Figure 4: Using +5 V From Hdmi Source To Provide Supplies In Power-Down Mode 0 - Analog Devices Advantiv ADV7604 Hardware Manual

Power-down Pins Configuration
The configuration shown in
availability.
The configuration shown in
down mode 0 by setting the PWRDNB pin low and no requirement for an active internal EDID in a
system power-down mode. Alternatively PWRDNB pin can be left floating and its effect on the
powerdown status can be disabled via I2C by setting
+ 5 V
HDMI
Port A
+ 5 V
HDMI
Port B
+ 5 V
HDMI
Port C
+ 5 V
HDMI
Port D

Figure 4: Using +5 V from HDMI Source to Provide Supplies in Power-down Mode 0

Rev. F August 2010
Figure 4 is required for hardware power-down with internal EDID
Figure 5 can be implemented if there is no requirement to enter power-
TV Supply
10 K
30
DIS_PWRDNB to 1.
SPI
EEPROM
512 byte (4k bit)
LDO DVDDIO
TVDD
AVDD
LDO CVDD
DVDD
PVDD
PWRDNB
RXD_5V_DETECT
RXC_5V_DETECT
RXB_5V_DETECT
RXA_5V_DETECT
ADV7604
ADV7604