參數(shù)資料
型號(hào): GF9331-CBP
廠商: Gennum Corporation
英文描述: DTV/SDTV Motion Co-processor
中文描述: 數(shù)字電視/標(biāo)清運(yùn)動(dòng)協(xié)處理器
文件頁(yè)數(shù): 18/31頁(yè)
文件大小: 337K
代理商: GF9331-CBP
GF9331 Data Sheet
Proprietary and Confidential
18303 - 4
June 2004
18 of 31
3.5.1.2 Auto-Configure
The auto-configure feature will be executed when the Auto-Configure control bit is
set (used during write operations only). All Auto-Configure registers will be updated
to their appropriate settings based on the current video standard and operational
mode.
When setting the Auto-Configure bit, the command word should be set with only
the AC register bit set to ‘1’. All of the remaining 15 register bits should be set to
‘0’. To complete the Auto-Configuration 16 more data bits must be loaded into the
device. The state of these bits can be either HIGH or LOW. Before
Auto-Configuring the device, the standard and mode must be set using either the
host interface (HOST_EN = HIGH) or the external pins (with a falling transition of
HOST_EN).
This simplifies configuration while allowing customization of many features and
format parameters.
3.5.1.3 Serial Data Word Description
The serial data word consists of a 16-bit word as shown in
Figure 3-6: Serial Data
Word Bit Representation
. Serial data is transmitted or received MSB first.
Figure 3-6: Serial Data Word Bit Representation
Both command and data words are clocked into the GF9331 on the rising edge of
the serial clock (SCLK), which may operate in either a continuous or burst fashion.
The first bit (MSB) of the serial output (SDO) is available following the last falling
SCLK edge of the "read" command word. The remaining bits are clocked out on
the falling edges of SCLK.
D15
D14
D13
D12
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D11
D10
LSB
MSB
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