ADV7194KST Analog Devices Inc, ADV7194KST Datasheet - Page 30

• Manufacturer Part Number: ADV7194KST
• Description: IC ENCODER VIDEO EXT-10 80-LQFP
• Manufacturer: Analog Devices Inc
• Type: Video Encoderr

Specifications of ADV7194KST

• Rohs Status: RoHS non-compliant
• Applications: DVD, PC Video, Multimedia
• Voltage - Supply, Analog: 3.3 V ~ 5 V
• Voltage - Supply, Digital: 3.3 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Number Of Dac's: 6
• Adc/dac Resolution: 10b
• Screening Level: Commercial
• Package Type: LQFP
• Pin Count: 80
• For Use With: EVAL-ADV7194EB - BOARD EVAL FOR ADV7194
• Lead Free Status / RoHS Status: Not Compliant

ADV7194
MODE REGISTER 0
MR0 (MR07–MR00)
(Address (SR4–SR0) = 00H)
Figure 55 shows the various operations under the control of
Mode Register 0.
MR0 BIT DESCRIPTION
Output Video Standard Selection (MR00–MR01)
These bits are used to setup the encoder mode. The ADV7194
can be set up to output NTSC, PAL (B, D, G, H, I), or PAL N
standard video.
Luminance Filter Select (MR02–MR04)
These bits specify which luma filter is to be selected. The filter
selection is made independent of whether PAL or NTSC is
selected.
Chrominance Filter Select (MR05–MR07)
These bits select the chrominance filter. A low-pass filter can be
selected with a choice of cutoff frequencies (0.65 MHz, 1.0 MHz,
1.3 MHz, 2 MHz, or 3 MHz) along with a choice of CIF or
QCIF filters.
MR07 MR06 MR05
0
0
0
0
1
1
1
1
BE WRITTEN
ZERO MUST
TO THIS BIT
MR16
MR17
MR17
0
1
4
0
0
1
1
0
0
1
1
MR07
2
4
OVERSAMPLING
CHROMA FILTER SELECT
CONTROL
0
1
0
1
0
1
0
1
OVERSAMPLING
OVERSAMPLING
MR16
1.3 MHz LOW-PASS FILTER
0.65 MHz LOW-PASS FILTER
1.0 MHz LOW-PASS FILTER
2.0 MHz LOW-PASS FILTER
RESERVED
CIF
QCIF
3.0 MHz LOW-PASS FILTER
MR06
MR15
0
1
DAC CONTROL
POWER-DOWN
NORMAL
DAC A
MR15
MR05
MR14
0
1
MR04 MR03 MR02
DAC CONTROL
0
0
0
0
1
1
1
1
POWER-DOWN
NORMAL
DAC B
MR14
0
0
1
1
0
0
1
1
MR04
MR13
0
1
LUMA FILTER SELECT
0
1
0
1
0
1
0
1
DAC CONTROL
POWER-DOWN
NORMAL
MR13
DAC C
LOW-PASS FILTER (NTSC)
LOW-PASS FILTER (PAL)
NOTCH FILTER (NTSC)
NOTCH FILTER (PAL)
EXTENDED MODE
CIF
QCIF
RESERVED
MODE REGISTER 1
MR1 (MR17–MR10)
(Address (SR4–SR0) = 01H)
Figure 56 shows the various operations under the control of
Mode Register 1.
MR1 BIT DESCRIPTION
DAC Control (MR10–MR15)
Bits MR15–MR10 can be used to power down the DACs. This are
used to reduce the power consumption of the ADV7194 or if any
of the DACs are not required in the application.
4 Oversampling Control (MR16)
To enable 4× Oversampling this bit has to be set to 1. When
enabled, the data is output at a frequency of 54 MHz.
Note that PLL Enable Control has to be enabled (MR61 = 0) in
4× Oversampling mode.
Reserved (MR17)
A Logical 0 must be written to this bit.
MR03
MR12
0
1
DAC CONTROL
POWER-DOWN
NORMAL
MR12
DAC D
MR02
MR11
0
1
DAC CONTROL
MR01 MR00
0
0
1
1
POWER-DOWN
NORMAL
STANDARD SELECTION
DAC E
MR11
MR01
OUTPUT VIDEO
0
1
0
1
MR10
0
1
DAC CONTROL
NTSC
PAL (B, D, G, H, I)
RESERVED
PAL (N)
POWER-DOWN
NORMAL
MR10
DAC F
MR00