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HDMI-FMC_User_Manual
August 6, 2019
Event pending
0 – No
1 – Yes
Event
pending
0 – No
1 – Yes
Event
pending
0 – No
1 – Yes
pending
0 – No
1 – Yes
CPI Event
pending
state
(RO)
0 – No Rx
sensed/CPI
1 –
Powered
Rx
attached/
CPI event
pending
CTRL Bus
Transaction
Event
pending
state (RO)
0 – HP Low
or
no event
pending
1 – HP High
or CTRL
event
pending
CTRL Bus
Error
indicated
0 – No
1 – Yes
0 – No
1 – Yes
0x3E
[00]
RSVD
Received
first
byte of KSV
0 – No
1 – Yes
HDMI Link
Stable
0 – No
1 – Yes
0x3F
[00]
RSVD
Interrupt
Control
Received
first
Byte of KSV
0 – Disable
1- Enable
Interrupt
Control
HDMI
Link Stable
0 – Disable
1 – Enable
Hot Plug / Connection.
The Hot Plug
state
(HTPLG signal from the DVI or HDMI sink) indicates whether a
display is attached (the EDID is readable, but the display is not necessarily powered up). The Hot Plug
event
indicates whether the state has changed.
Receiver Sense.
The Receiver Sense
state
(RxSense signal from HDCP) indicates whether a powered-up receiver is
sensed (whether the TMDS lines are being pulled externally to 3.3V). The Receiver Sense
event
indicates whether
the state has changed.
CPI Event.
Even though the CPI register set is accessed at a completely separate I2C slave address, CPI event
pending status can optionally be reflected in the TPI Interrupt Status register in place of the Receiver Sense status bit.
In this way, a single register read is adequate to check all interrupt sources at once. Setting TPI 0x3C[3] = 1 allows
Содержание HDMI-FMC
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