📄 i2c.lst
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setting bit 4 has the effect of freezing the image (suppressing
VACT?); all other bits appear to have no effect
SeeAlso: I2C 8Ah/39h,I2C 86h/3Ah
--------V-I863A------------------------------
I2C 86h/3Ah U - ITT VPX 32xx - ??? (Test Register - FP)
Note: this register appears to correspond to the VDP 3108 register
SeeAlso: I2C 8Ah/3Ah,I2C 86h/3Eh
--------V-I863B------------------------------
I2C 86h/3Bh U - ITT VPX 32xx - Unimplemented
Note: this register appears to correspond to a VDP 3108 register which is
not applicable to the VPX series
SeeAlso: I2C 8Ah/3Bh
--------V-I863C------------------------------
I2C 86h/3Ch U - ITT VPX 32xx - Unimplemented
Note: this register appears to correspond to a VDP 3108 register which is
not applicable to the VPX series
SeeAlso: I2C 8Ah/3Ch
--------V-I863D------------------------------
I2C 86h/3Dh U - ITT VPX 32xx - Unimplemented
Note: this register appears to correspond to a VDP 3108 register which is
not applicable to the VPX series
SeeAlso: I2C 8Ah/3Dh
----------I863E------------------------------
I2C 86h/3Eh U - ITT VPX 32xx - ??? (Test Register - Front End, Luma 2?)
Note: this register appears to correspond to the VDP 3108 register
SeeAlso: I2C 8Ah/3Eh,I2C 86h/3Fh
Bitfields for Test Register, Luma 2:
Bit(s) Description (Table I0034)
0 freezes image when set
3-2 if either/both bits set, video appears as an image and ghost;
green and cyan appear to be horizontally separated
7-4 affect color, sometimes freeze image
SeeAlso: #I0046
----------I863F------------------------------
I2C 86h/3Fh U - ITT VPX 32xx - ??? (Test Register - Front End, Luma1?)
Note: this register appears to correspond to the VDP 3108 register
SeeAlso: I2C 8Ah/3Fh,I2C 86h/39h
Bitfields for Test Register, Luma 1:
Bit(s) Description (Table I0035)
1 freezes image when set
2 freezes image when set
3 chromakey??? certain colors appear as black when this bit is set
5 swap Cb and Cb in internal chroma processing path
(has effect of cycling colors: red->blue, blue->red, yellow->green)
SeeAlso: #I0045
----------I86AA------------------------------
I2C 86h/AAh - ITT VPX 3214C/322xD - Low-Power Mode
----------I86D0------------------------------
I2C 86h/D0h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D1h,I2C 86h/D2h
----------I86D1------------------------------
I2C 86h/D1h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D0h,I2C 86h/D2h
----------I86D2------------------------------
I2C 86h/D2h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D0h,I2C 86h/D3h
----------I86D3------------------------------
I2C 86h/D3h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D0h,I2C 86h/D4h
----------I86D4------------------------------
I2C 86h/D4h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D0h,I2C 86h/D5h
----------I86D5------------------------------
I2C 86h/D5h U - ITT VPX 32xx - ???
Note: when bit 7 is set the low six bits change which horizontal portion
of the video image is digitized
SeeAlso: I2C 86h/D0h,I2C 86h/D6h
----------I86D6------------------------------
I2C 86h/D6h U - ITT VPX 32xx - ???
SeeAlso: I2C 86h/D0h,I2C 86h/D7h
----------I86D7------------------------------
I2C 86h/D7h U - ITT VPX 32xx - ???
