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參數(shù)資料
| 型號： | SAA6750H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Encoder for MPEG2 image recording EMPIRE |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封裝： | PLASTIC, SQFP-208 |
| 文件頁數(shù)： | 32/60頁 |
| 文件大?。?/td> | 217K |
| 代理商： | SAA6750H |
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2000 May 03
32
Philips Semiconductors
Product specification
Encoder for MPEG2 image recording
(EMPIRE)
SAA6750H
7.9.3.2
Random access memory write mode
This mode provides random access to specific memory addresses.
The data has to be written according to following scheme:
Table 16
Data transfer using random access write mode
In this example the address word consists of 2 bytes and the data word out of n bytes. This sequence has to be repeated
for every data word that has to be sent to the memory.
7.9.3.3
Write mode
The write mode is used if a number of data bytes has to be written to a subaddress if there is no specific memory address.
I.e. this mode is used to write data to registers. The data has to be sent according to following scheme:
Table 17
Data transfer using write mode
In this example the data word consists of n bytes.
7.9.3.4
Read mode
This mode is used to read data bytes from memories or registers. It is not possible to access a specific memory address.
The first byte to be received will be the MSB. If a certain information is needed, the read transfer has to be carried out
until the specific byte is available. The data transfer has to be closed by the I
2
C-bus master by sending an MN (not
acknowledge) after the last data byte. This tells the SAA6750H to stop sending further data.
The transfer has to follow this scheme:
Table 18
Data transfer using read mode
In this example the read operation gets n data bytes out of the SAA6750H.
S
SAD
W
SA
SD
SA
ADR1
(MSB)
SA
ADR2
(LSB)
SA
DATA
1
(MSB)
SA
...
DATA
n
1
SA
DATA
n
(LSB)
SA
P
S
SAD
W SA
SD
SA
DATA
1
(MSB)
SA
DATA
2
(MSB
1)
SA
DATA
3
(MSB
2)
SA ...
DATA
n
1
SA
DATA
n
(LSB)
SA P
S
SAD
W SA
SD
SA
RS
SAD
R
DATA
1
(MSB)
MA
DATA
2
(MSB
1)
MA ...
DATA
n
1
MA
DATA
n
(LSB)
MN
P
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相關(guān)代理商/技術(shù)參數(shù) |
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| SAA6752HS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
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| SAA6752HS/V104 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer |
| SAA6752HS/V104,557 | 功能描述:IC AUD/VID ENCODER MPEG 208-SQFP 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 |
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