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| 型号： | TMDXCNCD28069ISO |
| 厂商： | Texas Instruments |
| 文件页数： | 104/174页 |
| 文件大小： | 0K |
| 描述： | EVAL PICCOLO CONTROLCARD |
| 标准包装： | 1 |
| 系列： | TMS320F2806x, Piccolo™, C2000™ |
| 主要目的： | 接口，RS232，GPIO |
| 嵌入式： | 是，MCU，32 位 |
| 已用 IC / 零件： | TMS320F2806x |
| 已供物品： | 板 |
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SPRS698D – NOVEMBER 2010 – REVISED DECEMBER 2012
The solution is to use the Wait boot option. This will sit in a loop around a software breakpoint to allow an
emulator to be connected without tripping security. Piccolo devices do not support a hardware wait-in-
reset mode.
NOTE
When the code-security passwords are programmed, all addresses between 0x3F 7F80
and 0x3F 7FF5 cannot be used as program code or data. These locations must be
programmed to 0x0000.
If the code security feature is not used, addresses 0x3F 7F80 through 0x3F 7FEF may
be used for code or data. Addresses 0x3F 7FF0 – 0x3F 7FF5 are reserved for data and
should not contain program code.
The 128-bit password (at 0x3F 7FF8 – 0x3F 7FFF) must not be programmed to zeros. Doing
so would permanently lock the device.
Disclaimer
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.
2.5.12 Peripheral Interrupt Expansion (PIE) Block
The PIE block serves to multiplex numerous interrupt sources into a smaller set of interrupt inputs. The
PIE block can support up to 96 peripheral interrupts. On the F2806x, 72 of the possible 96 interrupts are
used by peripherals. The 96 interrupts are grouped into blocks of 8 and each group is fed into 1 of
12 CPU interrupt lines (INT1 to INT12). Each of the 96 interrupts is supported by its own vector stored in a
dedicated RAM block that can be overwritten by the user. The vector is automatically fetched by the CPU
on servicing the interrupt. Eight CPU clock cycles are needed to fetch the vector and save critical CPU
registers. Hence the CPU can quickly respond to interrupt events. Prioritization of interrupts is controlled in
hardware and software. Each individual interrupt can be enabled or disabled within the PIE block.
Copyright 2010–2012, Texas Instruments Incorporated
Device Overview
35
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