STM8L151K6U6 STM8AF6223IPCU

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STM8L151K6U6 STM8AF6223IPCU

名称深圳市斯瑞特科技有限公司【公司网站】
所在地中国广东深圳
联系人 朱小姐
价格 ￥6.3元/件 点此议价
采购量不限制
发布日期 2020-06-12 14:11 至长期有效

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STM8L151K6U6 STM8AF6223IPCU产品详情

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STM8AF6223IPCU:STM8AF6223IPCU
品牌:ST/意法半导体
封装形式:DIP
类型:数字集成电路
用途:军工
功能:单片机
导电类型:双极型
封装外形:金属壳圆形型
集成度:小规模(<50)
型号:STM8AF6223IPCU
批号:2017+

Flash program and data EEPROM memory

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Up to 128 Kbytes of high density Flash program single voltage Flash memory

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Up to 2K bytes true data EEPROM

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Read while write: Writing in data memory *sible while executing code in program

memory.

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User option byte area

Write protection (WP)

Write protection of Flash program memory and data EEPROM is provided to *oid

unintentional overwriting of memory that could result from a user software malfunction.

There are two levels of write protection. The first level is known a*ASS (memory access

security system). MASS is always enabled and protects the main Flash program memory,

data EEPROM and option bytes.

To perform in-application programming (IAP), this write protection can be removed by writing

a MASS key sequence in a co*ol register. This allows the applicatio*write to data

EEPROM, modify the contents of main program memory or the device option bytes.

A second level of write protection, can be enabled to further protect a specific area of

memory known as UBC (user boot code). Refer to Figure 2.

The size of the UBC is programmable through the UBC option byte (Table 13.), in

increments of 1 page (512 bytes) by programming the UBC option byte in ICP mode.

This divides the program memory i* two areas:

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Main program memory: Up to 128 Kbyte*inus UBC

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User-specific boot code (UBC): Configurable up to 128 Kbytes

The UBC area remains write-protected during in-application programming. Thi*eans that

the MASS keys do not unlock the UBC area. It protects the memory used to store the boot

program, specific code libraries, reset and interrupt vectors, the reset routine and usually the

IAP and communication routines

以上内容为STM8L151K6U6 STM8AF6223IPCU，本产品由深圳市斯瑞特科技有限公司直销供应。

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