Analog Devices ADV7850 Hardware Manual page 413

The HDMI Lvl INT Status 2 register consists of the following fields.
cs_data_valid_st, IO, Address 0x66[7] (Read Only)
This readback indicates the latched status of the channel status data valid interrupt signal. Once set, this bit remains high until the
interrupt is cleared via cs_data_valid_clr. This bit is only valid if enabled via the corresponding INT1 or INT2 interrupt mask bit.
Function
cs_data_valid_st
0 
1
internal_mute_st, IO, Address 0x66[6] (Read Only)
This readback indicates the latched status of Internal Mute interrupt signal. Once set, this bit remains high until the interrupt is cleared
via internal_mute_clr. This bit is only valid if enabled via the corresponding INT1 or INT2 interrupt mask bit
Function
internal_mute_st
0 
1
av_mute_st, IO, Address 0x66[5] (Read Only)
This readback indicates the latched status of the AV mute detected interrupt signal. Once set, this bit remains high until the interrupt is
cleared via av_mute_clr. This bit is only valid if enabled via the corresponding INT1 or INT2 interrupt mask bit.
Function
av_mute_st
0 
1
audio_ch_md_st, IO, Address 0x66[4] (Read Only)
This readback indicates the latched status of the audio channel mode interrupt signal. Once set, this bit remains high until the interrupt
is cleared via audio_ch_md_clr. This bit is only valid if enabled via the corresponding INT1 or INT2 interrupt mask bit.
Function
audio_ch_md_st
0 
1
hdmi_mode_st, IO, Address 0x66[3] (Read Only)
This readback indicates the latched status of the HDMI mode interrupt signal. Once set, this bit remains high until the interrupt is
cleared via hdmi_mode_clr. This bit is only valid if enabled via the corresponding INT1 or INT2 interrupt mask bit.
Function
hdmi_mode_st
0 
1
Rev. A May 2012
Description
cs_data_valid_raw not changed, interrupt not generated
cs_data_valid_raw changed, interrupt generated
Description
internal_mute_raw not changed, interrupt not generated
internal_mute_raw changed, interrupt generated
Description
av_mute_raw not changed, interrupt not generated
av_mute_raw changed, interrupt generated
Description
audio_ch_md_raw not changed, interrupt not generated
audio_....._raw changed, interrupt generated
Description
hdmi_mode_raw unchanged, interrupt not generated
(No Suggestions) changed, interrupt generated
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ADV7850