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PSD813F1AV-12MIT bảng dữ liệu(PDF) 25 Page - STMicroelectronics

tên linh kiện PSD813F1AV-12MIT
Giải thích chi tiết về linh kiện  Flash In-System Programmable (ISP) Peripherals for 8-bit MCUs, 3.3V
PDF  110 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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PSD813F1AV-12MIT bảng dữ liệu(HTML) 25 Page - STMicroelectronics

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PSD813F1V
Writing the OTP Row
Writing to the OTP row (64 bytes) can only be
done once per byte, and is enabled by an instruc-
tion. This instruction is composed of three specific
WRITE operations of data bytes at three specific
memory locations followed by the data to be
stored in the OTP row (refer to Table 8., page 20).
During the WRITE operations, address bit A6 must
be zero, while address bits A5-A0 define the OTP
Row byte to be written while any EEPROM Sector
Select signal (EESi) is active. Writing the OTP
Row is allowed only when SDP mode is not en-
abled.
Figure 7. EEPROM SDP Enable Flowcharts
WRITE AAh to
Address 555h
WRITE 55h to
Address AAAh
WRITE A0h to
Address 555h
SDP is set
Page Write
Instruction
SDP ENABLE ALGORITHM
WRITE AAh to
Address 555h
WRITE 55h to
Address AAAh
WRITE A0h to
Address 555h
Page Write
Instruction
SDP
Set
SDP
not Set
WRITE
is enabled
WRITE Data to
be Written in
any Address
Write
in Memory
Write Data
+
SDP Set
after tWC
(Write Cycle Time)
ai09219



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