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參數(shù)資料
| 型號： | SM320F2812HFGM |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-BIT, 150 MHz, OTHER DSP, CQFP172 |
| 封裝： | NCTB, CERAMIC, QFP-172 |
| 文件頁數(shù)： | 72/147頁 |
| 文件大?。?/td> | 1721K |
| 代理商： | SM320F2812HFGM |
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Functional Overview
30
December 2004
SGUS053
MODE
GPIO34
GPIO29
SCITXA
GPIO18
SPICLKA
SCITXB
DESCRIPTION
eCANA Boot
Call CAN_Boot to load from eCANA mailbox 1.
0
1
Boot to M0 SARAM
Jump to M0 SARAM address 0x00 0000.
0
1
0
Boot to OTP
Jump to OTP address 0x3D 7800.
0
1
Parallel I/O Boot
Load data from GPIO0 - GPIO15.
0
3.2.9
Security
The F281x supports high levels of security to protect the user firmware from being reversed engineered. The
security features a 128-bit password (hardcoded for 16 wait states), which the user programs into the flash.
One code security module (CSM) is used to protect the flash/ROM/OTP and the L0/L1 SARAM blocks. The
security feature prevents unauthorized users from examining the memory contents via the JTAG port,
executing code from external memory or trying to boot-load some undesirable software that would export the
secure memory contents. To enable access to the secure blocks, the user must write the correct 128-bit ”KEY”
value, which matches the value stored in the password locations within the Flash/ROM.
NOTE:
For code security operation, all addresses between 0x3F7F80 and 0x3F7FF5 cannot be used
as program code or data, but must be programmed to 0x0000 when the Code Security
Passwords are programmed. If security is not a concern, then these addresses may be used
for code or data.
The 128-bit password (at 0x3F 7FF8 0x3F 7FFF) must not be programmed to zeros. Doing
so would permanently lock the device.
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM320F2812HFGM150 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Military DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 安裝風格:SMD/SMT |
| SM320F2812HFGS150 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC HT Dig Signal Controller RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 安裝風格:SMD/SMT |
| SM320F2812-HT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Digital Signal Processor |
| SM320F2812KGDS150A | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC HT Dig Signal Controller RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 安裝風格:SMD/SMT |
| SM320F2812PGFMEP | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC EP Digital Signal Proc RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(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 安裝風格:SMD/SMT |
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