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參數(shù)資料
| 型號： | AK7714 |
| 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： | 20位音頻編解碼器與DSP和內(nèi)存延遲 |
| 文件頁數(shù)： | 38/48頁 |
| 文件大?。?/td> | 516K |
| 代理商： | AK7714 |
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[ASAHI KASEI]
[AK7714]
M0018-E-00
‘98/07
- 38 -
3) Write during RUN phase
a) CRAM/OFRAM rewrite preparation and write (during RUN phase)
This function is used to rewrite CRAM (coefficient RAM) and OFRAM (offset RAM) during program execution. After
inputting the command code, you can input a maximum of 16 data of the continuous addresses you want to rewrite.
Then input the write command code and rewrite the leading address. Every time the RAM address to be rewritten is
specified, the contents of RAM are rewritten. The following is an example to show how five data from address "10" of
the coefficient RAM are rewritten:
Coefficient RAM execution address 7 8 9 10 11 13 16 11 12 13 14 15
↓ ↓
Rewrite position
{ {
↑
↓
{ { {
↓
↓
Note that address "13" is not executed until address "12" is rewritten.
Data transfer procedure
*Preparation for rewrite
1
{
Command code
2
{
Data
3
{
Data
*Rewrite
1) CRAM
1
{
Command code
2
{
Address upper
3
{
Address lower
2) OFRAM
1
{
Command code
2
{
Address upper
3
{
Address lower
(10001000)
(D15 .....D8)
(D7......D0)
(10100100)
(0000000A8)
(A7000...A0)
(10010100)
(00000000)
(000A4...A0)
Note: CRAM ranges from A8 to A0.
OFRAM ranges from A4 to A0.
CRAM and OFRAM rewriting preparation and writing
Note: The RDY signal will go to high within the maximum of two LRCLKs if the RDYLG
width is programmed to ensure a new address to be rewritten within one sampling cycle.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| AK7730A | JT 23C 21#20 2#16 SKT GRND |
| AK8414 | AK8414 |
| AK8430 | JT 11C 11#16 SKT PLUG |
| AK8811 | NTSC/PAL Digital Video Encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AK7719B | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power DSP for Voice and Audio Processing |
| AK7719BECB | 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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