參數(shù)資料
型號： SAL-XC886C-8FFA5V
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP48
封裝： GREEN, PLASTIC, TQFP-48
文件頁數(shù)： 62/134頁
文件大小： 864K
代理商： SAL-XC886C-8FFA5V
SAL-XC886CLM
Functional Description
Data Sheet
26
V1.0, 2010-05
3.2.3
Bit Protection Scheme
The bit protection scheme prevents direct software writing of selected bits (i.e., protected
bits) using the PASSWD register. When the bit field MODE is 11
B, writing 10011B to the
bit field PASS opens access to writing of all protected bits, and writing 10101
B to the bit
field PASS closes access to writing of all protected bits. In both cases, the value of the
bit field MODE is not changed even if PASSWD register is written with 98
H or A8H. It can
only be changed when bit field PASS is written with 11000
B, for example, writing D0H to
PASSWD register disables the bit protection scheme.
Note that access is opened for maximum 32 CCLKs if the “close access” password is not
written. If “open access” password is written again before the end of 32 CCLK cycles,
there will be a recount of 32 CCLK cycles. The protected bits include the N- and K-
Divider bits, NDIV and KDIV; the Watchdog Timer enable bit, WDTEN; and the power-
down and slow-down enable bits, PD and SD.
OP
[7:6]
w
Operation
0X
Manual page mode. The value of STNR is
ignored and PAGE is directly written.
10
New page programming with automatic page
saving. The value written to the bit positions of
PAGE is stored. In parallel, the previous
contents of PAGE are saved in the storage bit
field STx indicated by STNR.
11
Automatic restore page action. The value
written to the bit positions PAGE is ignored
and instead, PAGE is overwritten by the
contents of the storage bit field STx indicated
by STNR.
0
3r
Reserved
Returns 0 if read; should be written with 0.
Field
Bits
Type Description
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相關代理商/技術參數(shù)
參數(shù)描述
SAL-XC886CLM 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit Single Chip Microcontroller
SAL-XC886CLM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
SAL-XC886CM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
SAL-XC886LM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
SAM 9 LL-SUB-12-1F 制造商:Timesys Corporation 功能描述:LINUXLINK PRO EDITION FOR ATMEL SAM9 - Virtual or Non-Physical Inventory (Software & Literature)
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