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參數(shù)資料
| 型號(hào)： | AK7712A-VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No |
| 中文描述： | 內(nèi)置20位ADC / DAC的尖端音頻DSP |
| 文件頁數(shù)： | 68/87頁 |
| 文件大?。?/td> | 968K |
| 代理商： | AK7712A-VT |
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ASAHI KASEI
[AK7712A-VT]
0180-E-02
1997/12
- 68 -
3) Writing Offset RAM
The writing to program RAM is executed with 4bytes/set at reset. If all the data is transferred, WRDY pin becomes
"L", and if the writing to OFFRAM is finished, it becomes "H" and next data becomes be able to be input.
In case of writing data with the continuos address, input the data directly. If it's discontinuous, set WRQ pin "H"
→
"L",
and input in the order of command code, address and data.
1
{
command code
(1 0 0 1 0 0 0 0)
(0 A6
A0)
(D15
D8)
(D7
D0)
2
{
address
3
{
data
4
{
data
4) Preparation of Rewriting Coefficient
Offset RAM(RUN State) and Rewriting
This is used to rewrite the coefficient
offset RAM when program is running. After input of command code, the data,
which is wanted to rewrite with the continuos address, can be able to input up to 16. Secondary, if the write
command code and first address for rewrite are input then contents of RAM is rewritten every appointment of the
rewritten RAM address. For example, when 5 data are rewritten by address"10" of coefficient RAM, it's executed as
follows.
coefficient RAM execution address 7 8 9 10 11 13 16 11 12 13 14 15
↓
↓
↓
↓
↓
rewrite execution position
{
{
↑
{
{
{
address"13" is not rewritten until address"12" is rewritten.
* Rewrite preparation
1
{
command code
2
{
data
3
{
data
* Rewrite
1
{
command code:CRAM
:OFRAM
2
{
first address
(1 0 0 0 1 0 0 0)
(D15
D8)
(D7
D0)
(1 0 1 0 0 1 0 0)
(1 0 0 1 0 1 0 0)
(A7
A0)
<Data Transfer Procedure>
<Data Transfer Procedure>
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK7714 | Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No |
| AK7714VT | Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK7712AVTP | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:BUILT-IN 20-BIT ADC/DAC SOPHISTICATED AUDIO DSP |
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| AK7714VT | 制造商:AKM 制造商全稱:AKM 功能描述:20-Bit Audio Codec with DSP and Delay RAM |
| AK7716VT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Consumer IC |
| AK7719 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power DSP for Voice and Audio Processing |
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