Datasheet 搜索 > 微控制器 > ST Microelectronics（意法半导体） > STM8S207C6T3 数据手册 > STM8S207C6T3 用户编程技术手册 5/27 页
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STM8S207C6T3 用户编程技术手册 - ST Microelectronics（意法半导体）
制造商:
ST Microelectronics（意法半导体）
分类:
微控制器
封装:
LQFP-48
描述:
STMICROELECTRONICS STM8S207C6T3 微控制器, 8位, 高性能线路, STM8S, 24 MHz, 32 KB, 6 KB, 48 引脚, LQFP
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STM8S207C6T3数据手册
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PM0051 Glossary
Doc ID 14614 Rev 3 5/27
● Page
A page is a set of blocks. The number of blocks in a page may differ from one device to
another. Refer to Section 2: Memory organization for details on page size according to
the device.
A dedicated option byte can be used to configure by increments of one page the size of
the user boot code. Refer to Section 5: Flash program memory and data EEPROM
comparison for a description of available areas and option bytes according to the
devices.
● Read-while-write (RWW)
The RWW feature provides the ability for the software to perform write operation on
data EEPROM while reading and executing the program memory. Execution time is
therefore optimized. The opposite operation is not allowed: the software cannot read
data memory while writing program memory.
The RWW feature is not available on all STM8 devices. Refer to Table 9 for information
on devices with RWW capability.
● Single wire interface module (SWIM)
The SWIM is a communication protocol managed by hardware in the STM8
microcontrollers. The SWIM main purpose is to provide non intrusive debug capability.
It can also be used to download programs into RAM and execute them. It can also write
(registers or RAM) or read any part of the memory space and jump to any memory
address. The SWIM protocol is used for ICP. It is accessed by providing a specific
sequence on the SWIM pin either during the reset phase or when the device is running
(if allowed by the application).
● System memory
The STM8 system memory is a small ROM accessible when the user software is
executed. It contains the bootloader. The system ROM and the bootloader are not
available on all STM8 devices.
● User boot code area (UBC)
The user boot code area is a write-protected area which contains reset vector, interrupt
vectors, and IAP routine for the device to be able to recover from interrupted or
erroneous IAP programming.
● User mode
The user mode is the standard user software running mode in the STM8. It is entered
either by performing a power-on-reset on the device or by issuing the SWIM SRST
command from a development tool.
● Word
A word is a set of 4 bytes and corresponds to the memory granularity.
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