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參數(shù)資料
| 型號： | MSM7708-02 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Serial Register Interface ADPCM CODEC for Telephone Recording(用于電話記錄的串行寄存器接口ADPCM編碼譯碼器) |
| 中文描述： | 串行接口差分PcM注冊解碼器的電話錄音（用于電話記錄的串行寄存器接口差分PcM編碼譯碼器） |
| 文件頁數(shù)： | 32/38頁 |
| 文件大?。?/td> | 232K |
| 代理商： | MSM7708-02 |
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Semiconductor
MSM7708-02
32/38
DATA CONFIGURATION IN THE EXTERNAL SERIAL REGISTER
X Address Space
The address space of the external serial register is accessed based on (word direction indicated
by the X address)
￥
(1 Kb depth in Y direction). The maximum X address in word direction
depends on the total memory of serial registers connected. Since the leading 32 words (32 Kb)
of the serial register are used as the channel index area, X address 020h onward can be used as
the voice data area.
CR5-B5
0
1
1
Total Memory Capacity
(device name)
Number of words
X address*
1 Mb
(MSM63V89C)
1K words
000h to 3FFh
4 Mb
(MSM6684)
4K words
0000h to 0FFFh
8 Mb
(MSM6685)
8K words
0000h to 1FFFh
* 0000h to 001Fh is used as the channel index area.
Y Address Space
For 1 Kb ADPCM data in Y direction, 4 bits
￥
256 samples = 1024 bits are stored in the 1 Kb
memory area. One Y address is allocated to one sample (4 bits) of ADPCM data and addressing
is made with 00h to FFh.
000h
01Fh
020h
3FFh
X address (1 K words of 000h to 3FFh : 1 word = 1 Kb)
channel index area (32 words
￥
1 Kb + 32 Kb)
ADPCM (voice) data area
1 Kb in Y direction
1 word = 1 Kb
00h
01h
FEh
FFh
Y address
4 bit
4 bit
4 bit
4 bit
1
Figure 7 Address Space of the 1 Mb Serial Register
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| MSM7712 | Wireless LAN Baseband Controller |
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| MSM7731-01 | Multifunction PCM CODEC (Voice Signal Processor) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7712 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Wireless LAN Baseband Controller |
| MSM7715 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function Telecommunication LSI |
| MSM7715GS-2K | 制造商:ROHM Semiconductor 功能描述: |
| MSM7716 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail Linear CODEC |
| MSM7716GSK | 制造商:ROHM Semiconductor 功能描述: |
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