參數(shù)資料
型號: ST52513F3
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PDSO20
封裝: ROHS COMPLIANT, SOP-20
文件頁數(shù): 73/136頁
文件大?。?/td> 2791K
代理商: ST52513F3
4.8.4 Option Bytes.
First Protected Page (PG_LOCK)
Option Byte 5 (05h)
Bit 7-0: LCK7-0 First Page write protected
In this register the address of first page to be
protected in writing is specified. The pages
following this one are protected up to the page
specified by the PG_UNLOCK Option Byte (not
included among the protected ones).
First Page not Protected (PG_UNLOCK)
Option Byte 6 (06h)
Bit 7-0: UNLCK7-0 First Page not write protected
In this register the address of first page not write
protected after the protected ones is specified. The
pages following this one aren’t protected.
4.8.5 Input Register.
IAP Status Register (IAP_SR)
Input Register 40 (028h) Read only
Reset Value: 0000 0000 (00h)
Bit 7-2: Not Used
Bit 1: PRTCD Page Protected
0: The writing has been completed
1: The writing has been aborted because the
page is protected.
Bit 0: ABRT Writing operation aborted
0: The writing has been completed
1: The writing has been aborted because an
interrupt or another unspecified cause
occurred.
The ABRT and PRTCD bits are reset after the next
successful data writing in the Flash of EEPROM
memory.
70
LCK7
LCK6
LCK5
LCK4
LCK3
LCK2
LCK1
LCK0
70
UNLCK7 UNLCK6 UNLCK5 UNLCK4 UNLCK3 UNLCK2 UNLCK1 UNLCK0
70
-
---
--
PRTCD
ABRT
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