DV-59AVi
141
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Mnemonic
Input/Output
Function
DGND
G
Digital Ground.
AGND
G
Analog Ground.
CLKIN_A
I
Pixel Clock Input for HD (74.25 MHz Only, PS Only (27 MHz), SD Only (27 MHz).
CLKIN_B
I
Pixel Clock Input. Requires a 27 MHz reference clock for progressive scan mode or a 74.25MHz
(74.1758 MHz) reference clock in HDTV mode. This clock is only used in dual modes.
COMP1,2
O
Compensation Pin for DACs. Connect 0.1
µ
F capacitor from COMP pin to V
AA
.
DAC A
O
CVBS/Green/Y/Y Analog Output.
DAC B
O
Chroma/Blue/U/Pb Analog Output.
DAC C
O
Luma/Red/V/Pr Analog Output.
DAC D
O
In SD Only Mode: CVBS/Green/Y Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Y/Green [HD] Analog Output.
DAC E
O
In SD Only Mode: Luma/Blue/U Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Pr/Red Analog Output.
DAC F
O
In SD Only Mode: Chroma/Red/V Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Pb/Blue [HD] Analog Output.
P_HSYNC
I
Video Horizontal Sync Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
P_VSYNC
I
Video Vertical Sync Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
P_BLANK
I
Video Blanking Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
S_BLANK
I/O
Video Blanking Control Signal for SD Only.
S_HSYNC
I/O
Video Horizontal Sync Control Signal for SD Only.
S_VSYNC
I/O
Video Vertical Sync Control Signal for SD Only.
Y9–Y0
I
SD or Progressive Scan/HDTV Input Port for Y Data. Input port for interleaved progressive scan
data. The LSB is set up on Pin Y0. For 8-bit data input, LSB is set up on Y2.
C9–C0
I
Progressive Scan/HDTV Input Port 4:4:4 Input Mode. This port is used for the Cb[Blue/U] data.
The LSB is set up on pin C0. For 8-bit data input, LSB is set up on C2.
S9–S0
I
SD or Progressive Scan/HDTV Input Port for Cr[Red/V] data in 4:4:4 input mode. LSB is set up
on pin S0. For 8-bit data input, LSB is set up on S2.
RESET
I
This input resets the on-chip timing generator and sets the ADV7310/ADV7311 into default register
setting. RESET is an active low signal.
R
SET1,2
I
A 3040
Ω
resistor must be connected from this pin to AGND and is used to control the amplitudes
of the DAC outputs.
SCLK
I
I
2
C Port Serial Interface Clock Input.
SDA
I/O
I
2
C Port Serial Data Input/Output.
ALSB
I
TTL Address Input. This signal sets up the LSB of the I
2
C address. When this pin is tied low,
the I
2
C filter is activated, which reduces noise on the I
2
C interface.
V
DD_IO
P
Power Supply for Digital Inputs and Outputs.
V
DD
P
Digital Power Supply.
V
AA
P
Analog Power Supply.
V
REF
I/O
Optional External Voltage Reference Input for DACs or Voltage Reference Output (1.235 V).
EXT_LF
I
External Loop Filter for the Internal PLL.
RTC_SCR_TR I
I
M ultifunctional Input. Real time control (RTC) input, timing reset input, subcarrier reset input.
I
2
C
This input pin must be tied high (V
DD_IO
) for the ADV7310/ADV7311 to interface over the I
2
C port.
GND_IO
Digital Input/Output Ground.
¶
Pin Function
Содержание DV-59AVi
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