參數(shù)資料
型號(hào)： MC44722FT
廠(chǎng)商： Motorola, Inc.
英文描述： NTSC Digital Video Encoder
中文描述： NTSC制式的數(shù)字視頻編碼器
文件頁(yè)數(shù)： 15/35頁(yè)
文件大?。?/td> 433K
代理商： MC44722FT
MC44722/3 Rev 0.23 3/24/'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
42(hex)/43(hex) or 1C(hex)/1D(hex) . Slave address is chosen at reset by the state of the ChipA pin
signal { 0 : 42(hex)/43(hex), 1 : 1C(hex)/1D(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.
15
MACROVISION
TM
Copy Protection
When the MC44722 is enabled this features in
NTSC mode
, 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.
But this feature is
NOT supported in PAL mode
, so please do
NOT
use this features in PAL mode.
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 does NOT use this features, please recommend to use the MC44723 no-supported the
copy-guard features.
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