AD9398 Analog Devices, AD9398 Datasheet - Page 16
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AD9398
Manufacturer Part Number
AD9398
Description
Display Interface
Manufacturer
Analog Devices
Datasheet
1.AD9398.pdf
(44 pages)
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AD9398
Hex Address
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
Read/Write
or Read
Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read
Read
Read/Write
Read/Write
Read/Write
Read/Write
Bits
[4]
[3]
[2:0]
[7:2]
[1:0]
[7:0]
[3:0]
[7:0]
[3:0]
[7:0]
[7]
[6:5]
[4:0]
[6]
[5]
[4]
[3]
[2:0]
[6]
[5]
[4]
[3:0]
[7:4]
[3:0]
[7]
[6]
[5:0]
[7]
[6]
[5:0]
[7:6]
Default
Value
***0****
****0***
*****000
011000**
******01
00000100
****0101
00000000
****0010
11010000
0*******
*00*****
***11000
*0******
**0*****
***0****
****0***
*****000
*0******
**0*****
***0****
****0000
1001****
****0110
0*******
*0******
**001101
1*******
*0******
**010101
10******
Register Name
BT656 EN
Force DE Generation
Interlace Offset
VS Delay
HS Delay MSB
HS Delay
Line Width MSB
Line Width
Screen Height MSB
Screen Height
Ctrl EN
I
I
TMDS Sync Detect
TMDS Active
AV Mute
HDCP Keys Read
HDMI Quality
HDMI Content
Encrypted
DVI HSYNC Polarity
DVI VSYNC Polarity
HDMI Pixel Repetition
MV Pulse Max
MV Pulse Min
MV Oversample En
MV Pal En
MV Line Count Start
MV Detect Mode
MV Settings Override
MV Line Count End
MV Pulse Limit Set
2
2
S Out Mode
S Bit Width
Rev. 0 | Page 16 of 44
Description
Enables EAV/SAV codes to be inserted into the video
output data.
Allows use of the internal DE generator in DVI mode.
Sets the difference (in HSYNCs) in field length between
Field 0 and Field 1.
Sets the delay (in lines) from the VSYNC leading edge to
the start of active video.
MSB, Register 0x29.
Sets the delay (in pixels) from the HSYNC leading edge
to the start of active video.
MSB, Register 0x2B.
Sets the width of the active video line in pixels.
MSB, Register 0x2D.
Sets the height of the active screen in lines.
Allows Ctrl [3:0] to be output on the I
00 = I
01 = right-justified.
10 = left-justified.
11 = raw IEC60958 mode.
Sets the desired bit width for right-justified mode.
Detects a TMDS DE.
Detects a TMDS clock.
Gives the status of AV mute based on general control
packets.
Returns 1 when read of EEPROM keys is successful.
Returns quality number based on DE edges.
This bit is high when HDCP decryption is in use (content
is protected). The signal goes low when HDCP is not
being used. Use this bit to allow copying of the content.
The bit should be sampled at regular intervals because it
can change on a frame-by-frame basis.
Returns DVI HSYNC polarity.
Returns DVI VSYNC polarity.
Returns current HDMI pixel repetition amount. 0 = 1×,
1 = 2×, ... The clock and data outputs automatically
de-repeat by this value.
Sets the maximum pseudo sync pulse width for
Macrovision detection.
Sets the minimum pseudo sync pulse width for
Macrovision detection.
Tells the Macrovision detection engine whether
oversampling occurs.
Tells the Macrovision detection engine to enter PAL
mode.
Sets the start line for Macrovision detection.
0 = standard definition.
1 = progressive scan mode.
0 = use hard-coded settings for line counts and pulse
widths.
1 = use I
Sets the end line for Macrovision detection.
Sets the number of pulses required in the last 3 lines
(SD mode only).
2
S mode.
2
C values for these settings.
2
S data pins.