參數(shù)資料
型號: AT32UC3L064-ZAUR
廠商: Atmel
文件頁數(shù): 161/174頁
文件大?。?/td> 0K
描述: IC MCU AVR32 64K FLASH 48VQFN
產(chǎn)品培訓(xùn)模塊: AVR® UC3 Introduction
標(biāo)準(zhǔn)包裝: 1
系列: AVR®32 UC3 L
核心處理器: AVR
芯體尺寸: 32-位
速度: 50MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 36
程序存儲(chǔ)器容量: 64KB(64K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 9x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-VFQFN 裸露焊盤
包裝: 剪切帶 (CT)
其它名稱: AT32UC3L064-ZAURCT
87
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.
Lock Error:
– 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
enabled.
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
memory
7None
0
6
0-1
512 byte
50-3
1Kbyte
40-7
2Kbyte
3
0-15
4Kbyte
2
0-31
8Kbyte
10-63
16Kbyte
0
0-127
32Kbyte
Table 8-5.
Secure State Configuration
SECURE
Functionality
SSE
SSDE
00
Secure state disabled
0
01
Secure enabled, secure state debug enabled
1
10
Secure enabled, secure state debug disabled
1
0
11
Secure state disabled
0
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