Interrupt Bits - Analog Devices ADV7850 Hardware Manual

15.6.1.1 Interrupt Bits

Interrupt bits are used to notify if a specific event has occurred or is active. When an interrupt bit become active, it is set to 1 until the user
clears it by setting it to 0. The Tx interrupt bits are described here.
hpd_int, Addr B8 (Main), Address 0x96[7]
HPD interrupt status.
Function
hpd_int
0 <<
1
rx_sense_int, Addr B8 (Main), Address 0x96[6]
Rx Sense interrupt status.
Function
rx_sense_int
0 <<
1
vsync_int, Addr B8 (Main), Address 0x96[5]
VSync edge interrupt status.
Function
vsync_int
0 <<
1
hdcp_authenication_int, Addr B8 (Main), Address 0x96[1]
HDCP Authenticated interrupt error status.
Function
hdcp_authenication_int
0 <<
1
hdcp_error_int, Addr B8 (Main), Address 0x97[7]
HDCP/EDID Controller error interrupt. See the HDCP/EDID controller error register hdcp_controller_error for error
codes.
Function
hdcp_error_int
0 <<
1
Rev. A May 2012
Description
Interrupt not active.
Interrupt active. A transition for high to low or low to high has been detected on the input
HPD signal
Description
Interrupt Not Active
Interrupt Active. The TMDS clock lines voltage has crossed 1.8V from high to low or low to
high
Description
Interrupt not active
Interrupt active. A leading edge on the input VSync has been detected.
Description
Interrupt not active
Interrupt active. The HDCP/EDID state machine has transitioned from state 3 to state 4
Description
Interrupt not active
Interrupt active. The HDCP/EDID controller has reported an error. This error is available in
HDCP_CONTROLLER_ERROR
427
ADV7850