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M34E04B bảng dữ liệu(PDF) 18 Page - STMicroelectronics

tên linh kiện M34E04B
Giải thích chi tiết về linh kiện  4-Kbit Serial Presence Detect EEPROM compatible
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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M34E04B bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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Device operation
M34E04B
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DocID028428 Rev 1
3.8.2
Read the protection status (RPSn)
The serial bus master issues an RPSn command specifying which block to report upon. If
the software write protection has not been set, the device replies to the data byte with an
Ack. If it has been set, the device replies to the data byte with a NoAck.
The DTIC of the RPSn instruction is defined in Table 2.
3.8.3
Set the page address (SPAn)
The SPAn command selects the lower 256 bytes (SPA0) or upper 256 bytes (SPA1). After a
cold or warm power-on reset, the page address is always 0, selecting the lower 256 bytes.
The DTIC of the SPAn instruction is defined in Table 2.
3.8.4
Read the page address (RPA)
The RPA command determines if the currently selected page is 0 (device returns Ack) or 1
(device returns NoAck).
The DTIC of the RPA instruction is defined in Table 2.



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