参数资料
型号: ST7PLUSA2M6TR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 29/136页
文件大小: 1705K
代理商: ST7PLUSA2M6TR
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
Device configuration and ordering information
ST7LITEUS2, ST7LITEUS5
124/136
14.1.2
OPTION BYTE 0
Table 75.
Startup clock selection
Configuration
CKSEL1
CKSEL0
Internal RC as Startup Clock
0
Reserved
0
AWU RC as a Startup Clock
0
1
Reserved
1
0
External Clock on pin PA5
1
Table 76.
LVD threshold configuration
Configuration
LVD1
LVD0
LVD Off
11
Highest voltage threshold
1
0
Medium voltage threshold
0
1
Lowest voltage threshold
0
Bits 7:4 Reserved, must always be 1.
Bit 3 Reserved, must always be 0.
Bit 2 SEC0 Sector 0 size definition
This option bit indicates the size of sector 0 according to the following table (see
Bit 1 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
Bit 0 FMP_W FLASH write protection
This option indicates if the FLASH program memory is write protected.
Warning: When this option is selected, the program memory (and the option bit
itself) can never be erased or programmed again.
0: Write protection off
1: Write protection on
Table 77.
Definition of sector 0 size
Sector 0 Size
SEC0
0.5k
0
1k
1
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