參數(shù)資料
型號(hào): EVAL-AD9393-ABZ
廠商: Analog Devices Inc
文件頁數(shù): 5/40頁
文件大?。?/td> 0K
描述: EVAL BOARD AD9393
標(biāo)準(zhǔn)包裝: 1
主要目的: 視頻,開關(guān),HDMI
嵌入式:
已用 IC / 零件: AD9393
已供物品:
AD9393
Rev. 0 | Page 13 of 40
Hex Address
Read/Write
Bits
Default
Value
Register Name
Description
0x26
Read/write
[7]
0xxxxxxx
Output three-state
Three-state the outputs.
[5]
xx0xxxxx
S/PDIF three-state
Three-state the S/PDIF output.
[4]
xxx0xxxx
I2S three-state
Three-state the I2S output and the MCLK output.
[3]
xxxx1xxx
Power-down ball polarity
Sets polarity of power-down ball.
0 = active low.
1 = active high.
[2:1]
xxxxx00x
Power-down ball function
Selects the function of the power-down ball.
0x = power-down.
1x = three-state outputs.
[0]
xxxxxxx0
Power-down
0 = normal.
1 = power-down.
0x27
Read/write
[7]
1xxxxxxx
Auto power-down enable
0 = disable auto low power state.
1 = enable auto low power state.
[6]
x0xxxxxx
HDCP A0
Sets the LSB of the address of the HDCP I2C. Set to 1 only
for a second receiver in a dual-link configuration.
[5]
xx0xxxxx
Clock test
Must be written to 0.
[4]
xxx0xxxx
BT656 EN
Enables EAV/SAV codes to be inserted into the video
output data.
[3]
xxxx0xxx
Force DE generation
Allows use of the internal DE generator—not the DE
transmitted over TMDS.
[2:0]
xxxxx000
Interlace offset
Sets the difference (in HSYNCs) in field length between
Field 0 and Field 1.
0x28
Read/write
[7:2]
011000xx
VSYNC delay
Sets the delay (in lines) from the VSYNC leading edge to
the start of active video.
[1:0]
xxxxxx01
HSYNC delay MSB
HSYNC delay MSB of Register 0x29.
0x29
Read/write
[7:0]
00000100
HSYNC delay LSB
Sets the delay (in pixels) from the HSYNC leading edge to
the start of active video.
0x2A
Read/write
[3:0]
xxxx0101
Line width MSB
Line width MSB of Register 0x2B.
0x2B
Read/write
[7:0]
00000000
Line width LSB
Sets the width of the active video line in pixels.
0x2C
Read/write
[3:0]
xxxx0010
Screen height MSB
Screen height MSB of Register 0x2D.
0x2D
Read/write
[7:0]
11010000
Screen height LSB
Sets the height of the active screen in lines.
0x2E
Read/write
[7]
0xxxxxxx
CTRL EN
Allows CTRL[3:0] to be output on the I2S data pins.
[6:5]
x00xxxxx
I2S output mode
00 = I2S mode.
01 = right-justified.
10 = left-justified.
11 = raw IEC60958 mode.
[4:0]
xxx11000
I2S bit width
Sets the desired bit width for right-justified mode.
0x2F
Read
[6]
x0xxxxxx
TMDS sync detect
Detects a TMDS DE.
[5]
xx0xxxxx
TMDS active
Detects a TMDS clock.
[4]
xxx0xxxx
AV mute
Gives the status of AV mute based on general control
packets.
[3]
xxxx0xxx
HDCP keys read
Returns 1 when read of EEPROM keys is successful.
[2:0]
xxxxx000
HDMI quality
Returns quality number based on DE edges.
0x30
Read
[6]
x0xxxxxx
HDMI content encrypted
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.
[5]
xx0xxxxx
HDMI HSYNC polarity
Returns HDMI HSYNC polarity.
[4]
xxx0xxxx
HDMI VSYNC polarity
Returns HDMI VSYNC polarity.
[3:0]
xxxx0000
HDMI pixel repetition
Returns current HDMI pixel repetition amount. 0 = 1×,
1 = 2× … The clock and data outputs are automatically
decimated by this value.
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