參數(shù)資料
型號(hào): ST7PLU09MAE
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封裝: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件頁數(shù): 19/124頁
文件大?。?/td> 1995K
代理商: ST7PLU09MAE
ST7LUS5, ST7LU05, ST7LU09
Device configuration and ordering information
Option byte 1
OPT1
FMP_R
Readout protection
Readout protection, when selected provides a protection against program
memory content extraction and against write access to Flash memory.
Erasing the option bytes when the FMP_R option is selected will cause the
whole memory to be erased first, and the device can be reprogrammed.
Refer to Section 4.5 and the ST7 Flash Programming Reference Manual
for more details.
0: Readout protection off
1: Readout protection on
OPT0
FMP_W
Flash write protection
This option indicates if the Flash program memory is write protected.
0: Write protection off
1: Write protection on
Warning: When this option is selected, the program memory (and the
option bit itself) can never be erased or programmed again.
Table 89.
Option byte 1 bit description
Bit
Name
Function
OPT7:6 CKSEL[1:0]
Start-up clock selection.
These option bits are used to select the startup frequency. By default, the
internal RC is selected.
00: Internal RC as startup clock
01: AWU RC as a startup clock
10: Reserved
11: External clock on pin PA5
OPT5
-
Reserved, must always be 1
OPT4
-
Reserved, must always be 0
OPT3:2
LVD[1:0]
Low Voltage Detection selection
These option bits enable the LVD block with a selected threshold as
follows:
10: Highest voltage threshold
11: LVD off
OPT1
WDG SW
Hardware or software watchdog
This option bit selects the watchdog type.
0: Hardware (watchdog always enabled)
1: Software (watchdog to be enabled by software)
OPT0
WDG HALT
Watchdog Reset on Halt
This option bit determines if a RESET is generated when entering Halt
mode while the Watchdog is active.
0: No Reset generation when entering Halt mode
1: Reset generation when entering Halt mode
Table 88.
Option byte 0 bit description (continued)
Bit
Name
Function
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