25LC010A データシートの表示（PDF） - Microchip Technology
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25LC010A Datasheet PDF : 24 Pages
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25LCXXXA
FIGURE 3-2:
BYTE WRITE SEQUENCE
CS
SCK
SI
SO
Twc
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Instruction+Address MSb
Lower Address Byte
Data Byte
0 0 0 0 A8 0 1 0 A7 A6 A5 A4 A3 A2 A1 A0 7 6 5 4 3 2 1 0
High-impedance
For the 24LC010A device both A8 and A7 are don’t cares.
For the 24LC020A device A8 is a don’t care.
FIGURE 3-3:
PAGE WRITE SEQUENCE
CS
SCK
SI
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Instruction+Address MSb
Lower Address Byte
Data Byte 1
0 0 0 0 A8 0 1 0 A7 A6 A5 A4 A3 A2 A1 A0 7 6 5 4 3 2 1 0
CS
SCK
SI
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
Data Byte 2
Data Byte 3
7654321076543210
Data Byte n (16 max.)
76543210
For the 24LC010A device both A8 and A7 are don’t cares.
For the 24LC020A device A8 is a don’t care.
DS22136B-page 10
Preliminary
© 2009 Microchip Technology Inc.
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