adv7344 Analog Devices, Inc., adv7344 Datasheet - Page 19

• Manufacturer Part Number: adv7344
• Description: Multiformat Video Encoder Six 14-bit Noise Shaped Video Dacs
• Manufacturer: Analog Devices, Inc.

Pin No.
44, 43, 42
39, 38, 37
21
20
19
46
41
10, 56
1
34
33
31
32
40
11, 57
64
1
2
ED = enhanced definition = 525p and 625p.
LSB = least significant bit. In the ADV7344, setting the LSB to 0 sets the I
Mnemonic
DAC 1, DAC 2,
DAC 3
DAC 4, DAC 5,
DAC 6
SCL/MOSI
SDA/SCLK
ALSB/SPI_SS
V
V
V
V
PV
EXT_LF1
EXT_LF2
PGND
AGND
DGND
GND_IO
REF
AA
DD
DD_IO
DD
Input/
Output
O
O
I
I/O
I
P
P
P
P
I
I
G
G
G
G
Description
DAC Outputs. Full and low drive capable DACs.
DAC Outputs. Low drive only capable DACs.
Multifunctional Pin: I
Multifunctional Pin: I
Multifunctional Pin: This signal sets up the LSB
Optional External Voltage Reference Input for DACs or Voltage Reference Output.
Analog Power Supply (3.3 V).
Digital Power Supply (1.8 V). For dual-supply configurations, V
supplies through a ferrite bead or suitable filtering.
Input/Output Digital Power Supply (3.3 V).
PLL Power Supply (1.8 V). For dual-supply configurations, PV
supplies through a ferrite bead or suitable filtering.
External Loop Filter for On-Chip PLL 1.
External Loop Filter for On-Chip PLL 2.
PLL Ground Pin.
Analog Ground Pin.
Digital Ground Pin.
Input/Output Supply Ground Pin.
2
C address to 0xD4. Setting it to 1 sets the I
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2
2
C Clock Input/SPI Data Input.
C Data Input/Output. Also, SPI clock input.
2
of the MPU I
2
C address to 0xD6.
2
DD
C address. Also, SPI slave select.
DD
can be connected to other 1.8 V
can be connected to other 1.8 V
ADV7344