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25LC512-E/MF 데이터시트(PDF) 7 Page - Microchip Technology

부품명 25LC512-E/MF
상세설명  512 Kbit SPI Bus Serial EEPROM
PDF  36 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

25LC512-E/MF 데이터시트(HTML) 7 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22065C-page 7
25LC512
Read Sequence
The device is selected by pulling CS low. The 8-bit
READ instruction is transmitted to the 25LC512 fol-
lowed by the 16-bit address. After the correct READ
instruction and address are sent, the data stored in the
memory at the selected address is shifted out on the
SO pin. The data stored in the memory at the next
address can be read sequentially by continuing to
provide clock pulses. The internal Address Pointer is
automatically incremented to the next higher address
after each byte of data is shifted out. When the highest
address is reached (FFFFh), the address counter rolls
over to address 0000h allowing the read cycle to be
continued indefinitely. The READ instruction is
terminated by raising the CS pin (Figure 2-1).
FIGURE 2-1:
READ SEQUENCE
SO
SI
SCK
CS
0
23456789 10 11
21 22 23 24 25 26 27 28 29 30 31
1
01
0
0
0
0
01
15 14 13 12
210
765
43210
Instruction
16-bit Address
Data Out
High-Impedance



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