Note: bit 1 causes the image to freeze when set; bit 4 changes colors to
mostly cyan when set, and bit 7 shifts the image right about 1/6
of the screen
SeeAlso: I2C 86h/D0h,I2C 86h/D8h
----------I86D8------------------------------
I2C 86h/D8h - ITT VPX 32xx - VREF/HREF Control
Bitfields for VPX 32xx VREF/HREF control:
Bit(s) Description (Table I0036)
0 reserved
1 HREF polarity (=0 active high, =1 active low)
2 VREF polarity (=0 active high, =1 active low)
5-3 length of HREF pulse (+2 clocks)
6 PREF select
0 odd/even flag
1 Pintr (programmable interrupt)
7 PREF polarity (=1 invert polarity)
Note: the Stealth64 Video 2001TV uses the PREF output to control the
audio signal; set bit 6 to select programmable interrupt on PREF,
then set bit 7 to mute, clear bit 7 to enable sound
--------V-I86D9------------------------------
I2C 86h/D9h U - ITT VPX 32xx - Unimplemented
SeeAlso: I2C 86h/DDh
--------V-I86DA------------------------------
I2C 86h/DAh U - ITT VPX 32xx - ???
--------V-I86DB------------------------------
I2C 86h/DBh U - ITT VPX 32xx - ???
--------V-I86DC------------------------------
I2C 86h/DCh U - ITT VPX 32xx - ???
--------V-I86DD------------------------------
I2C 86h/DDh U - ITT VPX 32xx - Unimplemented
SeeAlso: I2C 86h/D9h
--------V-I86DE------------------------------
I2C 86h/DEh U - ITT VPX 32xx - Unimplemented
SeeAlso: I2C 86h/DDh
--------V-I86DF------------------------------
I2C 86h/DFh U - ITT VPX 32xx - Unimplemented
SeeAlso: I2C 86h/DEh
--------V-I86E0------------------------------
I2C 86h/E0h - ITT VPX 32xx - Alpha Keyer: Ymax
Note: not supported by the VPX 3214C
--------V-I86E1------------------------------
I2C 86h/E1h - ITT VPX 32xx - Alpha Keyer: Ymin
Note: not supported by the VPX 3214C
----------I86E2------------------------------
I2C 86h/E2h - ITT VPX 32xx - Alpha Keyer: Cbmax
Note: not supported by the VPX 3214C
----------I86E3------------------------------
I2C 86h/E3h - ITT VPX 32xx - Alpha Keyer: Cbmin
Note: not supported by the VPX 3214C
----------I86E4------------------------------
I2C 86h/E4h - ITT VPX 32xx - Alpha Keyer: Crmax
Note: not supported by the VPX 3214C
----------I86E5------------------------------
I2C 86h/E5h - ITT VPX 32xx - Alpha Keyer: Crmin
Note: not supported by the VPX 3214C
----------I86E6------------------------------
I2C 86h/E6h - ITT VPX 32xx - Brightness
Note: signed offset: 80h = black, 7Fh = brightest
SeeAlso: I2C 86h/E7h
----------I86E7------------------------------
I2C 86h/E7h - ITT VPX 32xx - Contrast / Noise Shaping
SeeAlso: I2C 86h/E6h
Bitfields for VPX 32xx contrast/noise shaping:
Bit(s) Description (Table I0037)
5-0 contrast (00h minimum, 3Fh maximum)
bit 5 is integer, bits 4-0 fraction (i.e range is 0.0 - 1.96)
7-6 noise shaping
00 rounding
01 truncation
10 one-bit error diffusion
11 two-bit error diffusion
----------I86E8------------------------------
I2C 86h/E8h - ITT VPX 32xx - Format Selector
SeeAlso: I2C 86h/F0h,I2C 86h/28h/1Bh
Bitfields for VPX 32xx format selector:
Bit(s) Description (Table I0038)
2-0 video format
000 YCbCr 4:2:2 or YCbCr 4:2:2 CCIR (16 bits/pixel)
001 YCbCr 4:4:4 (24 bits/pixel)
010 YCbCr 4:1:1 (12 bits/pixel)
011 YCbCr 4:4:4 DPCM compressed (8 bits/pixel)
100 RGB 8:8:8
101 RGB 8:8:8 (inverse gamma)
110 RGB 5:6:5 (inverse gamma)
111 RGB 5:5:5 (inverse gamma) + Alpha Key
3 CbCr data stream format
0 two's complement (-128..127)
1 binary offset (0..255)
4 contrast brightness, clamping level
0 clamping level = 32
1 clamping level = 16 (darker image)
5 Gamma: round dither enable
6 Alpha Key polarity (=0 active high, =1 active low)
if the Alpha Keyer limits have been set to the maximum limits
(default), then the Alpha Key is always active, and this bit
controls the state of the ALPHA pin
[on the 3214C, programmable output pin connected to TDO]
7 Alpha Keyer median-of-3 filter enabled
----------I86E9------------------------------
I2C 86h/E9h U - ITT VPX 32xx - ???
