参数资料
型号: uPSD3212
厂商: 意法半导体
英文描述: Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可编程系统器件)
中文描述: 闪存可编程系统器件与8032微控制器内核(嵌入高速“8032微控制器核”的闪存型可编程系统器件)
文件页数: 94/155页
文件大小: 1055K
代理商: UPSD3212
μPSD321X
94/155
Any attempt to program or erase a protected Flash
memory sector is ignored by the device. The Verify
operation results in a READ of the protected data.
This allows a guarantee of the retention of the Pro-
tection status.
The sector protection status can be read by the
MCU through the Flash memory protection regis-
ters (in the CSIOP block). See Table 64 and Table
65.
Table 64. Sector Protection/Security Bit Definition – Flash Protection Register
Note: 1. Bit Definitions:
Sec<i>_Prot
1 = Primary Flash memory or secondary Flash memory Sector <i> is write-protected.
Sec<i>_Prot
0 = Primary Flash memory or secondary Flash memory Sector <i> is not write-protected.
Table 65. Sector Protection/Security Bit Definition – Secondary Flash Protection Register
Note: 1. Bit Definitions:
Sec<i>_Prot
1 = Secondary Flash memory Sector <i> is write-protected.
Sec<i>_Prot
0 = Secondary Flash memory Sector <i> is not write-protected.
Security_Bit
0 = Security Bit in device has not been set.
1 = Security Bit in device has been set.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
not used
not used
not used
not used
Sec3_Prot
Sec2_Prot
Sec1_Prot
Sec0_Prot
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Security_Bit
not used
not used
not used
not used
not used
Sec1_Prot
Sec0_Prot
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