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參數(shù)資料
| 型號(hào)： | TMS320C209-57 |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Digital Signal Processor |
| 中文描述： | 數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 46/132頁(yè) |
| 文件大小： | 1707K |
| 代理商： | TMS320C209-57 |
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SPRS145G
–
JULY 2000
–
REVISED FEBRUARY 2002
46
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
–
1443
flash/ROM security
240xA devices incorporate a security feature that prevents external access to program memory. This feature
is useful in preventing unauthorized duplication of proprietary code.
If access to Flash/ROM contents are desired for debugging purposes, two actions need to be taken:
1.
A
“
dummy
”
read of locations 40h, 41h, 42h and 43h (of program memory space) is necessary. The word
“
dummy
”
indicates that the destination address of this read is insignificant.
NOTE: Step 2 is not required if 40h
–
43h contain 0000 0000 0000 0000h or FFFF FFFF FFFF FFFFh.
2.
A 64-bit password (split as four 16-bit words) must be written to the data-memory locations 77F0h, 77F1h,
77F2h, and 77F3h. The four 16-bit words written to these locations must match the four words stored in 40h,
41h, 42h, and 43h (of program memory space), respectively. The device becomes
“
unsecured
”
one cycle
after the last instruction that unsecures the part.
Code Security Module Disclaimer
The Code Security Module (
“
CSM
”
) included on this device was designed to password
protect the data stored in the associated memory (either ROM or Flash) and is warranted
by Texas Instruments (TI), in accordance with its standard terms and conditions, to
conform to TI
’
s published specifications for the warranty period applicable for this device.
TI DOES NOT, HOWEVER, WARRANT OR REPRESENT THAT THE CSM CANNOT BE
COMPROMISED OR BREACHED OR THAT THE DATA STORED IN THE
ASSOCIATED MEMORY CANNOT BE ACCESSED THROUGH OTHER MEANS.
MOREOVER, EXCEPT AS SET FORTH ABOVE, TI MAKES NO WARRANTIES OR
REPRESENTATIONS CONCERNING THE CSM OR OPERATION OF THIS DEVICE,
INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE.
IN NO EVENT SHALL TI BE LIABLE FOR ANY CONSEQUENTIAL, SPECIAL,
INDIRECT, INCIDENTAL, OR PUNITIVE DAMAGES, HOWEVER CAUSED, ARISING
IN ANY WAY OUT OF YOUR USE OF THE CSM OR THIS DEVICE, WHETHER OR NOT
TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED
DAMAGES INCLUDE, BUT ARE NOT LIMITED TO LOSS OF DATA, LOSS OF
GOODWILL, LOSS OF USE OR INTERRUPTION OF BUSINESS OR OTHER
ECONOMIC LOSS.
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PDF描述 |
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| TMS320C209PN40 | 16-Bit Digital Signal Processor |
| TMS320C209PN57 | 16-Bit Digital Signal Processor |
| TMS320C209PNA57 | 16-Bit Digital Signal Processor |
| TMS320C31-40 | Digital Signal Processor |
| TMS320C31-50 | Digital Signal Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320C209PN40 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Digital Signal Processor |
| TMS320C209PN57 | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 320C17 ALCATEL RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320C209PNA57 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Digital Signal Processor |
| TMS320C240 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DSP CONTROLLERS |
| TMS320C240PQ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DSP CONTROLLERS |
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