----------I86EA------------------------------
I2C 86h/EAh - ITT VPX 32xx - Diverse Settings
Bitfields for VPX 32xx diverse settings:
Bit(s) Description (Table I0039)
2-0 reserved (0)
3 connect LLC2 to ALPHA/TDO pin
4 LLC/2 polarity
5 output FIFO pointer reset select
0 on positive edge of VACTref
1 on VRF=0
7-6 officially reserved
6 =1 wraps to top before bottom of image (3220A)
7 =1 freeze image (3220A)
----------I86F0------------------------------
I2C 86h/F0h - ITT VPX 32xx - Output FIFO
SeeAlso: I2C 86h/F1h,I2C 86h/F2h
Bitfields for VPX 32xx Output FIFO control:
Bit(s) Description (Table I0040)
---asynchronous mode---
4-0 FIFO Half-Full flag level (number of pixels in 32-pixel buffer before
Half-Full is signalled
---synchronous mode---
3-0 [3214C only] additional length of NewVACT inactive period (+8 clocks)
4 [3214C only] reserved (0)
------
7-5 bus shuffler
000 Out[23:0] = In[23:0]
001 Out[23:0] = In[7:0,23:8]
010 Out[23:0] = In[7:0,23:8]
011 Out[23:0] = In[15:0,23:16]
100 Out[23:0] = In[15:8,23:16,7:0]
101 Out[23:0] = In[7:0,15:8,23:16]
110 Out[23:0] = In[7:0,15:8,23:16]
111 Out[23:0] = In[23:16,7:0,15:8]
----------I86F1------------------------------
I2C 86h/F1h - ITT VPX 32xx - Output Multiplexor
SeeAlso: I2C 86h/F0h,I2C 86h/F2h
Bitfields for VPX 32xx Output Multiplexer:
Bit(s) Description (Table I0041)
1-0 port mode
00 parallel output, single clock per pixel
01 double clock
port A = FO[23:16] / FO[15:8] on rising/falling PIXCLK
port B = FO[7:0]
10 test mode (3220 only)
11 "triple clock" (3220 only)
port A = FO[23:16] / FO[15:8] / FO[7:0]
port B = FO[7:0]
2 (synchronous mode) data reset during VACT=0
(asynchronous mode) clock slope
(=0 positive edge triggered, =1 negative edge triggered)
3 clock source
0 external, PIXCLK is clock source (input)
1 internal, PIXCLK is an output signal
5-4 (synchronous mode) delay signal
00 no delay of "active video" signal with respect to output data
01 one-clock delay
10 two clocks
11 three clocks
6 (3220A, not 3220; async mode) FIFO Empty low-pass filter
7 (3220A, not 3220) enable HLEN (line length counter)
SeeAlso: #I0026
----------I86F2------------------------------
I2C 86h/F2h - ITT VPX 32xx - Output Enable
SeeAlso: I2C 86h/F0h,I2C 86h/F1h,I2C 86h/F8h
Bitfields for VPX 32xx Output Enable:
Bit(s) Description (Table I0042)
0 enable Video Port A
1 enable Video Port B
2 enable PIXCLK output (322xD only)
reserved (32xx)
3 enable controls (=0 freezes current image)
4 (3220) enable LLC2 to TDO pin
(32xx) enable LLC clock to HF# pad
5 eanble FSY-Data to HF# pad
6 (3220) reserved (0)
(32xx) synchronize HREF and VREF with PIXCLK
7 (3220) disable FE# low-pass filter
(32xx/322xD) disable OEQ pin function
SeeAlso: #I0025
----------I86F4------------------------------
I2C 86h/F4h U - ITT VPX 32xx - ??? Status
----------I86F5------------------------------
I2C 86h/F5h U - ITT VPX 32xx - ??? Status
----------I86F6------------------------------
I2C 86h/F6h U - ITT VPX 32xx - ??? Status
