參數(shù)資料
型號(hào): SAX-XC878-13FFI3V3
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封裝: PLASTIC, TQFP-64
文件頁數(shù): 74/141頁
文件大?。?/td> 2385K
代理商: SAX-XC878-13FFI3V3
XC878CLM
Functional Description
Data Sheet
31
V1.1, 2009-08
3.2.3.1
Password Register
PASSWD
Password Register
Reset Value: 07H
76543210
PASS
PROTECT
_S
MODE
wrh
rw
Field
Bits
Type Description
MODE
[1:0]
rw
Bit Protection Scheme Control Bits
00
Scheme disabled - direct access to the
protected bits is allowed.
11
Scheme enabled - the bit field PASS has to be
written with the passwords to open and close
the access to protected bits. (default)
Others:Scheme Enabled.
These two bits cannot be written directly. To change
the value between 11B and 00B, the bit field PASS
must be written with 11000B; only then, will the
MODE[1:0] be registered.
PROTECT_S
2rh
Bit Protection Signal Status Bit
This bit shows the status of the protection.
0
Software is able to write to all protected bits.
1
Software is unable to write to any protected
bits.
PASS
[7:3]
w
Password Bits
The Bit Protection Scheme only recognizes three
patterns.
11000B Enables writing of the bit field MODE.
10011B Opens access to writing of all protected bits.
10101B Closes access to writing of all protected bits
相關(guān)PDF資料
PDF描述
SAX-XC878-13FFI5V 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
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