X25040 Datasheet, PDF (7/14 Pages) Xicor Inc. – SPI Serial E2PROM with Block LockTM Protection

X25040
Figure 5. Page Write Operation Sequence
CS
SCK
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
BYTE ADDRESS
DATA BYTE 1
SI
8
7654321076543210
9TH BIT OF ADDRESS
CS
SCK
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
DATA BYTE 2
DATA BYTE 3
DATA BYTE 4
SI
765432107654321076543210
6451 FHD F07
Figure 6. Write Status Register Operation Sequence
CS
SCK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
INSTRUCTION
DATA BYTE
SI
76543210
HIGH IMPEDANCE
SO
6451 ILL F08
7