Texas Instruments TPS65982 User Manual

Enter DP
Alternate
Mode
S0: HPD Low
Wait State
Firmware enables
HPD RX
Start HPD Timer
HPD GPIO
is High
S1: HPD High
Debounce State
HPD GPIO
is low
HPD GPIO goes
low before Timer
reaches High_Debounce
Generate
HPD_High
interrupt,
Stop HPD Timer
Timer passes
High_Debounce
S2: HPD High
Wait State
HPD GPIO
is high
Start HPD Timer
HPD GPIO
is low
S3: HPD Low
Debounce State
HPD GPIO goes
high before Timer
reaches Low_Debounce
S4: HPD IRQ
Detect State
Timer passes
Low_Debounce
Generate
HPD_IRQ
Interrupt
HPD GPIO goes
high before Timer
reaches IRQ_Limit
Generate
HPD_LOW
Interrupt,
Stop HPD Timer
Timer Passes
IRQ_Limit
Figure 9-42. HPD RX Flow
TPS65982
SLVSD02E – MARCH 2015 – REVISED AUGUST 2021
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Texas Instruments TPS65982 Specifications

General

Brand	Texas Instruments
Model	TPS65982
Category	Motherboard
Language	English