----------I86F7------------------------------
I2C 86h/F7h U - ITT VPX 32xx - ??? Status
----------I86F8------------------------------
I2C 86h/F8h - ITT VPX 32xx - Pad Driver Strength A
SeeAlso: I2C 86h/F2h,I2C 86h/F9h
Bitfields for VPX 32xx Pad Driver Strength A:
Bit(s) Description (Table I0043)
2-0 driver strength of video port A
5-3 driver strength of PIXCLK, HF#, and FE#
7-6 additional PIXCLK strength
SeeAlso: #I0028
----------I86F9------------------------------
I2C 86h/F9h - ITT VPX 32xx - Pad Driver Strength B
SeeAlso: I2C 86h/F2h,I2C 86h/F8h
Bitfields for VPX 32xx Pad Driver Strength B:
Bit(s) Description (Table I0044)
2-0 driver strength of video port B
5-3 driver strength of HREF, VREF, ALPHA, and PREF
7-6 reserved (0)
SeeAlso: #I0027
--------V-I86FA------------------------------
I2C 86h/FAh - ITT VPX 32xx - Unimplemented
Note: all of the VPX 32xx registers which are not listed above appear to
be unimplemented; they always return FFh on reads and have no
apparent effect on writes
--------V-I88--------------------------------
I2C 88h - Harris HMP8112 / HMP8112A / HMP8115
Desc: the HMP8112 and 8115 are NTSC/PAL video decoders
!!!harris\fn4221.pdf, harris\fn4283.pdf, harris\fn4407.pdf
--------V-I88--------------------------------
I2C 88h - Philips TDA4885
Desc: the TDA4885 is the "150 MHz video controller with I2C bus"
!!!philips\2505.pdf p.30
--------V-I8800------------------------------
I2C 88h/00h - Brooktree Bt819A - DEVICE STATUS
Desc: the Bt819A, Bt817A, and Bt815A are video decoders
Range: I2C addresses 88h or 8Ah
SeeAlso: I2C 88h/00h
--------V-I8801------------------------------
I2C 88h/01h - Brooktree Bt819A - INPUT FORMAT
Desc: the Bt819A, Bt817A, and Bt815A are video decoders
SeeAlso: I2C 88h/00h
--------V-I8802------------------------------
I2C 88h/02h - Brooktree Bt819A - TEMPORAL DECIMATION
Desc: the Bt819A, Bt817A, and Bt815A are video decoders
SeeAlso: I2C 88h/00h
--------V-I8803------------------------------
I2C 88h/03h - Brooktree Bt819A - MSB Cropping
Range: I2C addresses 88h or 8Ah
SeeAlso: I2C 88h/00h
--------V-I8804------------------------------
I2C 88h/04h - Brooktree Bt819A - VERTICAL DELAY (LOW BYTE)
SeeAlso: I2C 88h/00h
--------V-I8805------------------------------
I2C 88h/05h - Brooktree Bt819A - VERTICAL ACTIVE (LOW BYTE)
SeeAlso: I2C 88h/00h
--------V-I8806------------------------------
I2C 88h/06h - Brooktree Bt819A - HORIZONTAL DELAY (LOW BYTE)
Desc: the Bt819A, Bt817A, and Bt815A are video decoders
SeeAlso: I2C 88h/00h
--------V-I8807------------------------------
I2C 88h/07h - Brooktree Bt819A - HORIZONTAL ACTIVE (LOW BYTE)
Range: I2C addresses 88h or 8Ah
SeeAlso: I2C 88h/00h
--------V-I8808------------------------------
I2C 88h/08h - Brooktree Bt819A - HORIZONTAL SCALING (HIGH BYTE)
Desc: the Bt819A, Bt817A, and Bt815A are video decoders
SeeAlso: I2C 88h/00h
--------V-I8809------------------------------
I2C 88h/09h - Brooktree Bt819A ⌨️ 快捷键说明
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