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參數資料
| 型號： | MC44725VFU |
| 廠商： | Motorola, Inc. |
| 英文描述： | Digital Video Encoder |
| 中文描述： | 數字視頻編碼器 |
| 文件頁數： | 17/39頁 |
| 文件大小： | 518K |
| 代理商： | MC44725VFU |
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MC44724/5 Rev 0.21 03/25/97
No.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Serial Control Bus
Control of the DVE device is accomplished through the
I2C
-Bus or
SPI
serial bus.
In I2C mode, pins
SDA
and
SCL
are the respective data and clock signals. Device address can be
40(hex)/41(hex) or 1E(hex)/1F(hex) . Slave address is chosen at reset by the state of the ChipA pin
signal { 0 : 40(hex)/41(hex), 1 : 1E(hex)/1F(hex) }
Sub-address register read and write operations are documented in the following section.
In SPI mode, pins SO, SI, SCK and SEL are the respective data input, output, serial clock and chip
select signals. Register read and write operations are documented in the following section.
17
MACROVISION
TM
Copy Protection
When enabled, the Luma and Chroma signals are modified according to the MACROVISION
TM
copy
protection process for Pay Per View (PPV) applications revision
7.01
dated Sep 6th , 1996.
Enabling and control is through the serial control bus.
No parts will be sent to the customer until the customer provides MOTOROLA with written confirmation of
a license, non-disclosure or waiver from MACROVISION
TM
.
If your customer would NOT like to use this feature or customer do NOT have an agreement of the copy
protection with MACROVISION, and then you should recommend the
MC44723FT
(no copy guard part).
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