ADV7842KBCZ-5P Datasheet, PDF (14/28 Pages) Analog Devices – Dual HDMI Fast Switching Receiver with 12-Bit, 170 MHz Video and Graphics Digitizer and 3D Comb Filter Decoder

ADV7842
Table 7. Pin Function Descriptions
Pin No. Mnemonic
Type
A1
GND
Ground
A2
P3
Digital video output
A3
P1
Digital video output
A4
P0
Digital video output
A5
TVDD
Power
A6
RXB_2−
HDMI input
A7
RXB_1−
HDMI input
A8
RXB_0−
HDMI input
A9
RXB_C−
HDMI input
A10
GND
Ground
A11
RXA_2−
HDMI input
A12
RXA_1−
HDMI input
A13
RXA_0−
HDMI input
A14
RXA_C−
HDMI input
A15
TVDD
Power
A16
GND
Ground
B1
P5
Digital video output
B2
P4
Digital video output
B3
P2
Digital video output
B4
SYNC_OUT
Miscellaneous digital
B5
TVDD
Power
B6
RXB_2+
HDMI input
B7
RXB_1+
HDMI input
B8
RXB_0+
HDMI input
B9
RXB_C+
HDMI input
B10
GND
Ground
B11
RXA_2+
HDMI input
B12
RXA_1+
HDMI input
B13
RXA_0+
HDMI input
B14
RXA_C+
HDMI input
B15
TVDD
Power
B16
XTALP
Miscellaneous analog
C1
P7
C2
P6
C3
VS/FIELD
Digital video output
Digital video output
Digital video output
C4
HS/CS
Digital video output
C5
GND
C6
HPA_B
C7
HPA_A
C8
RXB_5V
C9
RXA_5V
C10
PWRDN1
C11
TEST8
C12
CVDD
C13
CVDD
C14
CVDD
Ground
Miscellaneous digital
Miscellaneous digital
HDMI input
HDMI input
Miscellaneous digital
Test pin
Power
Power
Power
Description
Ground.
Video Pixel Output Port.
Video Pixel Output Port.
Video Pixel Output Port.
Terminator Supply Voltage (3.3 V).
Digital Input Channel 2 Complement of Port B in the HDMI Interface.
Digital Input Channel 1 Complement of Port B in the HDMI Interface.
Digital Input Channel 0 Complement of Port B in the HDMI Interface.
Digital Input Clock Complement of Port B in the HDMI Interface.
Ground.
Digital Input Channel 2 Complement of Port A in the HDMI Interface.
Digital Input Channel 1 Complement of Port A in the HDMI Interface.
Digital Input Channel 0 Complement of Port A in the HDMI Interface.
Digital Input Clock Complement of Port A in the HDMI Interface.
Terminator Supply Voltage (3.3 V).
Ground.
Video Pixel Output Port.
Video Pixel Output Port.
Video Pixel Output Port.
Sliced Synchronization Output
Terminator Supply Voltage (3.3 V).
Digital Input Channel 2 True of Port B in the HDMI Interface.
Digital Input Channel 1 True of Port B in the HDMI Interface.
Digital Input Channel 0 True of Port B in the HDMI Interface.
Digital Input Clock True of Port B in the HDMI Interface.
Ground.
Digital Input Channel 2 True of Port A in the HDMI Interface.
Digital Input Channel 1 True of Port A in the HDMI Interface.
Digital Input Channel 0 True of Port A in the HDMI Interface.
Digital Input Clock True of Port A in the HDMI Interface.
Terminator Supply Voltage (3.3 V).
Input pin for 28.63636 MHz crystal or external 1.8V, 28.63636 MHz Clock Oscillator
Source to Clock the ADV7842.
Video Pixel Output Port.
Video Pixel Output Port.
Vertical Synchronization/Field Synchronization. VS is a vertical synchronization output
signal in the CP and HDMI processor. FIELD is a field synchronization output signal in
all interlaced video modes. VS or FIELD can be configured for this pin.
Horizontal Synchronization/Composite Synchronization. HS is a horizontal
synchronization output signal in the CP and HDMI processor. CS (composite
synchronization) signal is a single signal containing both horizontal and vertical
synchronization pulses. HS or CS can be configured for this pin.
Ground.
Hot Plug Assert Signal Output for HDMI Port B.
Hot Plug Assert Signal Output for HDMI Port A.
5 V Detect Pin for Port B in the HDMI Interface.
5 V Detect Pin for Port A in the HDMI Interface.
Controls the Power-Up of the ADV7842. Should be connected to a digital 3.3 V I/O
supply to power up the ADV7842.
Tie this pin to ground via 4.7 kΩ resistor.
Comparator Supply Voltage (1.8 V).
Comparator Supply Voltage (1.8 V).
Comparator Supply Voltage (1.8 V).
Rev. B | Page 14 of 28