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參數(shù)資料
| 型號(hào)： | MC56F8013VFAER2 |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 111/126頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DIGITAL SIGNAL CTLR 32-LQFP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | 56F8xxx |
| 核心處理器： | 56800E |
| 芯體尺寸： | 16-位 |
| 速度： | 32MHz |
| 連通性： | I²C，SCI，SPI |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 26 |
| 程序存儲(chǔ)器容量： | 16KB（8K x 16） |
| 程序存儲(chǔ)器類(lèi)型： | 閃存 |
| RAM 容量： | 2K x 16 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 6x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 105°C |
| 封裝/外殼： | 32-LQFP |
| 包裝： | 帶卷 (TR) |
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Flash Access Lock and Unlock Mechanisms
56F8013/56F8011 Data Sheet, Rev. 12
Freescale Semiconductor
85
memory chapter in MC56F8000RM, the 56F8000 Peripheral Reference Manual for details. When flash
security mode is enabled, the 56F8013/56F8011 will disable the core EOnCE debug capabilities. Normal
program execution is otherwise unaffected.
7.2 Flash Access Lock and Unlock Mechanisms
There are several methods that effectively lock or unlock the on-chip flash.
7.2.1
Disabling EOnCE Access
On-chip flash can be read by issuing commands across the EOnCE port, which is the debug interface for
the 56800E CPU. The TCK, TMS, TDO, and TDI pins comprise a JTAG interface onto which the EOnCE
port functionality is mapped. When the device boots, the chip-level JTAG TAP (Test Access Port) is active
and provides the chip’s boundary scan capability and access to the ID register, but proper implementation
of flash security will block any attempt to access the internal flash memory via the EOnCE port when
security is enabled.
7.2.2
Flash Lockout Recovery Using JTAG
If the device is secured, one lockout recovery mechanism is the complete erasure of the internal flash
contents, including the configuration field, thus disabling security (the protection register is cleared). This
does not compromise security, as the entire contents of the user’s secured code stored in flash are erased
before security is disabled on the device on the next reset or power-up sequence.
To
start
the
lockout
recovery
sequence
via
JTAG,
the
JTAG
public
instruction
(LOCKOUT_RECOVERY) must first be shifted into the chip-level TAP controller’s instruction register.
Once the LOCKOUT_RECOVERY instruction has been shifted into the instruction register, the clock
divider value must be shifted into the corresponding 7-bit data register. After the data register has been
updated, the user must transition the TAP controller into the RUN-TEST/IDLE state for the lockout
sequence to commence. The controller must remain in this state until the erase sequence has completed.
Refer to MC56F8000RM, the 56F8000 Peripheral Reference Manual, for more details, or contact
Freescale.
Note:
Once the lockout recovery sequence has completed, the user must reset both the JTAG TAP controller
and the device to return to normal unsecured operation. Power-on reset will also reset both.
7.2.3
Flash Lockout Recovery Using CodeWarrior
CodeWarrior can unlock a device by selecting the Debug menu, then selecting DSP56800E, followed by
Unlock Flash. Another mechanism is also built into CodeWarrior using the device’s memory configuration
file. The command Unlock_Flash_on_Connect1 in the .cfg file accomplishes the same task as using the
Debug menu.
This lockout recovery mechanism also includes the complete erasure of the internal flash contents,
including the configuration field, thus disabling security (the protection register is cleared).
相關(guān)PDF資料 |
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| MC56F8013MFAE | IC DIGITAL SIGNAL CTLR 32-LQFP |
| VI-B7M-IY-F4 | CONVERTER MOD DC/DC 10V 50W |
| VI-BVT-IY-F4 | CONVERTER MOD DC/DC 6.5V 50W |
| VE-B6D-IY-B1 | CONVERTER MOD DC/DC 85V 50W |
| VI-BVT-IY-F2 | CONVERTER MOD DC/DC 6.5V 50W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC56F8014 | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8014E | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
| MC56F8014MFAE | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16Bit DSPHC 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 |
| MC56F8014VFAE | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16 BIT DSPHC BAHAMAS 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 |
| MC56F8023 | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers |
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