參數(shù)資料
型號(hào): TW9903
廠商: Electronic Theatre Controls, Inc.
英文描述: TW9903 ? Multi-standard Video Decoder With High Quality Down Scaler
中文描述: TW9903?多標(biāo)準(zhǔn)視頻解碼器,高品質(zhì)下倍線器
文件頁數(shù): 27/74頁
文件大?。?/td> 630K
代理商: TW9903
TW9903
TECHWELL, INC.
27
REV. 0.92 ( B )
06/02/2002
and even field Closed Captioning are enabled, it must be shorter than 4 times write per 1 frame
cycle. Otherwise, FIFO will be in overflow condition theoretically.
Typical FIFO Read flows are as follows. These flows are written similar to C language type.
Case 1 : typical I2C Master with normal read cycle speed
CONT1: Write CC_STATUS register bits 0x1A[6:5]=00
Read 16 times CC_DATA register 0x1B
Write CC_STATUS register bits 0x1A[6:5] for the application
CONT2: Read CC_STATUS register 0x1A
If(FF_OVF bit==1) goto CONT1
else if(FF_EMP bit ==0) goto CONT2 or goto CONT3
else {
if(PARITY bit==1) {
read CC_DATA register 0x1B
Abandon this CC_DATA
goto CONT2 or goto CONT3
}
else {
Check CC_EDS bit and store field information
read CC_DATA register 0x1B(store 1 data)
}
}
CONT3: execute another program routine
goto CONT2
Case2 : Too slow speed I2C Master or program with too big waiting time to cause overflow often.
CC_STATUS Register bits 0x1A[6:5]=01 or10.
CONT4: Write CC_STATUS register bits 0x1A[6:5]=00
Read 16 times CC_DATA register 0x1B
Write CC_STATUS register bits 0x1A[6:5] for the application
CONT5: Read CSTATUS register 0x01
If(CCVALID bit==0) goto CONT5 or goto CONT6
Read CC_STATUS register
If(FF_OVF bit ==1) goto CONT4
Read 8times CC_DATA register 0x1B(Store 8 data)
while (1) {
Read CC_STATUS Register 0x1A
If(FF_EMP bit==0) break or goto CONT6
else Read 0x1B (store1 data)
continue
}
CONT6: execute another program routine
goto CONT5
Two Wire Serial Bus Interface
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TW9903-FB 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器,解碼器,轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源,模擬:- 電壓 - 電源,數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TW9903-MB 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器,解碼器,轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源,模擬:- 電壓 - 電源,數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TW9903-MBS 功能描述:IC NTSC/PAL/SECAM DECODR 100PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器,解碼器,轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源,模擬:- 電壓 - 電源,數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TW9905-FD 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器,解碼器,轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源,模擬:- 電壓 - 電源,數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TW9905-MD 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器,解碼器,轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源,模擬:- 電壓 - 電源,數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799