
Copyright © 2019, Texas Instruments Incorporated
Terminal Configuration and Functions
Product Folder Links:
20
SWRS224A – FEBRUARY 2019 – REVISED AUGUST 2019
Table 4-2. Pin Attributes and Pin Multiplexing (continued)
GENERAL PIN ATTRIBUTES
FUNCTION
PAD STATES
Pkg.
Pin
Pin Alias
Use
Select as
Wakeup
Source
Config.
Addl.
Analog
Mux
Muxed
With
JTAG
Dig. Pin Mux
Config. Reg.
Dig.
Pin
Mux
Config.
Mode
Value
Signal Name
Signal
Description
Signal
Direction
LPDS
Hib
nRESET = 0
18
JTAG_TDO
I/O
Yes
No
Muxed
with
JTAG
TDO
GPIO_PAD_
CONFIG_ 24
(0x4402 E100)
1
TDO
JTAG TDO. Reset
default pinout.
O
Hi-Z,
Pull,
Drive
Driven
high in
SWD;
driven
low in
4-wire
JTAG
Hi-Z
0
GPIO24
GPIO
I/O
5
PWM0
Pulse-width
modulated O/P
O
2
UART1_RX
UART1 RX data
I
9
I2C_SDA
I
2
C data
I/O
(open
drain)
4
GT_CCP06
Timer capture port
I
6
McAFSX
I2S audio port
frame sync
O
19
GPIO28
I/O
No
No
No
GPIO_PAD_
CONFIG_ 40
(0x4402 E140)
0
GPIO28
GPIO
I/O
Hi-Z,
Pull,
Drive
Hi-Z,
Pull,
Drive
Hi-Z
20
NC
WLAN
analog
N/A
N/A
N/A
N/A
N/A
NC
Reserved
N/A
N/A
N/A
N/A
21
JTAG_TCK
I/O
No
No
Muxed
with
JTAG/
SWD-
TCK
GPIO_PAD_
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_TMS
I/O
No
No
Muxed
with
JTAG/
SWD-
TMSC
GPIO_PAD_
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