参数资料
型号: SAL-XC886CLM-8FFA5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP48
封装: GREEN, PLASTIC, TQFP-48
文件页数: 63/134页
文件大小: 864K
代理商: SAL-XC886CLM-8FFA5V
SAL-XC886CLM
Functional Description
Data Sheet
27
V1.0, 2010-05
3.2.3.1
Password Register
PASSWD
Password Register
Reset Value: 07
H
76543210
PASS
PROTECT
_S
MODE
wh
rh
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 11
B and 00B, the bit field PASS
must be written with 11000
B; 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]
wh
Password Bits
The Bit Protection Scheme only recognizes three
patterns.
11000
B Enables writing of the bit field MODE.
10011
B Opens access to writing of all protected bits.
10101
B Closes access to writing of all protected bits
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