing (continued)
GENERAL PIN ATTRIBUTES
FUNCTION
PAD STATES
Pkg.
Pin
Pin
Alias
Use
Select
as
Wakeu
p
Source
Confi
g.
Addl.
Analo
g Mux
Muxed
With
JTAG
Dig. Pin
Mux
Config.
Reg.
Dig.
Pin
Mux
Confi
g.
Mode
Value
Signal Name
Signal
Description
Signa
l
Direct
ion
LPD
S
Hib
nRESET =
0
21
JTAG_T
CK
I/O
No
No
Muxed
with
JTAG/
SWD-
TCK
GPIO_PA
D_
CONFIG_
28
(0x4402
E110)
1
TCK
JTAG/SWD
TCK.
Reset default
pinout.
I
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Hi-Z
8
GT_PWM03
Pulse-width
modulated
O/P
O
22
JTAG_T
MS
I/O
No
No
Muxed
with
JTAG/
SWD-
TMSC
GPIO_PA
D_
CONFIG_
29
(0x4402
E114)
1
TMS
JTAG/SWD
TMS.
Reset default
pinout.
I/O
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Hi-Z
0
GPIO29
GPIO
23
SOP2
O only
No
No
No
GPIO_PA
D_
CONFIG_
25
(0x4402
E104)
0
GPIO25
GPIO
O
Hi-Z,
Pull,
Drive
Drive
n
Low
Hi-Z
9
GT_PWM02
Pulse-width
modulated
O/P
O
Hi-Z,
Pull,
Drive
2
McAFSX
I2S audio port
frame sync
O
Hi-Z,
Pull,
Drive
See
TCXO_EN
Enable to
optional
external 40-
MHz TCXO
O
0
See
SOP2
Sense-on-
power 2
I
Hi-Z,
Pull,
Drive
24
SOP1
Config
sense
N/A
N/A
N/A
N/A
N/A
SOP1
Sense-on-
power 1
N/A
N/A
N/A
N/A
25
ANT_SE
L1
O only
No
User
config
not
requir
ed
No
GPIO_PA
D_
CONFIG_2
6
(0x4402
E108)
0
ANTSEL1
Antenna
selection
control
O
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Hi-Z
26
ANT_SE
L2
O only
No
User
config
not
requir
ed
No
GPIO_PA
D_
CONFIG_2
7
(0x4402
E10C)
0
ANTSEL2
Antenna
selection
control
O
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Hi-Z
27
GND
GND
N/A
N/A
N/A
N/A
N/A
GND
GND
N/A
N/A
N/A
N/A
28
GND
GND
N/A
N/A
N/A
N/A
N/A
GND
GND
N/A
N/A
N/A
N/A
29
NC
WLAN
analog
N/A
N/A
N/A
N/A
N/A
NC
Reserved
N/A
N/A
N/A
N/A
30
GND
GND
N/A
N/A
N/A
N/A
N/A
GND
GND
N/A
N/A
N/A
N/A
SWRS206E – MARCH 2017 – REVISED MAY 2021
20
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