msm7664 Oki Semiconductor, msm7664 Datasheet - Page 23
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msm7664
Manufacturer Part Number
msm7664
Description
Ntsc/pal Digital Video Decoder
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7664.pdf
(76 pages)
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6. VBID Block
The VBID Block detects AGC, CC, WSS and CGMS data from the input luminance signal and
holds them. The VBID module consists of the following four modules.
The detection line and detection level can be changed by setting of the register.
1) AGC module
2) C.C. (Closed Caption) module
3) WSS (Wide Screen Signalling) module
4) CGMS module
7. I
This serial interface block is based on the I
The registers at up to subaddress Hex14 are write-only registers and the register at subaddress
Hex20 is a read-only register.
The license to use the LSI chip for I
Phillips Corporation by purchasing the LSI chip.
8. Test Control Block
This block is used to test the LSI chip. Normally this block is not used.
2
This module detects whether the macrovision AGC pulse (NTSC/PAL) is included in the
specified line. If the AGC pulse has been detected in the specified lines, the flag is set.
This module detects whether the closed caption data (NTSC/PAL) is included in the specifed
lines. If it has been detected in the specified lines, character data on the odd number lines and
character data on the even number lines are individually held and flags are set for each data
separately.
This module detects WSS data on the lines specified by NTSC. If it has been detected, the flag
is set.
(PAL only)
This module detects CGMS data on the lines specified by IEC61880.
If is has been detected, the flag is set (NTSC only)
C Control Block
NTSC-specified lines: 12 to 19 odd-numbered lines
PAL-specified lines:
NTSC-specified lines: 21 odd-numbered lines
PAL-specified lines:
PAL-specified lines: 23 lines
NTSC-specified lines: 20 odd-numbered lines
275 to 282 even-numbered lines
9 to 18 odd-numbered lines
321 to 330 even-numbered lines
284 even-numbered lines
22 odd-numbered lines
3350 even-numbered lines
283 even-numbered lines
2
C systems is granted on the basis of the I
2
C standard of the Phillips Corporation.
2
C patent of the
PEDL7664-01
MSM7664
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