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型號(hào)：	MQ80C52CXXX-25P883R
廠商：	TEMIC SEMICONDUCTORS
元件分類：	微控制器/微處理器
英文描述：	8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
文件頁(yè)數(shù)：	836/849頁(yè)
文件大?。?/td>	12530K
代理商：	MQ80C52CXXX-25P883R

32099I–01/2012

AT32UC3L016/32/64

The SECURE fuses have the following functionality:

To erase or write a general-purpose fuse bit, the commands Write General-Purpose Fuse Bit

(WGPB) and Erase General-Purpose Fuse Bit (EGPB) are provided. Writing one of these com-

mands, together with the number of the fuse to write/erase, performs the desired operation.

An entire General-Purpose Fuse byte can be written at a time by using the Program GP Fuse

Byte (PGPFB) instruction. A PGPFB to GP fuse byte 2 is not allowed if the flash is locked by the

security bit. The PFB command is issued with a parameter in the PAGEN field:

PAGEN[2:0] - byte to write

PAGEN[10:3] - Fuse value to write

All general-purpose fuses can be erased by the Erase All General-Purpose fuses (EAGP) com-

mand. An EAGP command is not allowed if the flash is locked by the security bit.

Two errors can be detected in the FSR register after issuing these commands:

Programming Error: A bad keyword and/or an invalid command have been written in the

FCMD register.

– A write or erase of the BOOTPROT or EPFL or UPROT fuse bits was attempted

while the flash is locked by the security bit.

– A write or erase of the SECURE fuse bits was attempted when SECURE mode was

The lock bits are implemented using the lowest 16 general-purpose fuse bits. This means that

the 16 lowest general-purpose fuse bits can also be written/erased using the commands for

locking/unlocking regions, see Section 8.5.3.

Table 8-4.

Boot Loader Area Specified by BOOTPROT

BOOTPROT

Pages protected by

BOOTPROT

Size of protected

Table 8-5.

Secure State Configuration

Functionality

Secure state disabled

Secure enabled, secure state debug enabled

Secure enabled, secure state debug disabled

Secure state disabled

相關(guān)PDF資料	PDF描述
MQ80C52CXXX-25P883R	8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
MQ80C154-16P883D	8-BIT, 16 MHz, MICROCONTROLLER, CQFP44
R83C154DXXX-20D	8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
R80C52EXXX-16D	8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44
IF8680A	8-BIT, 8 MHz, MICROCONTROLLER, PQFP160

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
MQ82370-20	制造商:Rochester Electronics LLC 功能描述:- Bulk
MQ8238020	制造商:Intel 功能描述:CONTROLLER: OTHER
MQ82380-20	制造商:Rochester Electronics LLC 功能描述:- Bulk
MQ82380-20/R	制造商:Rochester Electronics LLC 功能描述:
MQ82592	制造商:Rochester Electronics LLC 功能描述:- Bulk

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