ADV7842
Rev. B | Page 15 of 28
Pin No.
Mnemonic
Type
Description
C15
GND
Ground
Ground.
C16
XTALN
Miscellaneous analog
Input Pin for 28.63636 MHz Crystal.
D1
P9
Digital video output
Video Pixel Output Port.
D2
P8
Digital video output
Video Pixel Output Port.
D3
EP_MISO
Digital input
SPI Master In/Slave Out for External EDID Interface.
D4
FIELD/DE
Miscellaneous digital
Data Enable (DE). DE is a signal that indicates active pixel data.
Field Synchronization Output Signal in All Interlaced Video Modes (FIELD).
DE or FIELD can be configured for this pin.
D5
GND
Ground
Ground.
D6
CEC
Digital input/output
Consumer Electronic Control Channel.
D7
DDCB_SDA
Digital input/output
HDCP Slave Serial Data Port B. DDCB_SDA is a 3.3 V input/output that is 5 V tolerant.
D8
DDCB_SCL
Digital input
HDCP Slave Serial Clock Port B. DDCB_SCL is a 3.3 V input that is 5 V tolerant.
D9
DDCA_SDA
Digital input/output
HDCP Slave Serial Data Port A. DDCA_SDA is a 3.3 V input/output that is 5 V tolerant.
D10
DDCA_SCL
Digital input
HDCP Slave Serial Clock Port A. DDCA_SCL is a 3.3 V input that is 5 V tolerant.
D11
RTERM
Miscellaneous analog
Sets Internal Termination Resistance. A 500 Ω resistor between this pin and GND
should be used.
D12
CVDD
Power
Comparator Supply Voltage (1.8 V).
D13
VGA_SCL
Miscellaneous digital
DDC Port Serial Clock Input for VGA
D14
VGA_SDA
Miscellaneous digital
DDC Port Serial Data Input/Output for VGA
D15
PVDD
Power
PLL Supply Voltage (1.8 V).
D16
PVDD
Power
PLL Supply Voltage (1.8 V).
E1
GND
Ground
Ground.
E2
P10
Digital video output
Video Pixel Output Port.
E3
EP_CS
Digital output
SPI Chip Select for External EDID Interface.
E4
EP_MOSI
Digital output
SPI Master Out/Slave In for External EDID Interface.
E5
GND
Ground
Ground.
E6
GND
Ground
Ground.
E7
GND
Ground
Ground.
E8
GND
Ground
Ground.
E9
GND
Ground
Ground.
E10
GND
Ground
Ground.
E11
CVDD
Power
Comparator Supply Voltage (1.8 V).
E12
CVDD
Power
Comparator Supply Voltage (1.8 V).
E13
HS_IN2/TRI7
Miscellaneous analog
HS on Graphics Port 2 (HS_IN2). The HS input signal is used for 5-wire timing mode.
Trilevel/Bilevel Input on the SCART or D-terminal Connector (TRI7). (Selection available
via the I2C.)
E14
VS_IN2/TRI8
Miscellaneous analog
VS on Graphics Port 2 (VS_IN2). The VS input signal is used for 5-wire timing mode.
Trilevel/Bilevel Input on the SCART or D-Terminal Connector (TRI8). (Selection available
via the I2C.)
E15
REFP
Miscellaneous analog
Internal Voltage Reference Output.
E16
REFN
Miscellaneous analog
Internal Voltage Reference Output.
F1
P12
Digital video output
Video Pixel Output Port.
F2
P11
Digital video output
Video Pixel Output Port.
F3
EP_SCK
Digital output
SPI Clock for External EDID Interface.
F4
TTX_SCL
Miscellaneous digital
Fast I2C Interface for Teletext Data Extraction. TTX_SCL is used as the I2C port serial
clock input.
F5
DVDDIO
Power
Digital I/O Supply Voltage (3.3 V).
F6
GND
Ground
Ground.
F7
GND
Ground
Ground.
F8
GND
Ground
Ground.
F9
GND
Ground
Ground.
F10
GND
Ground
Ground.
F11
GND
Ground
Ground.
F12
AVDD
Power
Analog Supply Voltage (1.8 V).