Table 6-1. Pin Functions (continued)
PIN
TYPE CATEGORY POR STATE DESCRIPTION
NO. NAME
H8 GND Ground
Ground and no
connect pins
— Ground. Connect all balls to ground plane.
H9 No Ball Blank
Ground and no
connect pins
— Unpopulated ball for A1 marker and unpopulated inner ring.
J1 AUX_P Analog I/O
Port multiplexer
pins
Hi-Z
System-side DisplayPort connection to port multiplexer. Ground pin with
between 1-kΩ and 5-MΩ resistance when unused.
J10
VBUS Power
High-current
power pins
—
5-V output from PP_5V0. Input or output from PP_HV up to 20 V. Bypass
with capacitance CVBUS to GND.
J11
J2 AUX_N Analog I/O
Port multiplexer
pins
Hi-Z
System-side DisplayPort connection to port multiplexer. Ground pin with
between 1-kΩ and 5-MΩ resistance when unused.
J3
No Ball Blank
Ground and no
connect pins
— Unpopulated ball for A1 marker and unpopulated inner ring.
J4
J5
J6
J7
J8
J9
K1 LDO_1V8A Power
Low-current
power pins
—
Output of the 1.8-V LDO for core analog circuits. Bypass with capacitance
CLDO_1V8A to GND.
K10 RPD_G2 Analog I/O Type-C port pins Hi-Z
Tie pin to C_CC2 when configured to receive power in dead-battery or
no-power condition. Tie pin to GND otherwise.
K11 VBUS Power
High-current
power pins
—
5-V output from PP_5V0. Input or output from PP_HV up to 20 V. Bypass
with capacitance CVBUS to GND.
K2
DEBUG2
(GPIO14)
Digital I/O
Digital core I/O
and control pins
Hi-Z
General purpose digital I/O 14. Float pin if it is configured as a push-pull
output in the application. Ground pin with a 1-MΩ resistor when unused in
the application.
K3
DEBUG4
(GPIO12)
Digital I/O
Digital core I/O
and control pins
Hi-Z
General purpose digital I/O 12. Float pin if it is configured as a push-pull
output in the application. Ground pin with a 1-MΩ resistor when unused in
the application.
K4 LSX_P2R
Digital
output
Port multiplexer
pins
Hi-Z
System side low speed RX to system from port. This pin is configurable to
be an output from the digital core or the crossbar multiplexer from the port.
Float pin when unused.
K5 USB_RP_N Analog I/O
Port multiplexer
pins
Hi-Z
System side USB2.0 high-speed connection to Port Multiplexer. Ground pin
with between 1-kΩ and 5-MΩ resistance when unused.
K6 C_USB_TP Analog I/O Type-C port pins Hi-Z Port-side top USB D+ connection to port multiplexer.
K7 C_USB_BP Analog I/O Type-C port pins Hi-Z Port-side bottom USB D+ connection to port multiplexer.
K8 C_SBU1 Analog I/O Type-C port pins Hi-Z Port-side Sideband Use connection of port multiplexer.
K9 RPD_G1 Analog I/O Type-C port pins Hi-Z
Tie pin to C_CC1 when configured to receive power in dead-battery or
no-power condition. Tie pin to GND otherwise.
L1 GND Ground
Ground and no
connect pins
— Ground. Connect all balls to ground plane.
L10 C_CC2 Analog I/O Type-C port pins Hi-Z
Output to Type-C CC or VCONN pin. Filter noise with capacitance CC_CC2
to GND.
L11 NC Blank
Ground and no
connect pins
— Populated ball that must remain unconnected.
L2
DEBUG1
(GPIO15)
Digital I/O
Digital core I/O
and control pins
Hi-Z
General purpose digital I/O 15. Float pin if it is configured as a push-pull
output in the application. Ground pin with a 1-MΩ resistor when unused in
the application.
L3
DEBUG3
(GPIO13)
Digital I/O
Digital core I/O
and control pins
Hi-Z
General purpose digital I/O 13. Float pin if it is configured as a push-pull
output in the application. Ground pin with a 1-MΩ resistor when unused in
the application.
L4 LSX_R2P Digital input
Port multiplexer
pins
Digital input
System side low speed TX from system to port. This pin is configurable
to be an input to the digital core or the crossbar multiplexer to the port.
Ground pin with between 1-kΩ and 5-MΩ resistance when unused.
L5 USB_RP_P Analog I/O
Port multiplexer
pins
Hi-Z
System side USB2.0 high-speed connection to Port Multiplexer. Ground pin
with between 1-kΩ and 5-MΩ resistance when unused.
L6 C_USB_TN Analog I/O Type-C port pins Hi-Z Port-side top USB D– connection to port multiplexer.
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TPS65982
SLVSD02E – MARCH 2015 – REVISED AUGUST 2021
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